1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <cmath>
10
11 #include <cmath>
12 #include <limits>
13 #include <type_traits>
14 #include <cassert>
15
16 #include "test_macros.h"
17 #include "hexfloat.h"
18 #include "truncate_fp.h"
19
20 // convertible to int/float/double/etc
21 template <class T, int N=0>
22 struct Value {
operator TValue23 operator T () { return T(N); }
24 };
25
26 // See PR21083
27 // Ambiguous is a user-defined type that defines its own overloads of cmath
28 // functions. When the std overloads are candidates too (by using or adl),
29 // they should not interfere.
30 struct Ambiguous : std::true_type { // ADL
operator floatAmbiguous31 operator float () { return 0.f; }
operator doubleAmbiguous32 operator double () { return 0.; }
33 };
abs(Ambiguous)34 Ambiguous abs(Ambiguous){ return Ambiguous(); }
acos(Ambiguous)35 Ambiguous acos(Ambiguous){ return Ambiguous(); }
asin(Ambiguous)36 Ambiguous asin(Ambiguous){ return Ambiguous(); }
atan(Ambiguous)37 Ambiguous atan(Ambiguous){ return Ambiguous(); }
atan2(Ambiguous,Ambiguous)38 Ambiguous atan2(Ambiguous, Ambiguous){ return Ambiguous(); }
ceil(Ambiguous)39 Ambiguous ceil(Ambiguous){ return Ambiguous(); }
cos(Ambiguous)40 Ambiguous cos(Ambiguous){ return Ambiguous(); }
cosh(Ambiguous)41 Ambiguous cosh(Ambiguous){ return Ambiguous(); }
exp(Ambiguous)42 Ambiguous exp(Ambiguous){ return Ambiguous(); }
fabs(Ambiguous)43 Ambiguous fabs(Ambiguous){ return Ambiguous(); }
floor(Ambiguous)44 Ambiguous floor(Ambiguous){ return Ambiguous(); }
fmod(Ambiguous,Ambiguous)45 Ambiguous fmod(Ambiguous, Ambiguous){ return Ambiguous(); }
frexp(Ambiguous,int *)46 Ambiguous frexp(Ambiguous, int*){ return Ambiguous(); }
ldexp(Ambiguous,int)47 Ambiguous ldexp(Ambiguous, int){ return Ambiguous(); }
log(Ambiguous)48 Ambiguous log(Ambiguous){ return Ambiguous(); }
log10(Ambiguous)49 Ambiguous log10(Ambiguous){ return Ambiguous(); }
modf(Ambiguous,Ambiguous *)50 Ambiguous modf(Ambiguous, Ambiguous*){ return Ambiguous(); }
pow(Ambiguous,Ambiguous)51 Ambiguous pow(Ambiguous, Ambiguous){ return Ambiguous(); }
sin(Ambiguous)52 Ambiguous sin(Ambiguous){ return Ambiguous(); }
sinh(Ambiguous)53 Ambiguous sinh(Ambiguous){ return Ambiguous(); }
sqrt(Ambiguous)54 Ambiguous sqrt(Ambiguous){ return Ambiguous(); }
tan(Ambiguous)55 Ambiguous tan(Ambiguous){ return Ambiguous(); }
tanh(Ambiguous)56 Ambiguous tanh(Ambiguous){ return Ambiguous(); }
signbit(Ambiguous)57 Ambiguous signbit(Ambiguous){ return Ambiguous(); }
fpclassify(Ambiguous)58 Ambiguous fpclassify(Ambiguous){ return Ambiguous(); }
isfinite(Ambiguous)59 Ambiguous isfinite(Ambiguous){ return Ambiguous(); }
isnormal(Ambiguous)60 Ambiguous isnormal(Ambiguous){ return Ambiguous(); }
isgreater(Ambiguous,Ambiguous)61 Ambiguous isgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isgreaterequal(Ambiguous,Ambiguous)62 Ambiguous isgreaterequal(Ambiguous, Ambiguous){ return Ambiguous(); }
isless(Ambiguous,Ambiguous)63 Ambiguous isless(Ambiguous, Ambiguous){ return Ambiguous(); }
islessequal(Ambiguous,Ambiguous)64 Ambiguous islessequal(Ambiguous, Ambiguous){ return Ambiguous(); }
islessgreater(Ambiguous,Ambiguous)65 Ambiguous islessgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isunordered(Ambiguous,Ambiguous)66 Ambiguous isunordered(Ambiguous, Ambiguous){ return Ambiguous(); }
acosh(Ambiguous)67 Ambiguous acosh(Ambiguous){ return Ambiguous(); }
asinh(Ambiguous)68 Ambiguous asinh(Ambiguous){ return Ambiguous(); }
atanh(Ambiguous)69 Ambiguous atanh(Ambiguous){ return Ambiguous(); }
cbrt(Ambiguous)70 Ambiguous cbrt(Ambiguous){ return Ambiguous(); }
copysign(Ambiguous,Ambiguous)71 Ambiguous copysign(Ambiguous, Ambiguous){ return Ambiguous(); }
erf(Ambiguous)72 Ambiguous erf(Ambiguous){ return Ambiguous(); }
erfc(Ambiguous)73 Ambiguous erfc(Ambiguous){ return Ambiguous(); }
exp2(Ambiguous)74 Ambiguous exp2(Ambiguous){ return Ambiguous(); }
expm1(Ambiguous)75 Ambiguous expm1(Ambiguous){ return Ambiguous(); }
fdim(Ambiguous,Ambiguous)76 Ambiguous fdim(Ambiguous, Ambiguous){ return Ambiguous(); }
fma(Ambiguous,Ambiguous,Ambiguous)77 Ambiguous fma(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
fmax(Ambiguous,Ambiguous)78 Ambiguous fmax(Ambiguous, Ambiguous){ return Ambiguous(); }
fmin(Ambiguous,Ambiguous)79 Ambiguous fmin(Ambiguous, Ambiguous){ return Ambiguous(); }
hypot(Ambiguous,Ambiguous)80 Ambiguous hypot(Ambiguous, Ambiguous){ return Ambiguous(); }
hypot(Ambiguous,Ambiguous,Ambiguous)81 Ambiguous hypot(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
ilogb(Ambiguous)82 Ambiguous ilogb(Ambiguous){ return Ambiguous(); }
lerp(Ambiguous,Ambiguous,Ambiguous)83 Ambiguous lerp(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
lgamma(Ambiguous)84 Ambiguous lgamma(Ambiguous){ return Ambiguous(); }
llrint(Ambiguous)85 Ambiguous llrint(Ambiguous){ return Ambiguous(); }
llround(Ambiguous)86 Ambiguous llround(Ambiguous){ return Ambiguous(); }
log1p(Ambiguous)87 Ambiguous log1p(Ambiguous){ return Ambiguous(); }
log2(Ambiguous)88 Ambiguous log2(Ambiguous){ return Ambiguous(); }
logb(Ambiguous)89 Ambiguous logb(Ambiguous){ return Ambiguous(); }
lrint(Ambiguous)90 Ambiguous lrint(Ambiguous){ return Ambiguous(); }
lround(Ambiguous)91 Ambiguous lround(Ambiguous){ return Ambiguous(); }
nearbyint(Ambiguous)92 Ambiguous nearbyint(Ambiguous){ return Ambiguous(); }
nextafter(Ambiguous,Ambiguous)93 Ambiguous nextafter(Ambiguous, Ambiguous){ return Ambiguous(); }
nexttoward(Ambiguous,Ambiguous)94 Ambiguous nexttoward(Ambiguous, Ambiguous){ return Ambiguous(); }
remainder(Ambiguous,Ambiguous)95 Ambiguous remainder(Ambiguous, Ambiguous){ return Ambiguous(); }
remquo(Ambiguous,Ambiguous,int *)96 Ambiguous remquo(Ambiguous, Ambiguous, int*){ return Ambiguous(); }
rint(Ambiguous)97 Ambiguous rint(Ambiguous){ return Ambiguous(); }
round(Ambiguous)98 Ambiguous round(Ambiguous){ return Ambiguous(); }
scalbln(Ambiguous,Ambiguous)99 Ambiguous scalbln(Ambiguous, Ambiguous){ return Ambiguous(); }
scalbn(Ambiguous,Ambiguous)100 Ambiguous scalbn(Ambiguous, Ambiguous){ return Ambiguous(); }
tgamma(Ambiguous)101 Ambiguous tgamma(Ambiguous){ return Ambiguous(); }
trunc(Ambiguous)102 Ambiguous trunc(Ambiguous){ return Ambiguous(); }
103
104 template <class T, class = decltype(std::abs(std::declval<T>()))>
105 std::true_type has_abs_imp(int);
106 template <class T>
107 std::false_type has_abs_imp(...);
108
109 template <class T>
110 struct has_abs : decltype(has_abs_imp<T>(0)) {};
111
test_abs()112 void test_abs()
113 {
114 // See also "abs.pass.cpp"
115
116 TEST_DIAGNOSTIC_PUSH
117 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wabsolute-value")
118
119 static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
120 static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
121 static_assert((std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
122 static_assert((std::is_same<decltype(std::abs((int)0)), int>::value), "");
123 static_assert((std::is_same<decltype(std::abs((long)0)), long>::value), "");
124 static_assert((std::is_same<decltype(std::abs((long long)0)), long long>::value), "");
125 static_assert((std::is_same<decltype(std::abs((unsigned char)0)), int>::value), "");
126 static_assert((std::is_same<decltype(std::abs((unsigned short)0)), int>::value), "");
127 static_assert((std::is_same<decltype(std::abs((signed char)0)), int>::value), "");
128 static_assert((std::is_same<decltype(std::abs((short)0)), int>::value), "");
129 static_assert((std::is_same<decltype(std::abs((unsigned char)0)), int>::value), "");
130 static_assert((std::is_same<decltype(std::abs((char)0)), int>::value), "");
131 static_assert((std::is_same<decltype(abs(Ambiguous())), Ambiguous>::value), "");
132
133 static_assert(!has_abs<unsigned>::value, "");
134 static_assert(!has_abs<unsigned long>::value, "");
135 static_assert(!has_abs<unsigned long long>::value, "");
136 static_assert(!has_abs<size_t>::value, "");
137
138 TEST_DIAGNOSTIC_POP
139
140 assert(std::abs(-1.) == 1);
141 }
142
143
test_acos()144 void test_acos()
145 {
146 static_assert((std::is_same<decltype(std::acos((float)0)), float>::value), "");
147 static_assert((std::is_same<decltype(std::acos((bool)0)), double>::value), "");
148 static_assert((std::is_same<decltype(std::acos((unsigned short)0)), double>::value), "");
149 static_assert((std::is_same<decltype(std::acos((int)0)), double>::value), "");
150 static_assert((std::is_same<decltype(std::acos((unsigned int)0)), double>::value), "");
151 static_assert((std::is_same<decltype(std::acos((long)0)), double>::value), "");
152 static_assert((std::is_same<decltype(std::acos((unsigned long)0)), double>::value), "");
153 static_assert((std::is_same<decltype(std::acos((long long)0)), double>::value), "");
154 static_assert((std::is_same<decltype(std::acos((unsigned long long)0)), double>::value), "");
155 static_assert((std::is_same<decltype(std::acos((double)0)), double>::value), "");
156 static_assert((std::is_same<decltype(std::acos((long double)0)), long double>::value), "");
157 static_assert((std::is_same<decltype(std::acosf(0)), float>::value), "");
158 static_assert((std::is_same<decltype(std::acosl(0)), long double>::value), "");
159 static_assert((std::is_same<decltype(acos(Ambiguous())), Ambiguous>::value), "");
160 assert(std::acos(1) == 0);
161 }
162
test_asin()163 void test_asin()
164 {
165 static_assert((std::is_same<decltype(std::asin((float)0)), float>::value), "");
166 static_assert((std::is_same<decltype(std::asin((bool)0)), double>::value), "");
167 static_assert((std::is_same<decltype(std::asin((unsigned short)0)), double>::value), "");
168 static_assert((std::is_same<decltype(std::asin((int)0)), double>::value), "");
169 static_assert((std::is_same<decltype(std::asin((unsigned int)0)), double>::value), "");
170 static_assert((std::is_same<decltype(std::asin((long)0)), double>::value), "");
171 static_assert((std::is_same<decltype(std::asin((unsigned long)0)), double>::value), "");
172 static_assert((std::is_same<decltype(std::asin((long long)0)), double>::value), "");
173 static_assert((std::is_same<decltype(std::asin((unsigned long long)0)), double>::value), "");
174 static_assert((std::is_same<decltype(std::asin((double)0)), double>::value), "");
175 static_assert((std::is_same<decltype(std::asin((long double)0)), long double>::value), "");
176 static_assert((std::is_same<decltype(std::asinf(0)), float>::value), "");
177 static_assert((std::is_same<decltype(std::asinl(0)), long double>::value), "");
178 static_assert((std::is_same<decltype(asin(Ambiguous())), Ambiguous>::value), "");
179 assert(std::asin(0) == 0);
180 }
181
test_atan()182 void test_atan()
183 {
184 static_assert((std::is_same<decltype(std::atan((float)0)), float>::value), "");
185 static_assert((std::is_same<decltype(std::atan((bool)0)), double>::value), "");
186 static_assert((std::is_same<decltype(std::atan((unsigned short)0)), double>::value), "");
187 static_assert((std::is_same<decltype(std::atan((int)0)), double>::value), "");
188 static_assert((std::is_same<decltype(std::atan((unsigned int)0)), double>::value), "");
189 static_assert((std::is_same<decltype(std::atan((long)0)), double>::value), "");
190 static_assert((std::is_same<decltype(std::atan((unsigned long)0)), double>::value), "");
191 static_assert((std::is_same<decltype(std::atan((long long)0)), double>::value), "");
192 static_assert((std::is_same<decltype(std::atan((unsigned long long)0)), double>::value), "");
193 static_assert((std::is_same<decltype(std::atan((double)0)), double>::value), "");
194 static_assert((std::is_same<decltype(std::atan((long double)0)), long double>::value), "");
195 static_assert((std::is_same<decltype(std::atanf(0)), float>::value), "");
196 static_assert((std::is_same<decltype(std::atanl(0)), long double>::value), "");
197 static_assert((std::is_same<decltype(atan(Ambiguous())), Ambiguous>::value), "");
198 assert(std::atan(0) == 0);
199 }
200
test_atan2()201 void test_atan2()
202 {
203 static_assert((std::is_same<decltype(std::atan2((float)0, (float)0)), float>::value), "");
204 static_assert((std::is_same<decltype(std::atan2((bool)0, (float)0)), double>::value), "");
205 static_assert((std::is_same<decltype(std::atan2((unsigned short)0, (double)0)), double>::value), "");
206 static_assert((std::is_same<decltype(std::atan2((int)0, (long double)0)), long double>::value), "");
207 static_assert((std::is_same<decltype(std::atan2((float)0, (unsigned int)0)), double>::value), "");
208 static_assert((std::is_same<decltype(std::atan2((double)0, (long)0)), double>::value), "");
209 static_assert((std::is_same<decltype(std::atan2((long double)0, (unsigned long)0)), long double>::value), "");
210 static_assert((std::is_same<decltype(std::atan2((int)0, (long long)0)), double>::value), "");
211 static_assert((std::is_same<decltype(std::atan2((int)0, (unsigned long long)0)), double>::value), "");
212 static_assert((std::is_same<decltype(std::atan2((double)0, (double)0)), double>::value), "");
213 static_assert((std::is_same<decltype(std::atan2((long double)0, (long double)0)), long double>::value), "");
214 static_assert((std::is_same<decltype(std::atan2((float)0, (double)0)), double>::value), "");
215 static_assert((std::is_same<decltype(std::atan2((float)0, (long double)0)), long double>::value), "");
216 static_assert((std::is_same<decltype(std::atan2((double)0, (long double)0)), long double>::value), "");
217 static_assert((std::is_same<decltype(std::atan2f(0,0)), float>::value), "");
218 static_assert((std::is_same<decltype(std::atan2l(0,0)), long double>::value), "");
219 static_assert((std::is_same<decltype(std::atan2((int)0, (int)0)), double>::value), "");
220 static_assert((std::is_same<decltype(atan2(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
221 assert(std::atan2(0,1) == 0);
222 }
223
test_ceil()224 void test_ceil()
225 {
226 static_assert((std::is_same<decltype(std::ceil((float)0)), float>::value), "");
227 static_assert((std::is_same<decltype(std::ceil((bool)0)), double>::value), "");
228 static_assert((std::is_same<decltype(std::ceil((unsigned short)0)), double>::value), "");
229 static_assert((std::is_same<decltype(std::ceil((int)0)), double>::value), "");
230 static_assert((std::is_same<decltype(std::ceil((unsigned int)0)), double>::value), "");
231 static_assert((std::is_same<decltype(std::ceil((long)0)), double>::value), "");
232 static_assert((std::is_same<decltype(std::ceil((unsigned long)0)), double>::value), "");
233 static_assert((std::is_same<decltype(std::ceil((long long)0)), double>::value), "");
234 static_assert((std::is_same<decltype(std::ceil((unsigned long long)0)), double>::value), "");
235 static_assert((std::is_same<decltype(std::ceil((double)0)), double>::value), "");
236 static_assert((std::is_same<decltype(std::ceil((long double)0)), long double>::value), "");
237 static_assert((std::is_same<decltype(std::ceilf(0)), float>::value), "");
238 static_assert((std::is_same<decltype(std::ceill(0)), long double>::value), "");
239 static_assert((std::is_same<decltype(ceil(Ambiguous())), Ambiguous>::value), "");
240 assert(std::ceil(0) == 0);
241 }
242
test_cos()243 void test_cos()
244 {
245 static_assert((std::is_same<decltype(std::cos((float)0)), float>::value), "");
246 static_assert((std::is_same<decltype(std::cos((bool)0)), double>::value), "");
247 static_assert((std::is_same<decltype(std::cos((unsigned short)0)), double>::value), "");
248 static_assert((std::is_same<decltype(std::cos((int)0)), double>::value), "");
249 static_assert((std::is_same<decltype(std::cos((unsigned int)0)), double>::value), "");
250 static_assert((std::is_same<decltype(std::cos((long)0)), double>::value), "");
251 static_assert((std::is_same<decltype(std::cos((unsigned long)0)), double>::value), "");
252 static_assert((std::is_same<decltype(std::cos((long long)0)), double>::value), "");
253 static_assert((std::is_same<decltype(std::cos((unsigned long long)0)), double>::value), "");
254 static_assert((std::is_same<decltype(std::cos((double)0)), double>::value), "");
255 static_assert((std::is_same<decltype(std::cos((long double)0)), long double>::value), "");
256 static_assert((std::is_same<decltype(std::cosf(0)), float>::value), "");
257 static_assert((std::is_same<decltype(std::cosl(0)), long double>::value), "");
258 static_assert((std::is_same<decltype(cos(Ambiguous())), Ambiguous>::value), "");
259 assert(std::cos(0) == 1);
260 }
261
test_cosh()262 void test_cosh()
263 {
264 static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");
265 static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");
266 static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");
267 static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");
268 static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");
269 static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");
270 static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");
271 static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");
272 static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");
273 static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");
274 static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");
275 static_assert((std::is_same<decltype(std::coshf(0)), float>::value), "");
276 static_assert((std::is_same<decltype(std::coshl(0)), long double>::value), "");
277 static_assert((std::is_same<decltype(cosh(Ambiguous())), Ambiguous>::value), "");
278 assert(std::cosh(0) == 1);
279 }
280
test_exp()281 void test_exp()
282 {
283 static_assert((std::is_same<decltype(std::exp((float)0)), float>::value), "");
284 static_assert((std::is_same<decltype(std::exp((bool)0)), double>::value), "");
285 static_assert((std::is_same<decltype(std::exp((unsigned short)0)), double>::value), "");
286 static_assert((std::is_same<decltype(std::exp((int)0)), double>::value), "");
287 static_assert((std::is_same<decltype(std::exp((unsigned int)0)), double>::value), "");
288 static_assert((std::is_same<decltype(std::exp((long)0)), double>::value), "");
289 static_assert((std::is_same<decltype(std::exp((unsigned long)0)), double>::value), "");
290 static_assert((std::is_same<decltype(std::exp((long long)0)), double>::value), "");
291 static_assert((std::is_same<decltype(std::exp((unsigned long long)0)), double>::value), "");
292 static_assert((std::is_same<decltype(std::exp((double)0)), double>::value), "");
293 static_assert((std::is_same<decltype(std::exp((long double)0)), long double>::value), "");
294 static_assert((std::is_same<decltype(std::expf(0)), float>::value), "");
295 static_assert((std::is_same<decltype(std::expl(0)), long double>::value), "");
296 static_assert((std::is_same<decltype(exp(Ambiguous())), Ambiguous>::value), "");
297 assert(std::exp(0) == 1);
298 }
299
test_fabs()300 void test_fabs()
301 {
302 static_assert((std::is_same<decltype(std::fabs((float)0)), float>::value), "");
303 static_assert((std::is_same<decltype(std::fabs((bool)0)), double>::value), "");
304 static_assert((std::is_same<decltype(std::fabs((unsigned short)0)), double>::value), "");
305 static_assert((std::is_same<decltype(std::fabs((int)0)), double>::value), "");
306 static_assert((std::is_same<decltype(std::fabs((unsigned int)0)), double>::value), "");
307 static_assert((std::is_same<decltype(std::fabs((long)0)), double>::value), "");
308 static_assert((std::is_same<decltype(std::fabs((unsigned long)0)), double>::value), "");
309 static_assert((std::is_same<decltype(std::fabs((long long)0)), double>::value), "");
310 static_assert((std::is_same<decltype(std::fabs((unsigned long long)0)), double>::value), "");
311 static_assert((std::is_same<decltype(std::fabs((double)0)), double>::value), "");
312 static_assert((std::is_same<decltype(std::fabs((long double)0)), long double>::value), "");
313 static_assert((std::is_same<decltype(std::fabsf(0.0f)), float>::value), "");
314 static_assert((std::is_same<decltype(std::fabsl(0.0L)), long double>::value), "");
315 static_assert((std::is_same<decltype(fabs(Ambiguous())), Ambiguous>::value), "");
316 assert(std::fabs(-1) == 1);
317 }
318
test_floor()319 void test_floor()
320 {
321 static_assert((std::is_same<decltype(std::floor((float)0)), float>::value), "");
322 static_assert((std::is_same<decltype(std::floor((bool)0)), double>::value), "");
323 static_assert((std::is_same<decltype(std::floor((unsigned short)0)), double>::value), "");
324 static_assert((std::is_same<decltype(std::floor((int)0)), double>::value), "");
325 static_assert((std::is_same<decltype(std::floor((unsigned int)0)), double>::value), "");
326 static_assert((std::is_same<decltype(std::floor((long)0)), double>::value), "");
327 static_assert((std::is_same<decltype(std::floor((unsigned long)0)), double>::value), "");
328 static_assert((std::is_same<decltype(std::floor((long long)0)), double>::value), "");
329 static_assert((std::is_same<decltype(std::floor((unsigned long long)0)), double>::value), "");
330 static_assert((std::is_same<decltype(std::floor((double)0)), double>::value), "");
331 static_assert((std::is_same<decltype(std::floor((long double)0)), long double>::value), "");
332 static_assert((std::is_same<decltype(std::floorf(0)), float>::value), "");
333 static_assert((std::is_same<decltype(std::floorl(0)), long double>::value), "");
334 static_assert((std::is_same<decltype(floor(Ambiguous())), Ambiguous>::value), "");
335 assert(std::floor(1) == 1);
336 }
337
test_fmod()338 void test_fmod()
339 {
340 static_assert((std::is_same<decltype(std::fmod((float)0, (float)0)), float>::value), "");
341 static_assert((std::is_same<decltype(std::fmod((bool)0, (float)0)), double>::value), "");
342 static_assert((std::is_same<decltype(std::fmod((unsigned short)0, (double)0)), double>::value), "");
343 static_assert((std::is_same<decltype(std::fmod((int)0, (long double)0)), long double>::value), "");
344 static_assert((std::is_same<decltype(std::fmod((float)0, (unsigned int)0)), double>::value), "");
345 static_assert((std::is_same<decltype(std::fmod((double)0, (long)0)), double>::value), "");
346 static_assert((std::is_same<decltype(std::fmod((long double)0, (unsigned long)0)), long double>::value), "");
347 static_assert((std::is_same<decltype(std::fmod((int)0, (long long)0)), double>::value), "");
348 static_assert((std::is_same<decltype(std::fmod((int)0, (unsigned long long)0)), double>::value), "");
349 static_assert((std::is_same<decltype(std::fmod((double)0, (double)0)), double>::value), "");
350 static_assert((std::is_same<decltype(std::fmod((long double)0, (long double)0)), long double>::value), "");
351 static_assert((std::is_same<decltype(std::fmod((float)0, (double)0)), double>::value), "");
352 static_assert((std::is_same<decltype(std::fmod((float)0, (long double)0)), long double>::value), "");
353 static_assert((std::is_same<decltype(std::fmod((double)0, (long double)0)), long double>::value), "");
354 static_assert((std::is_same<decltype(std::fmodf(0,0)), float>::value), "");
355 static_assert((std::is_same<decltype(std::fmodl(0,0)), long double>::value), "");
356 static_assert((std::is_same<decltype(std::fmod((int)0, (int)0)), double>::value), "");
357 static_assert((std::is_same<decltype(fmod(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
358 assert(std::fmod(1.5,1) == .5);
359 }
360
test_frexp()361 void test_frexp()
362 {
363 int ip;
364 static_assert((std::is_same<decltype(std::frexp((float)0, &ip)), float>::value), "");
365 static_assert((std::is_same<decltype(std::frexp((bool)0, &ip)), double>::value), "");
366 static_assert((std::is_same<decltype(std::frexp((unsigned short)0, &ip)), double>::value), "");
367 static_assert((std::is_same<decltype(std::frexp((int)0, &ip)), double>::value), "");
368 static_assert((std::is_same<decltype(std::frexp((unsigned int)0, &ip)), double>::value), "");
369 static_assert((std::is_same<decltype(std::frexp((long)0, &ip)), double>::value), "");
370 static_assert((std::is_same<decltype(std::frexp((unsigned long)0, &ip)), double>::value), "");
371 static_assert((std::is_same<decltype(std::frexp((long long)0, &ip)), double>::value), "");
372 static_assert((std::is_same<decltype(std::frexp((unsigned long long)0, &ip)), double>::value), "");
373 static_assert((std::is_same<decltype(std::frexp((double)0, &ip)), double>::value), "");
374 static_assert((std::is_same<decltype(std::frexp((long double)0, &ip)), long double>::value), "");
375 static_assert((std::is_same<decltype(std::frexpf(0, &ip)), float>::value), "");
376 static_assert((std::is_same<decltype(std::frexpl(0, &ip)), long double>::value), "");
377 static_assert((std::is_same<decltype(frexp(Ambiguous(), &ip)), Ambiguous>::value), "");
378 assert(std::frexp(0, &ip) == 0);
379 }
380
test_ldexp()381 void test_ldexp()
382 {
383 int ip = 1;
384 static_assert((std::is_same<decltype(std::ldexp((float)0, ip)), float>::value), "");
385 static_assert((std::is_same<decltype(std::ldexp((bool)0, ip)), double>::value), "");
386 static_assert((std::is_same<decltype(std::ldexp((unsigned short)0, ip)), double>::value), "");
387 static_assert((std::is_same<decltype(std::ldexp((int)0, ip)), double>::value), "");
388 static_assert((std::is_same<decltype(std::ldexp((unsigned int)0, ip)), double>::value), "");
389 static_assert((std::is_same<decltype(std::ldexp((long)0, ip)), double>::value), "");
390 static_assert((std::is_same<decltype(std::ldexp((unsigned long)0, ip)), double>::value), "");
391 static_assert((std::is_same<decltype(std::ldexp((long long)0, ip)), double>::value), "");
392 static_assert((std::is_same<decltype(std::ldexp((unsigned long long)0, ip)), double>::value), "");
393 static_assert((std::is_same<decltype(std::ldexp((double)0, ip)), double>::value), "");
394 static_assert((std::is_same<decltype(std::ldexp((long double)0, ip)), long double>::value), "");
395 static_assert((std::is_same<decltype(std::ldexpf(0, ip)), float>::value), "");
396 static_assert((std::is_same<decltype(std::ldexpl(0, ip)), long double>::value), "");
397 static_assert((std::is_same<decltype(ldexp(Ambiguous(), ip)), Ambiguous>::value), "");
398 assert(std::ldexp(1, ip) == 2);
399 }
400
test_log()401 void test_log()
402 {
403 static_assert((std::is_same<decltype(std::log((float)0)), float>::value), "");
404 static_assert((std::is_same<decltype(std::log((bool)0)), double>::value), "");
405 static_assert((std::is_same<decltype(std::log((unsigned short)0)), double>::value), "");
406 static_assert((std::is_same<decltype(std::log((int)0)), double>::value), "");
407 static_assert((std::is_same<decltype(std::log((unsigned int)0)), double>::value), "");
408 static_assert((std::is_same<decltype(std::log((long)0)), double>::value), "");
409 static_assert((std::is_same<decltype(std::log((unsigned long)0)), double>::value), "");
410 static_assert((std::is_same<decltype(std::log((long long)0)), double>::value), "");
411 static_assert((std::is_same<decltype(std::log((unsigned long long)0)), double>::value), "");
412 static_assert((std::is_same<decltype(std::log((double)0)), double>::value), "");
413 static_assert((std::is_same<decltype(std::log((long double)0)), long double>::value), "");
414 static_assert((std::is_same<decltype(std::logf(0)), float>::value), "");
415 static_assert((std::is_same<decltype(std::logl(0)), long double>::value), "");
416 static_assert((std::is_same<decltype(log(Ambiguous())), Ambiguous>::value), "");
417 assert(std::log(1) == 0);
418 }
419
test_log10()420 void test_log10()
421 {
422 static_assert((std::is_same<decltype(std::log10((float)0)), float>::value), "");
423 static_assert((std::is_same<decltype(std::log10((bool)0)), double>::value), "");
424 static_assert((std::is_same<decltype(std::log10((unsigned short)0)), double>::value), "");
425 static_assert((std::is_same<decltype(std::log10((int)0)), double>::value), "");
426 static_assert((std::is_same<decltype(std::log10((unsigned int)0)), double>::value), "");
427 static_assert((std::is_same<decltype(std::log10((long)0)), double>::value), "");
428 static_assert((std::is_same<decltype(std::log10((unsigned long)0)), double>::value), "");
429 static_assert((std::is_same<decltype(std::log10((long long)0)), double>::value), "");
430 static_assert((std::is_same<decltype(std::log10((unsigned long long)0)), double>::value), "");
431 static_assert((std::is_same<decltype(std::log10((double)0)), double>::value), "");
432 static_assert((std::is_same<decltype(std::log10((long double)0)), long double>::value), "");
433 static_assert((std::is_same<decltype(std::log10f(0)), float>::value), "");
434 static_assert((std::is_same<decltype(std::log10l(0)), long double>::value), "");
435 static_assert((std::is_same<decltype(log10(Ambiguous())), Ambiguous>::value), "");
436 assert(std::log10(1) == 0);
437 }
438
test_modf()439 void test_modf()
440 {
441 static_assert((std::is_same<decltype(std::modf((float)0, (float*)0)), float>::value), "");
442 static_assert((std::is_same<decltype(std::modf((double)0, (double*)0)), double>::value), "");
443 static_assert((std::is_same<decltype(std::modf((long double)0, (long double*)0)), long double>::value), "");
444 static_assert((std::is_same<decltype(std::modff(0, (float*)0)), float>::value), "");
445 static_assert((std::is_same<decltype(std::modfl(0, (long double*)0)), long double>::value), "");
446 static_assert((std::is_same<decltype(modf(Ambiguous(), (Ambiguous*)0)), Ambiguous>::value), "");
447 double i;
448 assert(std::modf(1., &i) == 0);
449 }
450
test_pow()451 void test_pow()
452 {
453 static_assert((std::is_same<decltype(std::pow((float)0, (float)0)), float>::value), "");
454 static_assert((std::is_same<decltype(std::pow((bool)0, (float)0)), double>::value), "");
455 static_assert((std::is_same<decltype(std::pow((unsigned short)0, (double)0)), double>::value), "");
456 static_assert((std::is_same<decltype(std::pow((int)0, (long double)0)), long double>::value), "");
457 static_assert((std::is_same<decltype(std::pow((float)0, (unsigned int)0)), double>::value), "");
458 static_assert((std::is_same<decltype(std::pow((double)0, (long)0)), double>::value), "");
459 static_assert((std::is_same<decltype(std::pow((long double)0, (unsigned long)0)), long double>::value), "");
460 static_assert((std::is_same<decltype(std::pow((int)0, (long long)0)), double>::value), "");
461 static_assert((std::is_same<decltype(std::pow((int)0, (unsigned long long)0)), double>::value), "");
462 static_assert((std::is_same<decltype(std::pow((double)0, (double)0)), double>::value), "");
463 static_assert((std::is_same<decltype(std::pow((long double)0, (long double)0)), long double>::value), "");
464 static_assert((std::is_same<decltype(std::pow((float)0, (double)0)), double>::value), "");
465 static_assert((std::is_same<decltype(std::pow((float)0, (long double)0)), long double>::value), "");
466 static_assert((std::is_same<decltype(std::pow((double)0, (long double)0)), long double>::value), "");
467 static_assert((std::is_same<decltype(std::powf(0,0)), float>::value), "");
468 static_assert((std::is_same<decltype(std::powl(0,0)), long double>::value), "");
469 static_assert((std::is_same<decltype(std::pow((int)0, (int)0)), double>::value), "");
470 // static_assert((std::is_same<decltype(std::pow(Value<int>(), (int)0)), double>::value), "");
471 // static_assert((std::is_same<decltype(std::pow(Value<long double>(), (float)0)), long double>::value), "");
472 // static_assert((std::is_same<decltype(std::pow((float) 0, Value<float>())), float>::value), "");
473 static_assert((std::is_same<decltype(pow(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
474 assert(std::pow(1,1) == 1);
475 // assert(std::pow(Value<int,1>(), Value<float,1>()) == 1);
476 // assert(std::pow(1.0f, Value<double,1>()) == 1);
477 // assert(std::pow(1.0, Value<int,1>()) == 1);
478 // assert(std::pow(Value<long double,1>(), 1LL) == 1);
479 }
480
test_sin()481 void test_sin()
482 {
483 static_assert((std::is_same<decltype(std::sin((float)0)), float>::value), "");
484 static_assert((std::is_same<decltype(std::sin((bool)0)), double>::value), "");
485 static_assert((std::is_same<decltype(std::sin((unsigned short)0)), double>::value), "");
486 static_assert((std::is_same<decltype(std::sin((int)0)), double>::value), "");
487 static_assert((std::is_same<decltype(std::sin((unsigned int)0)), double>::value), "");
488 static_assert((std::is_same<decltype(std::sin((long)0)), double>::value), "");
489 static_assert((std::is_same<decltype(std::sin((unsigned long)0)), double>::value), "");
490 static_assert((std::is_same<decltype(std::sin((long long)0)), double>::value), "");
491 static_assert((std::is_same<decltype(std::sin((unsigned long long)0)), double>::value), "");
492 static_assert((std::is_same<decltype(std::sin((double)0)), double>::value), "");
493 static_assert((std::is_same<decltype(std::sin((long double)0)), long double>::value), "");
494 static_assert((std::is_same<decltype(std::sinf(0)), float>::value), "");
495 static_assert((std::is_same<decltype(std::sinl(0)), long double>::value), "");
496 static_assert((std::is_same<decltype(sin(Ambiguous())), Ambiguous>::value), "");
497 assert(std::sin(0) == 0);
498 }
499
test_sinh()500 void test_sinh()
501 {
502 static_assert((std::is_same<decltype(std::sinh((float)0)), float>::value), "");
503 static_assert((std::is_same<decltype(std::sinh((bool)0)), double>::value), "");
504 static_assert((std::is_same<decltype(std::sinh((unsigned short)0)), double>::value), "");
505 static_assert((std::is_same<decltype(std::sinh((int)0)), double>::value), "");
506 static_assert((std::is_same<decltype(std::sinh((unsigned int)0)), double>::value), "");
507 static_assert((std::is_same<decltype(std::sinh((long)0)), double>::value), "");
508 static_assert((std::is_same<decltype(std::sinh((unsigned long)0)), double>::value), "");
509 static_assert((std::is_same<decltype(std::sinh((long long)0)), double>::value), "");
510 static_assert((std::is_same<decltype(std::sinh((unsigned long long)0)), double>::value), "");
511 static_assert((std::is_same<decltype(std::sinh((double)0)), double>::value), "");
512 static_assert((std::is_same<decltype(std::sinh((long double)0)), long double>::value), "");
513 static_assert((std::is_same<decltype(std::sinhf(0)), float>::value), "");
514 static_assert((std::is_same<decltype(std::sinhl(0)), long double>::value), "");
515 static_assert((std::is_same<decltype(sinh(Ambiguous())), Ambiguous>::value), "");
516 assert(std::sinh(0) == 0);
517 }
518
test_sqrt()519 void test_sqrt()
520 {
521 static_assert((std::is_same<decltype(std::sqrt((float)0)), float>::value), "");
522 static_assert((std::is_same<decltype(std::sqrt((bool)0)), double>::value), "");
523 static_assert((std::is_same<decltype(std::sqrt((unsigned short)0)), double>::value), "");
524 static_assert((std::is_same<decltype(std::sqrt((int)0)), double>::value), "");
525 static_assert((std::is_same<decltype(std::sqrt((unsigned int)0)), double>::value), "");
526 static_assert((std::is_same<decltype(std::sqrt((long)0)), double>::value), "");
527 static_assert((std::is_same<decltype(std::sqrt((unsigned long)0)), double>::value), "");
528 static_assert((std::is_same<decltype(std::sqrt((long long)0)), double>::value), "");
529 static_assert((std::is_same<decltype(std::sqrt((unsigned long long)0)), double>::value), "");
530 static_assert((std::is_same<decltype(std::sqrt((double)0)), double>::value), "");
531 static_assert((std::is_same<decltype(std::sqrt((long double)0)), long double>::value), "");
532 static_assert((std::is_same<decltype(std::sqrtf(0)), float>::value), "");
533 static_assert((std::is_same<decltype(std::sqrtl(0)), long double>::value), "");
534 static_assert((std::is_same<decltype(sqrt(Ambiguous())), Ambiguous>::value), "");
535 assert(std::sqrt(4) == 2);
536 }
537
test_tan()538 void test_tan()
539 {
540 static_assert((std::is_same<decltype(std::tan((float)0)), float>::value), "");
541 static_assert((std::is_same<decltype(std::tan((bool)0)), double>::value), "");
542 static_assert((std::is_same<decltype(std::tan((unsigned short)0)), double>::value), "");
543 static_assert((std::is_same<decltype(std::tan((int)0)), double>::value), "");
544 static_assert((std::is_same<decltype(std::tan((unsigned int)0)), double>::value), "");
545 static_assert((std::is_same<decltype(std::tan((long)0)), double>::value), "");
546 static_assert((std::is_same<decltype(std::tan((unsigned long)0)), double>::value), "");
547 static_assert((std::is_same<decltype(std::tan((long long)0)), double>::value), "");
548 static_assert((std::is_same<decltype(std::tan((unsigned long long)0)), double>::value), "");
549 static_assert((std::is_same<decltype(std::tan((double)0)), double>::value), "");
550 static_assert((std::is_same<decltype(std::tan((long double)0)), long double>::value), "");
551 static_assert((std::is_same<decltype(std::tanf(0)), float>::value), "");
552 static_assert((std::is_same<decltype(std::tanl(0)), long double>::value), "");
553 static_assert((std::is_same<decltype(tan(Ambiguous())), Ambiguous>::value), "");
554 assert(std::tan(0) == 0);
555 }
556
test_tanh()557 void test_tanh()
558 {
559 static_assert((std::is_same<decltype(std::tanh((float)0)), float>::value), "");
560 static_assert((std::is_same<decltype(std::tanh((bool)0)), double>::value), "");
561 static_assert((std::is_same<decltype(std::tanh((unsigned short)0)), double>::value), "");
562 static_assert((std::is_same<decltype(std::tanh((int)0)), double>::value), "");
563 static_assert((std::is_same<decltype(std::tanh((unsigned int)0)), double>::value), "");
564 static_assert((std::is_same<decltype(std::tanh((long)0)), double>::value), "");
565 static_assert((std::is_same<decltype(std::tanh((unsigned long)0)), double>::value), "");
566 static_assert((std::is_same<decltype(std::tanh((long long)0)), double>::value), "");
567 static_assert((std::is_same<decltype(std::tanh((unsigned long long)0)), double>::value), "");
568 static_assert((std::is_same<decltype(std::tanh((double)0)), double>::value), "");
569 static_assert((std::is_same<decltype(std::tanh((long double)0)), long double>::value), "");
570 static_assert((std::is_same<decltype(std::tanhf(0)), float>::value), "");
571 static_assert((std::is_same<decltype(std::tanhl(0)), long double>::value), "");
572 static_assert((std::is_same<decltype(tanh(Ambiguous())), Ambiguous>::value), "");
573 assert(std::tanh(0) == 0);
574 }
575
test_signbit()576 void test_signbit()
577 {
578 #ifdef signbit
579 #error signbit defined
580 #endif
581 static_assert((std::is_same<decltype(std::signbit((float)0)), bool>::value), "");
582 static_assert((std::is_same<decltype(std::signbit((double)0)), bool>::value), "");
583 static_assert((std::is_same<decltype(std::signbit(0)), bool>::value), "");
584 static_assert((std::is_same<decltype(std::signbit((long double)0)), bool>::value), "");
585 static_assert((std::is_same<decltype(signbit(Ambiguous())), Ambiguous>::value), "");
586 assert(std::signbit(-1.0) == true);
587 assert(std::signbit(0u) == false);
588 assert(std::signbit(std::numeric_limits<unsigned>::max()) == false);
589 assert(std::signbit(0) == false);
590 assert(std::signbit(1) == false);
591 assert(std::signbit(-1) == true);
592 assert(std::signbit(std::numeric_limits<int>::max()) == false);
593 assert(std::signbit(std::numeric_limits<int>::min()) == true);
594 }
595
test_fpclassify()596 void test_fpclassify()
597 {
598 #ifdef fpclassify
599 #error fpclassify defined
600 #endif
601 static_assert((std::is_same<decltype(std::fpclassify((float)0)), int>::value), "");
602 static_assert((std::is_same<decltype(std::fpclassify((double)0)), int>::value), "");
603 static_assert((std::is_same<decltype(std::fpclassify(0)), int>::value), "");
604 static_assert((std::is_same<decltype(std::fpclassify((long double)0)), int>::value), "");
605 static_assert((std::is_same<decltype(fpclassify(Ambiguous())), Ambiguous>::value), "");
606 assert(std::fpclassify(-1.0) == FP_NORMAL);
607 assert(std::fpclassify(0) == FP_ZERO);
608 assert(std::fpclassify(1) == FP_NORMAL);
609 assert(std::fpclassify(-1) == FP_NORMAL);
610 assert(std::fpclassify(std::numeric_limits<int>::max()) == FP_NORMAL);
611 assert(std::fpclassify(std::numeric_limits<int>::min()) == FP_NORMAL);
612 }
613
test_isfinite()614 void test_isfinite()
615 {
616 #ifdef isfinite
617 #error isfinite defined
618 #endif
619 static_assert((std::is_same<decltype(std::isfinite((float)0)), bool>::value), "");
620 static_assert((std::is_same<decltype(std::isfinite((double)0)), bool>::value), "");
621 static_assert((std::is_same<decltype(std::isfinite(0)), bool>::value), "");
622 static_assert((std::is_same<decltype(std::isfinite((long double)0)), bool>::value), "");
623 static_assert((std::is_same<decltype(isfinite(Ambiguous())), Ambiguous>::value), "");
624 assert(std::isfinite(-1.0) == true);
625 assert(std::isfinite(0) == true);
626 assert(std::isfinite(1) == true);
627 assert(std::isfinite(-1) == true);
628 assert(std::isfinite(std::numeric_limits<int>::max()) == true);
629 assert(std::isfinite(std::numeric_limits<int>::min()) == true);
630 }
631
test_isnormal()632 void test_isnormal()
633 {
634 #ifdef isnormal
635 #error isnormal defined
636 #endif
637 static_assert((std::is_same<decltype(std::isnormal((float)0)), bool>::value), "");
638 static_assert((std::is_same<decltype(std::isnormal((double)0)), bool>::value), "");
639 static_assert((std::is_same<decltype(std::isnormal(0)), bool>::value), "");
640 static_assert((std::is_same<decltype(std::isnormal((long double)0)), bool>::value), "");
641 static_assert((std::is_same<decltype(isnormal(Ambiguous())), Ambiguous>::value), "");
642 assert(std::isnormal(-1.0) == true);
643 assert(std::isnormal(0) == false);
644 assert(std::isnormal(1) == true);
645 assert(std::isnormal(-1) == true);
646 assert(std::isnormal(std::numeric_limits<int>::max()) == true);
647 assert(std::isnormal(std::numeric_limits<int>::min()) == true);
648 }
649
test_isgreater()650 void test_isgreater()
651 {
652 #ifdef isgreater
653 #error isgreater defined
654 #endif
655 static_assert((std::is_same<decltype(std::isgreater((float)0, (float)0)), bool>::value), "");
656 static_assert((std::is_same<decltype(std::isgreater((float)0, (double)0)), bool>::value), "");
657 static_assert((std::is_same<decltype(std::isgreater((float)0, (long double)0)), bool>::value), "");
658 static_assert((std::is_same<decltype(std::isgreater((double)0, (float)0)), bool>::value), "");
659 static_assert((std::is_same<decltype(std::isgreater((double)0, (double)0)), bool>::value), "");
660 static_assert((std::is_same<decltype(std::isgreater(0, (double)0)), bool>::value), "");
661 static_assert((std::is_same<decltype(std::isgreater((double)0, (long double)0)), bool>::value), "");
662 static_assert((std::is_same<decltype(std::isgreater((long double)0, (float)0)), bool>::value), "");
663 static_assert((std::is_same<decltype(std::isgreater((long double)0, (double)0)), bool>::value), "");
664 static_assert((std::is_same<decltype(std::isgreater((long double)0, (long double)0)), bool>::value), "");
665 static_assert((std::is_same<decltype(isgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
666 assert(std::isgreater(-1.0, 0.F) == false);
667 }
668
test_isgreaterequal()669 void test_isgreaterequal()
670 {
671 #ifdef isgreaterequal
672 #error isgreaterequal defined
673 #endif
674 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (float)0)), bool>::value), "");
675 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (double)0)), bool>::value), "");
676 static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (long double)0)), bool>::value), "");
677 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (float)0)), bool>::value), "");
678 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (double)0)), bool>::value), "");
679 static_assert((std::is_same<decltype(std::isgreaterequal(0, (double)0)), bool>::value), "");
680 static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (long double)0)), bool>::value), "");
681 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (float)0)), bool>::value), "");
682 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (double)0)), bool>::value), "");
683 static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (long double)0)), bool>::value), "");
684 static_assert((std::is_same<decltype(isgreaterequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
685 assert(std::isgreaterequal(-1.0, 0.F) == false);
686 }
687
test_isinf()688 void test_isinf()
689 {
690 #ifdef isinf
691 #error isinf defined
692 #endif
693 static_assert((std::is_same<decltype(std::isinf((float)0)), bool>::value), "");
694
695 typedef decltype(std::isinf((double)0)) DoubleRetType;
696 #if !defined(__linux__) || defined(__clang__)
697 static_assert((std::is_same<DoubleRetType, bool>::value), "");
698 #else
699 // GLIBC < 2.23 defines 'isinf(double)' with a return type of 'int' in
700 // all C++ dialects. The test should tolerate this when libc++ can't work
701 // around it.
702 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
703 static_assert((std::is_same<DoubleRetType, bool>::value
704 || std::is_same<DoubleRetType, int>::value), "");
705 #endif
706
707 static_assert((std::is_same<decltype(std::isinf(0)), bool>::value), "");
708 static_assert((std::is_same<decltype(std::isinf((long double)0)), bool>::value), "");
709 assert(std::isinf(-1.0) == false);
710 assert(std::isinf(0) == false);
711 assert(std::isinf(1) == false);
712 assert(std::isinf(-1) == false);
713 assert(std::isinf(std::numeric_limits<int>::max()) == false);
714 assert(std::isinf(std::numeric_limits<int>::min()) == false);
715 }
716
test_isless()717 void test_isless()
718 {
719 #ifdef isless
720 #error isless defined
721 #endif
722 static_assert((std::is_same<decltype(std::isless((float)0, (float)0)), bool>::value), "");
723 static_assert((std::is_same<decltype(std::isless((float)0, (double)0)), bool>::value), "");
724 static_assert((std::is_same<decltype(std::isless((float)0, (long double)0)), bool>::value), "");
725 static_assert((std::is_same<decltype(std::isless((double)0, (float)0)), bool>::value), "");
726 static_assert((std::is_same<decltype(std::isless((double)0, (double)0)), bool>::value), "");
727 static_assert((std::is_same<decltype(std::isless(0, (double)0)), bool>::value), "");
728 static_assert((std::is_same<decltype(std::isless((double)0, (long double)0)), bool>::value), "");
729 static_assert((std::is_same<decltype(std::isless((long double)0, (float)0)), bool>::value), "");
730 static_assert((std::is_same<decltype(std::isless((long double)0, (double)0)), bool>::value), "");
731 static_assert((std::is_same<decltype(std::isless((long double)0, (long double)0)), bool>::value), "");
732 static_assert((std::is_same<decltype(isless(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
733 assert(std::isless(-1.0, 0.F) == true);
734 }
735
test_islessequal()736 void test_islessequal()
737 {
738 #ifdef islessequal
739 #error islessequal defined
740 #endif
741 static_assert((std::is_same<decltype(std::islessequal((float)0, (float)0)), bool>::value), "");
742 static_assert((std::is_same<decltype(std::islessequal((float)0, (double)0)), bool>::value), "");
743 static_assert((std::is_same<decltype(std::islessequal((float)0, (long double)0)), bool>::value), "");
744 static_assert((std::is_same<decltype(std::islessequal((double)0, (float)0)), bool>::value), "");
745 static_assert((std::is_same<decltype(std::islessequal((double)0, (double)0)), bool>::value), "");
746 static_assert((std::is_same<decltype(std::islessequal(0, (double)0)), bool>::value), "");
747 static_assert((std::is_same<decltype(std::islessequal((double)0, (long double)0)), bool>::value), "");
748 static_assert((std::is_same<decltype(std::islessequal((long double)0, (float)0)), bool>::value), "");
749 static_assert((std::is_same<decltype(std::islessequal((long double)0, (double)0)), bool>::value), "");
750 static_assert((std::is_same<decltype(std::islessequal((long double)0, (long double)0)), bool>::value), "");
751 static_assert((std::is_same<decltype(islessequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
752 assert(std::islessequal(-1.0, 0.F) == true);
753 }
754
test_islessgreater()755 void test_islessgreater()
756 {
757 #ifdef islessgreater
758 #error islessgreater defined
759 #endif
760 static_assert((std::is_same<decltype(std::islessgreater((float)0, (float)0)), bool>::value), "");
761 static_assert((std::is_same<decltype(std::islessgreater((float)0, (double)0)), bool>::value), "");
762 static_assert((std::is_same<decltype(std::islessgreater((float)0, (long double)0)), bool>::value), "");
763 static_assert((std::is_same<decltype(std::islessgreater((double)0, (float)0)), bool>::value), "");
764 static_assert((std::is_same<decltype(std::islessgreater((double)0, (double)0)), bool>::value), "");
765 static_assert((std::is_same<decltype(std::islessgreater(0, (double)0)), bool>::value), "");
766 static_assert((std::is_same<decltype(std::islessgreater((double)0, (long double)0)), bool>::value), "");
767 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (float)0)), bool>::value), "");
768 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (double)0)), bool>::value), "");
769 static_assert((std::is_same<decltype(std::islessgreater((long double)0, (long double)0)), bool>::value), "");
770 static_assert((std::is_same<decltype(islessgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
771 assert(std::islessgreater(-1.0, 0.F) == true);
772 }
773
test_isnan()774 void test_isnan()
775 {
776 #ifdef isnan
777 #error isnan defined
778 #endif
779 static_assert((std::is_same<decltype(std::isnan((float)0)), bool>::value), "");
780
781 typedef decltype(std::isnan((double)0)) DoubleRetType;
782 #if !defined(__linux__) || defined(__clang__)
783 static_assert((std::is_same<DoubleRetType, bool>::value), "");
784 #else
785 // GLIBC < 2.23 defines 'isinf(double)' with a return type of 'int' in
786 // all C++ dialects. The test should tolerate this when libc++ can't work
787 // around it.
788 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
789 static_assert((std::is_same<DoubleRetType, bool>::value
790 || std::is_same<DoubleRetType, int>::value), "");
791 #endif
792
793 static_assert((std::is_same<decltype(std::isnan(0)), bool>::value), "");
794 static_assert((std::is_same<decltype(std::isnan((long double)0)), bool>::value), "");
795 assert(std::isnan(-1.0) == false);
796 assert(std::isnan(0) == false);
797 assert(std::isnan(1) == false);
798 assert(std::isnan(-1) == false);
799 assert(std::isnan(std::numeric_limits<int>::max()) == false);
800 assert(std::isnan(std::numeric_limits<int>::min()) == false);
801 }
802
test_isunordered()803 void test_isunordered()
804 {
805 #ifdef isunordered
806 #error isunordered defined
807 #endif
808 static_assert((std::is_same<decltype(std::isunordered((float)0, (float)0)), bool>::value), "");
809 static_assert((std::is_same<decltype(std::isunordered((float)0, (double)0)), bool>::value), "");
810 static_assert((std::is_same<decltype(std::isunordered((float)0, (long double)0)), bool>::value), "");
811 static_assert((std::is_same<decltype(std::isunordered((double)0, (float)0)), bool>::value), "");
812 static_assert((std::is_same<decltype(std::isunordered((double)0, (double)0)), bool>::value), "");
813 static_assert((std::is_same<decltype(std::isunordered(0, (double)0)), bool>::value), "");
814 static_assert((std::is_same<decltype(std::isunordered((double)0, (long double)0)), bool>::value), "");
815 static_assert((std::is_same<decltype(std::isunordered((long double)0, (float)0)), bool>::value), "");
816 static_assert((std::is_same<decltype(std::isunordered((long double)0, (double)0)), bool>::value), "");
817 static_assert((std::is_same<decltype(std::isunordered((long double)0, (long double)0)), bool>::value), "");
818 static_assert((std::is_same<decltype(isunordered(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
819 assert(std::isunordered(-1.0, 0.F) == false);
820 }
821
test_acosh()822 void test_acosh()
823 {
824 static_assert((std::is_same<decltype(std::acosh((float)0)), float>::value), "");
825 static_assert((std::is_same<decltype(std::acosh((bool)0)), double>::value), "");
826 static_assert((std::is_same<decltype(std::acosh((unsigned short)0)), double>::value), "");
827 static_assert((std::is_same<decltype(std::acosh((int)0)), double>::value), "");
828 static_assert((std::is_same<decltype(std::acosh((unsigned int)0)), double>::value), "");
829 static_assert((std::is_same<decltype(std::acosh((long)0)), double>::value), "");
830 static_assert((std::is_same<decltype(std::acosh((unsigned long)0)), double>::value), "");
831 static_assert((std::is_same<decltype(std::acosh((long long)0)), double>::value), "");
832 static_assert((std::is_same<decltype(std::acosh((unsigned long long)0)), double>::value), "");
833 static_assert((std::is_same<decltype(std::acosh((double)0)), double>::value), "");
834 static_assert((std::is_same<decltype(std::acosh((long double)0)), long double>::value), "");
835 static_assert((std::is_same<decltype(std::acoshf(0)), float>::value), "");
836 static_assert((std::is_same<decltype(std::acoshl(0)), long double>::value), "");
837 static_assert((std::is_same<decltype(acosh(Ambiguous())), Ambiguous>::value), "");
838 assert(std::acosh(1) == 0);
839 }
840
test_asinh()841 void test_asinh()
842 {
843 static_assert((std::is_same<decltype(std::asinh((float)0)), float>::value), "");
844 static_assert((std::is_same<decltype(std::asinh((bool)0)), double>::value), "");
845 static_assert((std::is_same<decltype(std::asinh((unsigned short)0)), double>::value), "");
846 static_assert((std::is_same<decltype(std::asinh((int)0)), double>::value), "");
847 static_assert((std::is_same<decltype(std::asinh((unsigned int)0)), double>::value), "");
848 static_assert((std::is_same<decltype(std::asinh((long)0)), double>::value), "");
849 static_assert((std::is_same<decltype(std::asinh((unsigned long)0)), double>::value), "");
850 static_assert((std::is_same<decltype(std::asinh((long long)0)), double>::value), "");
851 static_assert((std::is_same<decltype(std::asinh((unsigned long long)0)), double>::value), "");
852 static_assert((std::is_same<decltype(std::asinh((double)0)), double>::value), "");
853 static_assert((std::is_same<decltype(std::asinh((long double)0)), long double>::value), "");
854 static_assert((std::is_same<decltype(std::asinhf(0)), float>::value), "");
855 static_assert((std::is_same<decltype(std::asinhl(0)), long double>::value), "");
856 static_assert((std::is_same<decltype(asinh(Ambiguous())), Ambiguous>::value), "");
857 assert(std::asinh(0) == 0);
858 }
859
test_atanh()860 void test_atanh()
861 {
862 static_assert((std::is_same<decltype(std::atanh((float)0)), float>::value), "");
863 static_assert((std::is_same<decltype(std::atanh((bool)0)), double>::value), "");
864 static_assert((std::is_same<decltype(std::atanh((unsigned short)0)), double>::value), "");
865 static_assert((std::is_same<decltype(std::atanh((int)0)), double>::value), "");
866 static_assert((std::is_same<decltype(std::atanh((unsigned int)0)), double>::value), "");
867 static_assert((std::is_same<decltype(std::atanh((long)0)), double>::value), "");
868 static_assert((std::is_same<decltype(std::atanh((unsigned long)0)), double>::value), "");
869 static_assert((std::is_same<decltype(std::atanh((long long)0)), double>::value), "");
870 static_assert((std::is_same<decltype(std::atanh((unsigned long long)0)), double>::value), "");
871 static_assert((std::is_same<decltype(std::atanh((double)0)), double>::value), "");
872 static_assert((std::is_same<decltype(std::atanh((long double)0)), long double>::value), "");
873 static_assert((std::is_same<decltype(std::atanhf(0)), float>::value), "");
874 static_assert((std::is_same<decltype(std::atanhl(0)), long double>::value), "");
875 static_assert((std::is_same<decltype(atanh(Ambiguous())), Ambiguous>::value), "");
876 assert(std::atanh(0) == 0);
877 }
878
test_cbrt()879 void test_cbrt()
880 {
881 static_assert((std::is_same<decltype(std::cbrt((float)0)), float>::value), "");
882 static_assert((std::is_same<decltype(std::cbrt((bool)0)), double>::value), "");
883 static_assert((std::is_same<decltype(std::cbrt((unsigned short)0)), double>::value), "");
884 static_assert((std::is_same<decltype(std::cbrt((int)0)), double>::value), "");
885 static_assert((std::is_same<decltype(std::cbrt((unsigned int)0)), double>::value), "");
886 static_assert((std::is_same<decltype(std::cbrt((long)0)), double>::value), "");
887 static_assert((std::is_same<decltype(std::cbrt((unsigned long)0)), double>::value), "");
888 static_assert((std::is_same<decltype(std::cbrt((long long)0)), double>::value), "");
889 static_assert((std::is_same<decltype(std::cbrt((unsigned long long)0)), double>::value), "");
890 static_assert((std::is_same<decltype(std::cbrt((double)0)), double>::value), "");
891 static_assert((std::is_same<decltype(std::cbrt((long double)0)), long double>::value), "");
892 static_assert((std::is_same<decltype(std::cbrtf(0)), float>::value), "");
893 static_assert((std::is_same<decltype(std::cbrtl(0)), long double>::value), "");
894 static_assert((std::is_same<decltype(cbrt(Ambiguous())), Ambiguous>::value), "");
895 assert(truncate_fp(std::cbrt(1)) == 1);
896 }
897
test_copysign()898 void test_copysign()
899 {
900 static_assert((std::is_same<decltype(std::copysign((float)0, (float)0)), float>::value), "");
901 static_assert((std::is_same<decltype(std::copysign((bool)0, (float)0)), double>::value), "");
902 static_assert((std::is_same<decltype(std::copysign((unsigned short)0, (double)0)), double>::value), "");
903 static_assert((std::is_same<decltype(std::copysign((int)0, (long double)0)), long double>::value), "");
904 static_assert((std::is_same<decltype(std::copysign((float)0, (unsigned int)0)), double>::value), "");
905 static_assert((std::is_same<decltype(std::copysign((double)0, (long)0)), double>::value), "");
906 static_assert((std::is_same<decltype(std::copysign((long double)0, (unsigned long)0)), long double>::value), "");
907 static_assert((std::is_same<decltype(std::copysign((int)0, (long long)0)), double>::value), "");
908 static_assert((std::is_same<decltype(std::copysign((int)0, (unsigned long long)0)), double>::value), "");
909 static_assert((std::is_same<decltype(std::copysign((double)0, (double)0)), double>::value), "");
910 static_assert((std::is_same<decltype(std::copysign((long double)0, (long double)0)), long double>::value), "");
911 static_assert((std::is_same<decltype(std::copysign((float)0, (double)0)), double>::value), "");
912 static_assert((std::is_same<decltype(std::copysign((float)0, (long double)0)), long double>::value), "");
913 static_assert((std::is_same<decltype(std::copysign((double)0, (long double)0)), long double>::value), "");
914 static_assert((std::is_same<decltype(std::copysignf(0,0)), float>::value), "");
915 static_assert((std::is_same<decltype(std::copysignl(0,0)), long double>::value), "");
916 static_assert((std::is_same<decltype(std::copysign((int)0, (int)0)), double>::value), "");
917 static_assert((std::is_same<decltype(copysign(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
918 assert(std::copysign(1,1) == 1);
919 }
920
test_erf()921 void test_erf()
922 {
923 static_assert((std::is_same<decltype(std::erf((float)0)), float>::value), "");
924 static_assert((std::is_same<decltype(std::erf((bool)0)), double>::value), "");
925 static_assert((std::is_same<decltype(std::erf((unsigned short)0)), double>::value), "");
926 static_assert((std::is_same<decltype(std::erf((int)0)), double>::value), "");
927 static_assert((std::is_same<decltype(std::erf((unsigned int)0)), double>::value), "");
928 static_assert((std::is_same<decltype(std::erf((long)0)), double>::value), "");
929 static_assert((std::is_same<decltype(std::erf((unsigned long)0)), double>::value), "");
930 static_assert((std::is_same<decltype(std::erf((long long)0)), double>::value), "");
931 static_assert((std::is_same<decltype(std::erf((unsigned long long)0)), double>::value), "");
932 static_assert((std::is_same<decltype(std::erf((double)0)), double>::value), "");
933 static_assert((std::is_same<decltype(std::erf((long double)0)), long double>::value), "");
934 static_assert((std::is_same<decltype(std::erff(0)), float>::value), "");
935 static_assert((std::is_same<decltype(std::erfl(0)), long double>::value), "");
936 static_assert((std::is_same<decltype(erf(Ambiguous())), Ambiguous>::value), "");
937 assert(std::erf(0) == 0);
938 }
939
test_erfc()940 void test_erfc()
941 {
942 static_assert((std::is_same<decltype(std::erfc((float)0)), float>::value), "");
943 static_assert((std::is_same<decltype(std::erfc((bool)0)), double>::value), "");
944 static_assert((std::is_same<decltype(std::erfc((unsigned short)0)), double>::value), "");
945 static_assert((std::is_same<decltype(std::erfc((int)0)), double>::value), "");
946 static_assert((std::is_same<decltype(std::erfc((unsigned int)0)), double>::value), "");
947 static_assert((std::is_same<decltype(std::erfc((long)0)), double>::value), "");
948 static_assert((std::is_same<decltype(std::erfc((unsigned long)0)), double>::value), "");
949 static_assert((std::is_same<decltype(std::erfc((long long)0)), double>::value), "");
950 static_assert((std::is_same<decltype(std::erfc((unsigned long long)0)), double>::value), "");
951 static_assert((std::is_same<decltype(std::erfc((double)0)), double>::value), "");
952 static_assert((std::is_same<decltype(std::erfc((long double)0)), long double>::value), "");
953 static_assert((std::is_same<decltype(std::erfcf(0)), float>::value), "");
954 static_assert((std::is_same<decltype(std::erfcl(0)), long double>::value), "");
955 static_assert((std::is_same<decltype(erfc(Ambiguous())), Ambiguous>::value), "");
956 assert(std::erfc(0) == 1);
957 }
958
test_exp2()959 void test_exp2()
960 {
961 static_assert((std::is_same<decltype(std::exp2((float)0)), float>::value), "");
962 static_assert((std::is_same<decltype(std::exp2((bool)0)), double>::value), "");
963 static_assert((std::is_same<decltype(std::exp2((unsigned short)0)), double>::value), "");
964 static_assert((std::is_same<decltype(std::exp2((int)0)), double>::value), "");
965 static_assert((std::is_same<decltype(std::exp2((unsigned int)0)), double>::value), "");
966 static_assert((std::is_same<decltype(std::exp2((long)0)), double>::value), "");
967 static_assert((std::is_same<decltype(std::exp2((unsigned long)0)), double>::value), "");
968 static_assert((std::is_same<decltype(std::exp2((long long)0)), double>::value), "");
969 static_assert((std::is_same<decltype(std::exp2((unsigned long long)0)), double>::value), "");
970 static_assert((std::is_same<decltype(std::exp2((double)0)), double>::value), "");
971 static_assert((std::is_same<decltype(std::exp2((long double)0)), long double>::value), "");
972 static_assert((std::is_same<decltype(std::exp2f(0)), float>::value), "");
973 static_assert((std::is_same<decltype(std::exp2l(0)), long double>::value), "");
974 static_assert((std::is_same<decltype(exp2(Ambiguous())), Ambiguous>::value), "");
975 assert(std::exp2(1) == 2);
976 }
977
test_expm1()978 void test_expm1()
979 {
980 static_assert((std::is_same<decltype(std::expm1((float)0)), float>::value), "");
981 static_assert((std::is_same<decltype(std::expm1((bool)0)), double>::value), "");
982 static_assert((std::is_same<decltype(std::expm1((unsigned short)0)), double>::value), "");
983 static_assert((std::is_same<decltype(std::expm1((int)0)), double>::value), "");
984 static_assert((std::is_same<decltype(std::expm1((unsigned int)0)), double>::value), "");
985 static_assert((std::is_same<decltype(std::expm1((long)0)), double>::value), "");
986 static_assert((std::is_same<decltype(std::expm1((unsigned long)0)), double>::value), "");
987 static_assert((std::is_same<decltype(std::expm1((long long)0)), double>::value), "");
988 static_assert((std::is_same<decltype(std::expm1((unsigned long long)0)), double>::value), "");
989 static_assert((std::is_same<decltype(std::expm1((double)0)), double>::value), "");
990 static_assert((std::is_same<decltype(std::expm1((long double)0)), long double>::value), "");
991 static_assert((std::is_same<decltype(std::expm1f(0)), float>::value), "");
992 static_assert((std::is_same<decltype(std::expm1l(0)), long double>::value), "");
993 static_assert((std::is_same<decltype(expm1(Ambiguous())), Ambiguous>::value), "");
994 assert(std::expm1(0) == 0);
995 }
996
test_fdim()997 void test_fdim()
998 {
999 static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");
1000 static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");
1001 static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), "");
1002 static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");
1003 static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");
1004 static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");
1005 static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::value), "");
1006 static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");
1007 static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "");
1008 static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");
1009 static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::value), "");
1010 static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");
1011 static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "");
1012 static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), "");
1013 static_assert((std::is_same<decltype(std::fdimf(0,0)), float>::value), "");
1014 static_assert((std::is_same<decltype(std::fdiml(0,0)), long double>::value), "");
1015 static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");
1016 static_assert((std::is_same<decltype(fdim(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1017 assert(std::fdim(1,0) == 1);
1018 }
1019
test_fma()1020 void test_fma()
1021 {
1022 static_assert((std::is_same<decltype(std::fma((bool)0, (float)0, (float)0)), double>::value), "");
1023 static_assert((std::is_same<decltype(std::fma((char)0, (float)0, (float)0)), double>::value), "");
1024 static_assert((std::is_same<decltype(std::fma((unsigned)0, (float)0, (float)0)), double>::value), "");
1025 static_assert((std::is_same<decltype(std::fma((float)0, (int)0, (float)0)), double>::value), "");
1026 static_assert((std::is_same<decltype(std::fma((float)0, (long)0, (float)0)), double>::value), "");
1027 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
1028 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (double)0)), double>::value), "");
1029 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (long double)0)), long double>::value), "");
1030 static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (float)0)), float>::value), "");
1031
1032 static_assert((std::is_same<decltype(std::fma((bool)0, (double)0, (double)0)), double>::value), "");
1033 static_assert((std::is_same<decltype(std::fma((char)0, (double)0, (double)0)), double>::value), "");
1034 static_assert((std::is_same<decltype(std::fma((unsigned)0, (double)0, (double)0)), double>::value), "");
1035 static_assert((std::is_same<decltype(std::fma((double)0, (int)0, (double)0)), double>::value), "");
1036 static_assert((std::is_same<decltype(std::fma((double)0, (long)0, (double)0)), double>::value), "");
1037 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
1038 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (float)0)), double>::value), "");
1039 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (long double)0)), long double>::value), "");
1040 static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (double)0)), double>::value), "");
1041
1042 static_assert((std::is_same<decltype(std::fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
1043 static_assert((std::is_same<decltype(std::fma((char)0, (long double)0, (long double)0)), long double>::value), "");
1044 static_assert((std::is_same<decltype(std::fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
1045 static_assert((std::is_same<decltype(std::fma((long double)0, (int)0, (long double)0)), long double>::value), "");
1046 static_assert((std::is_same<decltype(std::fma((long double)0, (long)0, (long double)0)), long double>::value), "");
1047 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
1048 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (float)0)), long double>::value), "");
1049 static_assert((std::is_same<decltype(std::fma((double)0, (long double)0, (long double)0)), long double>::value), "");
1050 static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
1051
1052 static_assert((std::is_same<decltype(std::fmaf(0,0,0)), float>::value), "");
1053 static_assert((std::is_same<decltype(std::fmal(0,0,0)), long double>::value), "");
1054 static_assert((std::is_same<decltype(fma(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1055 assert(std::fma(1,1,1) == 2);
1056 }
1057
test_fmax()1058 void test_fmax()
1059 {
1060 static_assert((std::is_same<decltype(std::fmax((float)0, (float)0)), float>::value), "");
1061 static_assert((std::is_same<decltype(std::fmax((bool)0, (float)0)), double>::value), "");
1062 static_assert((std::is_same<decltype(std::fmax((unsigned short)0, (double)0)), double>::value), "");
1063 static_assert((std::is_same<decltype(std::fmax((int)0, (long double)0)), long double>::value), "");
1064 static_assert((std::is_same<decltype(std::fmax((float)0, (unsigned int)0)), double>::value), "");
1065 static_assert((std::is_same<decltype(std::fmax((double)0, (long)0)), double>::value), "");
1066 static_assert((std::is_same<decltype(std::fmax((long double)0, (unsigned long)0)), long double>::value), "");
1067 static_assert((std::is_same<decltype(std::fmax((int)0, (long long)0)), double>::value), "");
1068 static_assert((std::is_same<decltype(std::fmax((int)0, (unsigned long long)0)), double>::value), "");
1069 static_assert((std::is_same<decltype(std::fmax((double)0, (double)0)), double>::value), "");
1070 static_assert((std::is_same<decltype(std::fmax((long double)0, (long double)0)), long double>::value), "");
1071 static_assert((std::is_same<decltype(std::fmax((float)0, (double)0)), double>::value), "");
1072 static_assert((std::is_same<decltype(std::fmax((float)0, (long double)0)), long double>::value), "");
1073 static_assert((std::is_same<decltype(std::fmax((double)0, (long double)0)), long double>::value), "");
1074 static_assert((std::is_same<decltype(std::fmaxf(0,0)), float>::value), "");
1075 static_assert((std::is_same<decltype(std::fmaxl(0,0)), long double>::value), "");
1076 static_assert((std::is_same<decltype(std::fmax((int)0, (int)0)), double>::value), "");
1077 static_assert((std::is_same<decltype(fmax(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1078 assert(std::fmax(1,0) == 1);
1079 }
1080
test_fmin()1081 void test_fmin()
1082 {
1083 static_assert((std::is_same<decltype(std::fmin((float)0, (float)0)), float>::value), "");
1084 static_assert((std::is_same<decltype(std::fmin((bool)0, (float)0)), double>::value), "");
1085 static_assert((std::is_same<decltype(std::fmin((unsigned short)0, (double)0)), double>::value), "");
1086 static_assert((std::is_same<decltype(std::fmin((int)0, (long double)0)), long double>::value), "");
1087 static_assert((std::is_same<decltype(std::fmin((float)0, (unsigned int)0)), double>::value), "");
1088 static_assert((std::is_same<decltype(std::fmin((double)0, (long)0)), double>::value), "");
1089 static_assert((std::is_same<decltype(std::fmin((long double)0, (unsigned long)0)), long double>::value), "");
1090 static_assert((std::is_same<decltype(std::fmin((int)0, (long long)0)), double>::value), "");
1091 static_assert((std::is_same<decltype(std::fmin((int)0, (unsigned long long)0)), double>::value), "");
1092 static_assert((std::is_same<decltype(std::fmin((double)0, (double)0)), double>::value), "");
1093 static_assert((std::is_same<decltype(std::fmin((long double)0, (long double)0)), long double>::value), "");
1094 static_assert((std::is_same<decltype(std::fmin((float)0, (double)0)), double>::value), "");
1095 static_assert((std::is_same<decltype(std::fmin((float)0, (long double)0)), long double>::value), "");
1096 static_assert((std::is_same<decltype(std::fmin((double)0, (long double)0)), long double>::value), "");
1097 static_assert((std::is_same<decltype(std::fminf(0,0)), float>::value), "");
1098 static_assert((std::is_same<decltype(std::fminl(0,0)), long double>::value), "");
1099 static_assert((std::is_same<decltype(std::fmin((int)0, (int)0)), double>::value), "");
1100 static_assert((std::is_same<decltype(fmin(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1101 assert(std::fmin(1,0) == 0);
1102 }
1103
test_hypot()1104 void test_hypot()
1105 {
1106 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0)), float>::value), "");
1107 static_assert((std::is_same<decltype(std::hypot((bool)0, (float)0)), double>::value), "");
1108 static_assert((std::is_same<decltype(std::hypot((unsigned short)0, (double)0)), double>::value), "");
1109 static_assert((std::is_same<decltype(std::hypot((int)0, (long double)0)), long double>::value), "");
1110 static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
1111 static_assert((std::is_same<decltype(std::hypot((double)0, (long)0)), double>::value), "");
1112 static_assert((std::is_same<decltype(std::hypot((long double)0, (unsigned long)0)), long double>::value), "");
1113 static_assert((std::is_same<decltype(std::hypot((int)0, (long long)0)), double>::value), "");
1114 static_assert((std::is_same<decltype(std::hypot((int)0, (unsigned long long)0)), double>::value), "");
1115 static_assert((std::is_same<decltype(std::hypot((double)0, (double)0)), double>::value), "");
1116 static_assert((std::is_same<decltype(std::hypot((long double)0, (long double)0)), long double>::value), "");
1117 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0)), double>::value), "");
1118 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0)), long double>::value), "");
1119 static_assert((std::is_same<decltype(std::hypot((double)0, (long double)0)), long double>::value), "");
1120 static_assert((std::is_same<decltype(std::hypotf(0,0)), float>::value), "");
1121 static_assert((std::is_same<decltype(std::hypotl(0,0)), long double>::value), "");
1122 static_assert((std::is_same<decltype(std::hypot((int)0, (int)0)), double>::value), "");
1123 static_assert((std::is_same<decltype(hypot(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1124 assert(std::hypot(3,4) == 5);
1125
1126 #if TEST_STD_VER > 14
1127 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (float)0)), float>::value), "");
1128 static_assert((std::is_same<decltype(std::hypot((float)0, (bool)0, (float)0)), double>::value), "");
1129 static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned short)0, (double)0)), double>::value), "");
1130 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (long double)0)), long double>::value), "");
1131 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (long)0)), double>::value), "");
1132 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0, (unsigned long)0)), long double>::value), "");
1133 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (long long)0)), double>::value), "");
1134 static_assert((std::is_same<decltype(std::hypot((float)0, (int)0, (unsigned long long)0)), double>::value), "");
1135 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (double)0)), double>::value), "");
1136 static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0, (long double)0)), long double>::value), "");
1137 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (double)0)), double>::value), "");
1138 static_assert((std::is_same<decltype(std::hypot((float)0, (float)0, (long double)0)), long double>::value), "");
1139 static_assert((std::is_same<decltype(std::hypot((float)0, (double)0, (long double)0)), long double>::value), "");
1140 static_assert((std::is_same<decltype(std::hypot((int)0, (int)0, (int)0)), double>::value), "");
1141 static_assert((std::is_same<decltype(hypot(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1142
1143 assert(std::hypot(2,3,6) == 7);
1144 assert(std::hypot(1,4,8) == 9);
1145 #endif
1146 }
1147
test_ilogb()1148 void test_ilogb()
1149 {
1150 static_assert((std::is_same<decltype(std::ilogb((float)0)), int>::value), "");
1151 static_assert((std::is_same<decltype(std::ilogb((bool)0)), int>::value), "");
1152 static_assert((std::is_same<decltype(std::ilogb((unsigned short)0)), int>::value), "");
1153 static_assert((std::is_same<decltype(std::ilogb((int)0)), int>::value), "");
1154 static_assert((std::is_same<decltype(std::ilogb((unsigned int)0)), int>::value), "");
1155 static_assert((std::is_same<decltype(std::ilogb((long)0)), int>::value), "");
1156 static_assert((std::is_same<decltype(std::ilogb((unsigned long)0)), int>::value), "");
1157 static_assert((std::is_same<decltype(std::ilogb((long long)0)), int>::value), "");
1158 static_assert((std::is_same<decltype(std::ilogb((unsigned long long)0)), int>::value), "");
1159 static_assert((std::is_same<decltype(std::ilogb((double)0)), int>::value), "");
1160 static_assert((std::is_same<decltype(std::ilogb((long double)0)), int>::value), "");
1161 static_assert((std::is_same<decltype(std::ilogbf(0)), int>::value), "");
1162 static_assert((std::is_same<decltype(std::ilogbl(0)), int>::value), "");
1163 static_assert((std::is_same<decltype(ilogb(Ambiguous())), Ambiguous>::value), "");
1164 assert(std::ilogb(1) == 0);
1165 }
1166
test_lerp()1167 void test_lerp()
1168 {
1169 // See also "lerp.pass.cpp"
1170
1171 #if TEST_STD_VER > 17
1172 static_assert((std::is_same<decltype(std::lerp((float)0, (float)0, (float)0)), float>::value), "");
1173 static_assert((std::is_same<decltype(std::lerp((float)0, (bool)0, (float)0)), double>::value), "");
1174 static_assert((std::is_same<decltype(std::lerp((float)0, (unsigned short)0, (double)0)), double>::value), "");
1175 static_assert((std::is_same<decltype(std::lerp((float)0, (int)0, (long double)0)), long double>::value), "");
1176 static_assert((std::is_same<decltype(std::lerp((float)0, (double)0, (long)0)), double>::value), "");
1177 static_assert((std::is_same<decltype(std::lerp((float)0, (long double)0, (unsigned long)0)), long double>::value), "");
1178 static_assert((std::is_same<decltype(std::lerp((float)0, (int)0, (long long)0)), double>::value), "");
1179 static_assert((std::is_same<decltype(std::lerp((float)0, (int)0, (unsigned long long)0)), double>::value), "");
1180 static_assert((std::is_same<decltype(std::lerp((float)0, (double)0, (double)0)), double>::value), "");
1181 static_assert((std::is_same<decltype(std::lerp((float)0, (long double)0, (long double)0)), long double>::value), "");
1182 static_assert((std::is_same<decltype(std::lerp((float)0, (float)0, (double)0)), double>::value), "");
1183 static_assert((std::is_same<decltype(std::lerp((float)0, (float)0, (long double)0)), long double>::value), "");
1184 static_assert((std::is_same<decltype(std::lerp((float)0, (double)0, (long double)0)), long double>::value), "");
1185 static_assert((std::is_same<decltype(std::lerp((int)0, (int)0, (int)0)), double>::value), "");
1186 static_assert((std::is_same<decltype(lerp(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1187
1188 assert(std::lerp(2, 3, 1) == 3);
1189 assert(std::lerp(1, 3, 0.5) == 2);
1190 assert(std::lerp(0, 4.0, 0) == 0);
1191 static_assert(std::lerp(2, 3, 1) == 3);
1192 static_assert(std::lerp(1, 3, 0.5) == 2);
1193 static_assert(std::lerp(0, 4.0, 0) == 0);
1194 #endif
1195 }
1196
test_lgamma()1197 void test_lgamma()
1198 {
1199 static_assert((std::is_same<decltype(std::lgamma((float)0)), float>::value), "");
1200 static_assert((std::is_same<decltype(std::lgamma((bool)0)), double>::value), "");
1201 static_assert((std::is_same<decltype(std::lgamma((unsigned short)0)), double>::value), "");
1202 static_assert((std::is_same<decltype(std::lgamma((int)0)), double>::value), "");
1203 static_assert((std::is_same<decltype(std::lgamma((unsigned int)0)), double>::value), "");
1204 static_assert((std::is_same<decltype(std::lgamma((long)0)), double>::value), "");
1205 static_assert((std::is_same<decltype(std::lgamma((unsigned long)0)), double>::value), "");
1206 static_assert((std::is_same<decltype(std::lgamma((long long)0)), double>::value), "");
1207 static_assert((std::is_same<decltype(std::lgamma((unsigned long long)0)), double>::value), "");
1208 static_assert((std::is_same<decltype(std::lgamma((double)0)), double>::value), "");
1209 static_assert((std::is_same<decltype(std::lgamma((long double)0)), long double>::value), "");
1210 static_assert((std::is_same<decltype(std::lgammaf(0)), float>::value), "");
1211 static_assert((std::is_same<decltype(std::lgammal(0)), long double>::value), "");
1212 static_assert((std::is_same<decltype(lgamma(Ambiguous())), Ambiguous>::value), "");
1213 assert(std::lgamma(1) == 0);
1214 }
1215
test_llrint()1216 void test_llrint()
1217 {
1218 static_assert((std::is_same<decltype(std::llrint((float)0)), long long>::value), "");
1219 static_assert((std::is_same<decltype(std::llrint((bool)0)), long long>::value), "");
1220 static_assert((std::is_same<decltype(std::llrint((unsigned short)0)), long long>::value), "");
1221 static_assert((std::is_same<decltype(std::llrint((int)0)), long long>::value), "");
1222 static_assert((std::is_same<decltype(std::llrint((unsigned int)0)), long long>::value), "");
1223 static_assert((std::is_same<decltype(std::llrint((long)0)), long long>::value), "");
1224 static_assert((std::is_same<decltype(std::llrint((unsigned long)0)), long long>::value), "");
1225 static_assert((std::is_same<decltype(std::llrint((long long)0)), long long>::value), "");
1226 static_assert((std::is_same<decltype(std::llrint((unsigned long long)0)), long long>::value), "");
1227 static_assert((std::is_same<decltype(std::llrint((double)0)), long long>::value), "");
1228 static_assert((std::is_same<decltype(std::llrint((long double)0)), long long>::value), "");
1229 static_assert((std::is_same<decltype(std::llrintf(0)), long long>::value), "");
1230 static_assert((std::is_same<decltype(std::llrintl(0)), long long>::value), "");
1231 static_assert((std::is_same<decltype(llrint(Ambiguous())), Ambiguous>::value), "");
1232 assert(std::llrint(1) == 1LL);
1233 }
1234
test_llround()1235 void test_llround()
1236 {
1237 static_assert((std::is_same<decltype(std::llround((float)0)), long long>::value), "");
1238 static_assert((std::is_same<decltype(std::llround((bool)0)), long long>::value), "");
1239 static_assert((std::is_same<decltype(std::llround((unsigned short)0)), long long>::value), "");
1240 static_assert((std::is_same<decltype(std::llround((int)0)), long long>::value), "");
1241 static_assert((std::is_same<decltype(std::llround((unsigned int)0)), long long>::value), "");
1242 static_assert((std::is_same<decltype(std::llround((long)0)), long long>::value), "");
1243 static_assert((std::is_same<decltype(std::llround((unsigned long)0)), long long>::value), "");
1244 static_assert((std::is_same<decltype(std::llround((long long)0)), long long>::value), "");
1245 static_assert((std::is_same<decltype(std::llround((unsigned long long)0)), long long>::value), "");
1246 static_assert((std::is_same<decltype(std::llround((double)0)), long long>::value), "");
1247 static_assert((std::is_same<decltype(std::llround((long double)0)), long long>::value), "");
1248 static_assert((std::is_same<decltype(std::llroundf(0)), long long>::value), "");
1249 static_assert((std::is_same<decltype(std::llroundl(0)), long long>::value), "");
1250 static_assert((std::is_same<decltype(llround(Ambiguous())), Ambiguous>::value), "");
1251 assert(std::llround(1) == 1LL);
1252 }
1253
test_log1p()1254 void test_log1p()
1255 {
1256 static_assert((std::is_same<decltype(std::log1p((float)0)), float>::value), "");
1257 static_assert((std::is_same<decltype(std::log1p((bool)0)), double>::value), "");
1258 static_assert((std::is_same<decltype(std::log1p((unsigned short)0)), double>::value), "");
1259 static_assert((std::is_same<decltype(std::log1p((int)0)), double>::value), "");
1260 static_assert((std::is_same<decltype(std::log1p((unsigned int)0)), double>::value), "");
1261 static_assert((std::is_same<decltype(std::log1p((long)0)), double>::value), "");
1262 static_assert((std::is_same<decltype(std::log1p((unsigned long)0)), double>::value), "");
1263 static_assert((std::is_same<decltype(std::log1p((long long)0)), double>::value), "");
1264 static_assert((std::is_same<decltype(std::log1p((unsigned long long)0)), double>::value), "");
1265 static_assert((std::is_same<decltype(std::log1p((double)0)), double>::value), "");
1266 static_assert((std::is_same<decltype(std::log1p((long double)0)), long double>::value), "");
1267 static_assert((std::is_same<decltype(std::log1pf(0)), float>::value), "");
1268 static_assert((std::is_same<decltype(std::log1pl(0)), long double>::value), "");
1269 static_assert((std::is_same<decltype(log1p(Ambiguous())), Ambiguous>::value), "");
1270 assert(std::log1p(0) == 0);
1271 }
1272
test_log2()1273 void test_log2()
1274 {
1275 static_assert((std::is_same<decltype(std::log2((float)0)), float>::value), "");
1276 static_assert((std::is_same<decltype(std::log2((bool)0)), double>::value), "");
1277 static_assert((std::is_same<decltype(std::log2((unsigned short)0)), double>::value), "");
1278 static_assert((std::is_same<decltype(std::log2((int)0)), double>::value), "");
1279 static_assert((std::is_same<decltype(std::log2((unsigned int)0)), double>::value), "");
1280 static_assert((std::is_same<decltype(std::log2((long)0)), double>::value), "");
1281 static_assert((std::is_same<decltype(std::log2((unsigned long)0)), double>::value), "");
1282 static_assert((std::is_same<decltype(std::log2((long long)0)), double>::value), "");
1283 static_assert((std::is_same<decltype(std::log2((unsigned long long)0)), double>::value), "");
1284 static_assert((std::is_same<decltype(std::log2((double)0)), double>::value), "");
1285 static_assert((std::is_same<decltype(std::log2((long double)0)), long double>::value), "");
1286 static_assert((std::is_same<decltype(std::log2f(0)), float>::value), "");
1287 static_assert((std::is_same<decltype(std::log2l(0)), long double>::value), "");
1288 static_assert((std::is_same<decltype(log2(Ambiguous())), Ambiguous>::value), "");
1289 assert(std::log2(1) == 0);
1290 }
1291
test_logb()1292 void test_logb()
1293 {
1294 static_assert((std::is_same<decltype(std::logb((float)0)), float>::value), "");
1295 static_assert((std::is_same<decltype(std::logb((bool)0)), double>::value), "");
1296 static_assert((std::is_same<decltype(std::logb((unsigned short)0)), double>::value), "");
1297 static_assert((std::is_same<decltype(std::logb((int)0)), double>::value), "");
1298 static_assert((std::is_same<decltype(std::logb((unsigned int)0)), double>::value), "");
1299 static_assert((std::is_same<decltype(std::logb((long)0)), double>::value), "");
1300 static_assert((std::is_same<decltype(std::logb((unsigned long)0)), double>::value), "");
1301 static_assert((std::is_same<decltype(std::logb((long long)0)), double>::value), "");
1302 static_assert((std::is_same<decltype(std::logb((unsigned long long)0)), double>::value), "");
1303 static_assert((std::is_same<decltype(std::logb((double)0)), double>::value), "");
1304 static_assert((std::is_same<decltype(std::logb((long double)0)), long double>::value), "");
1305 static_assert((std::is_same<decltype(std::logbf(0)), float>::value), "");
1306 static_assert((std::is_same<decltype(std::logbl(0)), long double>::value), "");
1307 static_assert((std::is_same<decltype(logb(Ambiguous())), Ambiguous>::value), "");
1308 assert(std::logb(1) == 0);
1309 }
1310
test_lrint()1311 void test_lrint()
1312 {
1313 static_assert((std::is_same<decltype(std::lrint((float)0)), long>::value), "");
1314 static_assert((std::is_same<decltype(std::lrint((bool)0)), long>::value), "");
1315 static_assert((std::is_same<decltype(std::lrint((unsigned short)0)), long>::value), "");
1316 static_assert((std::is_same<decltype(std::lrint((int)0)), long>::value), "");
1317 static_assert((std::is_same<decltype(std::lrint((unsigned int)0)), long>::value), "");
1318 static_assert((std::is_same<decltype(std::lrint((long)0)), long>::value), "");
1319 static_assert((std::is_same<decltype(std::lrint((unsigned long)0)), long>::value), "");
1320 static_assert((std::is_same<decltype(std::lrint((long long)0)), long>::value), "");
1321 static_assert((std::is_same<decltype(std::lrint((unsigned long long)0)), long>::value), "");
1322 static_assert((std::is_same<decltype(std::lrint((double)0)), long>::value), "");
1323 static_assert((std::is_same<decltype(std::lrint((long double)0)), long>::value), "");
1324 static_assert((std::is_same<decltype(std::lrintf(0)), long>::value), "");
1325 static_assert((std::is_same<decltype(std::lrintl(0)), long>::value), "");
1326 static_assert((std::is_same<decltype(lrint(Ambiguous())), Ambiguous>::value), "");
1327 assert(std::lrint(1) == 1L);
1328 }
1329
test_lround()1330 void test_lround()
1331 {
1332 static_assert((std::is_same<decltype(std::lround((float)0)), long>::value), "");
1333 static_assert((std::is_same<decltype(std::lround((bool)0)), long>::value), "");
1334 static_assert((std::is_same<decltype(std::lround((unsigned short)0)), long>::value), "");
1335 static_assert((std::is_same<decltype(std::lround((int)0)), long>::value), "");
1336 static_assert((std::is_same<decltype(std::lround((unsigned int)0)), long>::value), "");
1337 static_assert((std::is_same<decltype(std::lround((long)0)), long>::value), "");
1338 static_assert((std::is_same<decltype(std::lround((unsigned long)0)), long>::value), "");
1339 static_assert((std::is_same<decltype(std::lround((long long)0)), long>::value), "");
1340 static_assert((std::is_same<decltype(std::lround((unsigned long long)0)), long>::value), "");
1341 static_assert((std::is_same<decltype(std::lround((double)0)), long>::value), "");
1342 static_assert((std::is_same<decltype(std::lround((long double)0)), long>::value), "");
1343 static_assert((std::is_same<decltype(std::lroundf(0)), long>::value), "");
1344 static_assert((std::is_same<decltype(std::lroundl(0)), long>::value), "");
1345 static_assert((std::is_same<decltype(lround(Ambiguous())), Ambiguous>::value), "");
1346 assert(std::lround(1) == 1L);
1347 }
1348
test_nan()1349 void test_nan()
1350 {
1351 static_assert((std::is_same<decltype(std::nan("")), double>::value), "");
1352 static_assert((std::is_same<decltype(std::nanf("")), float>::value), "");
1353 static_assert((std::is_same<decltype(std::nanl("")), long double>::value), "");
1354 }
1355
test_nearbyint()1356 void test_nearbyint()
1357 {
1358 static_assert((std::is_same<decltype(std::nearbyint((float)0)), float>::value), "");
1359 static_assert((std::is_same<decltype(std::nearbyint((bool)0)), double>::value), "");
1360 static_assert((std::is_same<decltype(std::nearbyint((unsigned short)0)), double>::value), "");
1361 static_assert((std::is_same<decltype(std::nearbyint((int)0)), double>::value), "");
1362 static_assert((std::is_same<decltype(std::nearbyint((unsigned int)0)), double>::value), "");
1363 static_assert((std::is_same<decltype(std::nearbyint((long)0)), double>::value), "");
1364 static_assert((std::is_same<decltype(std::nearbyint((unsigned long)0)), double>::value), "");
1365 static_assert((std::is_same<decltype(std::nearbyint((long long)0)), double>::value), "");
1366 static_assert((std::is_same<decltype(std::nearbyint((unsigned long long)0)), double>::value), "");
1367 static_assert((std::is_same<decltype(std::nearbyint((double)0)), double>::value), "");
1368 static_assert((std::is_same<decltype(std::nearbyint((long double)0)), long double>::value), "");
1369 static_assert((std::is_same<decltype(std::nearbyintf(0)), float>::value), "");
1370 static_assert((std::is_same<decltype(std::nearbyintl(0)), long double>::value), "");
1371 static_assert((std::is_same<decltype(nearbyint(Ambiguous())), Ambiguous>::value), "");
1372 assert(std::nearbyint(1) == 1);
1373 }
1374
test_nextafter()1375 void test_nextafter()
1376 {
1377 static_assert((std::is_same<decltype(std::nextafter((float)0, (float)0)), float>::value), "");
1378 static_assert((std::is_same<decltype(std::nextafter((bool)0, (float)0)), double>::value), "");
1379 static_assert((std::is_same<decltype(std::nextafter((unsigned short)0, (double)0)), double>::value), "");
1380 static_assert((std::is_same<decltype(std::nextafter((int)0, (long double)0)), long double>::value), "");
1381 static_assert((std::is_same<decltype(std::nextafter((float)0, (unsigned int)0)), double>::value), "");
1382 static_assert((std::is_same<decltype(std::nextafter((double)0, (long)0)), double>::value), "");
1383 static_assert((std::is_same<decltype(std::nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1384 static_assert((std::is_same<decltype(std::nextafter((int)0, (long long)0)), double>::value), "");
1385 static_assert((std::is_same<decltype(std::nextafter((int)0, (unsigned long long)0)), double>::value), "");
1386 static_assert((std::is_same<decltype(std::nextafter((double)0, (double)0)), double>::value), "");
1387 static_assert((std::is_same<decltype(std::nextafter((long double)0, (long double)0)), long double>::value), "");
1388 static_assert((std::is_same<decltype(std::nextafter((float)0, (double)0)), double>::value), "");
1389 static_assert((std::is_same<decltype(std::nextafter((float)0, (long double)0)), long double>::value), "");
1390 static_assert((std::is_same<decltype(std::nextafter((double)0, (long double)0)), long double>::value), "");
1391 static_assert((std::is_same<decltype(std::nextafterf(0,0)), float>::value), "");
1392 static_assert((std::is_same<decltype(std::nextafterl(0,0)), long double>::value), "");
1393 static_assert((std::is_same<decltype(std::nextafter((int)0, (int)0)), double>::value), "");
1394 static_assert((std::is_same<decltype(nextafter(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1395 assert(std::nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1396 }
1397
test_nexttoward()1398 void test_nexttoward()
1399 {
1400 static_assert((std::is_same<decltype(std::nexttoward((float)0, (long double)0)), float>::value), "");
1401 static_assert((std::is_same<decltype(std::nexttoward((bool)0, (long double)0)), double>::value), "");
1402 static_assert((std::is_same<decltype(std::nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1403 static_assert((std::is_same<decltype(std::nexttoward((int)0, (long double)0)), double>::value), "");
1404 static_assert((std::is_same<decltype(std::nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1405 static_assert((std::is_same<decltype(std::nexttoward((long)0, (long double)0)), double>::value), "");
1406 static_assert((std::is_same<decltype(std::nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1407 static_assert((std::is_same<decltype(std::nexttoward((long long)0, (long double)0)), double>::value), "");
1408 static_assert((std::is_same<decltype(std::nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1409 static_assert((std::is_same<decltype(std::nexttoward((double)0, (long double)0)), double>::value), "");
1410 static_assert((std::is_same<decltype(std::nexttoward((long double)0, (long double)0)), long double>::value), "");
1411 static_assert((std::is_same<decltype(std::nexttowardf(0, (long double)0)), float>::value), "");
1412 static_assert((std::is_same<decltype(std::nexttowardl(0, (long double)0)), long double>::value), "");
1413 static_assert((std::is_same<decltype(nexttoward(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1414 assert(std::nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1415 }
1416
test_remainder()1417 void test_remainder()
1418 {
1419 static_assert((std::is_same<decltype(std::remainder((float)0, (float)0)), float>::value), "");
1420 static_assert((std::is_same<decltype(std::remainder((bool)0, (float)0)), double>::value), "");
1421 static_assert((std::is_same<decltype(std::remainder((unsigned short)0, (double)0)), double>::value), "");
1422 static_assert((std::is_same<decltype(std::remainder((int)0, (long double)0)), long double>::value), "");
1423 static_assert((std::is_same<decltype(std::remainder((float)0, (unsigned int)0)), double>::value), "");
1424 static_assert((std::is_same<decltype(std::remainder((double)0, (long)0)), double>::value), "");
1425 static_assert((std::is_same<decltype(std::remainder((long double)0, (unsigned long)0)), long double>::value), "");
1426 static_assert((std::is_same<decltype(std::remainder((int)0, (long long)0)), double>::value), "");
1427 static_assert((std::is_same<decltype(std::remainder((int)0, (unsigned long long)0)), double>::value), "");
1428 static_assert((std::is_same<decltype(std::remainder((double)0, (double)0)), double>::value), "");
1429 static_assert((std::is_same<decltype(std::remainder((long double)0, (long double)0)), long double>::value), "");
1430 static_assert((std::is_same<decltype(std::remainder((float)0, (double)0)), double>::value), "");
1431 static_assert((std::is_same<decltype(std::remainder((float)0, (long double)0)), long double>::value), "");
1432 static_assert((std::is_same<decltype(std::remainder((double)0, (long double)0)), long double>::value), "");
1433 static_assert((std::is_same<decltype(std::remainderf(0,0)), float>::value), "");
1434 static_assert((std::is_same<decltype(std::remainderl(0,0)), long double>::value), "");
1435 static_assert((std::is_same<decltype(std::remainder((int)0, (int)0)), double>::value), "");
1436 static_assert((std::is_same<decltype(remainder(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1437 assert(std::remainder(0.5,1) == 0.5);
1438 }
1439
test_remquo()1440 void test_remquo()
1441 {
1442 int ip;
1443 static_assert((std::is_same<decltype(std::remquo((float)0, (float)0, &ip)), float>::value), "");
1444 static_assert((std::is_same<decltype(std::remquo((bool)0, (float)0, &ip)), double>::value), "");
1445 static_assert((std::is_same<decltype(std::remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1446 static_assert((std::is_same<decltype(std::remquo((int)0, (long double)0, &ip)), long double>::value), "");
1447 static_assert((std::is_same<decltype(std::remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1448 static_assert((std::is_same<decltype(std::remquo((double)0, (long)0, &ip)), double>::value), "");
1449 static_assert((std::is_same<decltype(std::remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1450 static_assert((std::is_same<decltype(std::remquo((int)0, (long long)0, &ip)), double>::value), "");
1451 static_assert((std::is_same<decltype(std::remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1452 static_assert((std::is_same<decltype(std::remquo((double)0, (double)0, &ip)), double>::value), "");
1453 static_assert((std::is_same<decltype(std::remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1454 static_assert((std::is_same<decltype(std::remquo((float)0, (double)0, &ip)), double>::value), "");
1455 static_assert((std::is_same<decltype(std::remquo((float)0, (long double)0, &ip)), long double>::value), "");
1456 static_assert((std::is_same<decltype(std::remquo((double)0, (long double)0, &ip)), long double>::value), "");
1457 static_assert((std::is_same<decltype(std::remquof(0,0, &ip)), float>::value), "");
1458 static_assert((std::is_same<decltype(std::remquol(0,0, &ip)), long double>::value), "");
1459 static_assert((std::is_same<decltype(std::remquo((int)0, (int)0, &ip)), double>::value), "");
1460 static_assert((std::is_same<decltype(remquo(Ambiguous(), Ambiguous(), &ip)), Ambiguous>::value), "");
1461 assert(std::remquo(0.5,1, &ip) == 0.5);
1462 }
1463
test_rint()1464 void test_rint()
1465 {
1466 static_assert((std::is_same<decltype(std::rint((float)0)), float>::value), "");
1467 static_assert((std::is_same<decltype(std::rint((bool)0)), double>::value), "");
1468 static_assert((std::is_same<decltype(std::rint((unsigned short)0)), double>::value), "");
1469 static_assert((std::is_same<decltype(std::rint((int)0)), double>::value), "");
1470 static_assert((std::is_same<decltype(std::rint((unsigned int)0)), double>::value), "");
1471 static_assert((std::is_same<decltype(std::rint((long)0)), double>::value), "");
1472 static_assert((std::is_same<decltype(std::rint((unsigned long)0)), double>::value), "");
1473 static_assert((std::is_same<decltype(std::rint((long long)0)), double>::value), "");
1474 static_assert((std::is_same<decltype(std::rint((unsigned long long)0)), double>::value), "");
1475 static_assert((std::is_same<decltype(std::rint((double)0)), double>::value), "");
1476 static_assert((std::is_same<decltype(std::rint((long double)0)), long double>::value), "");
1477 static_assert((std::is_same<decltype(std::rintf(0)), float>::value), "");
1478 static_assert((std::is_same<decltype(std::rintl(0)), long double>::value), "");
1479 static_assert((std::is_same<decltype(rint(Ambiguous())), Ambiguous>::value), "");
1480 assert(std::rint(1) == 1);
1481 }
1482
test_round()1483 void test_round()
1484 {
1485 static_assert((std::is_same<decltype(std::round((float)0)), float>::value), "");
1486 static_assert((std::is_same<decltype(std::round((bool)0)), double>::value), "");
1487 static_assert((std::is_same<decltype(std::round((unsigned short)0)), double>::value), "");
1488 static_assert((std::is_same<decltype(std::round((int)0)), double>::value), "");
1489 static_assert((std::is_same<decltype(std::round((unsigned int)0)), double>::value), "");
1490 static_assert((std::is_same<decltype(std::round((long)0)), double>::value), "");
1491 static_assert((std::is_same<decltype(std::round((unsigned long)0)), double>::value), "");
1492 static_assert((std::is_same<decltype(std::round((long long)0)), double>::value), "");
1493 static_assert((std::is_same<decltype(std::round((unsigned long long)0)), double>::value), "");
1494 static_assert((std::is_same<decltype(std::round((double)0)), double>::value), "");
1495 static_assert((std::is_same<decltype(std::round((long double)0)), long double>::value), "");
1496 static_assert((std::is_same<decltype(std::roundf(0)), float>::value), "");
1497 static_assert((std::is_same<decltype(std::roundl(0)), long double>::value), "");
1498 static_assert((std::is_same<decltype(round(Ambiguous())), Ambiguous>::value), "");
1499 assert(std::round(1) == 1);
1500 }
1501
test_scalbln()1502 void test_scalbln()
1503 {
1504 static_assert((std::is_same<decltype(std::scalbln((float)0, (long)0)), float>::value), "");
1505 static_assert((std::is_same<decltype(std::scalbln((bool)0, (long)0)), double>::value), "");
1506 static_assert((std::is_same<decltype(std::scalbln((unsigned short)0, (long)0)), double>::value), "");
1507 static_assert((std::is_same<decltype(std::scalbln((int)0, (long)0)), double>::value), "");
1508 static_assert((std::is_same<decltype(std::scalbln((unsigned int)0, (long)0)), double>::value), "");
1509 static_assert((std::is_same<decltype(std::scalbln((long)0, (long)0)), double>::value), "");
1510 static_assert((std::is_same<decltype(std::scalbln((unsigned long)0, (long)0)), double>::value), "");
1511 static_assert((std::is_same<decltype(std::scalbln((long long)0, (long)0)), double>::value), "");
1512 static_assert((std::is_same<decltype(std::scalbln((unsigned long long)0, (long)0)), double>::value), "");
1513 static_assert((std::is_same<decltype(std::scalbln((double)0, (long)0)), double>::value), "");
1514 static_assert((std::is_same<decltype(std::scalbln((long double)0, (long)0)), long double>::value), "");
1515 static_assert((std::is_same<decltype(std::scalblnf(0, (long)0)), float>::value), "");
1516 static_assert((std::is_same<decltype(std::scalblnl(0, (long)0)), long double>::value), "");
1517 static_assert((std::is_same<decltype(scalbln(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1518 assert(std::scalbln(1, 1) == 2);
1519 }
1520
test_scalbn()1521 void test_scalbn()
1522 {
1523 static_assert((std::is_same<decltype(std::scalbn((float)0, (int)0)), float>::value), "");
1524 static_assert((std::is_same<decltype(std::scalbn((bool)0, (int)0)), double>::value), "");
1525 static_assert((std::is_same<decltype(std::scalbn((unsigned short)0, (int)0)), double>::value), "");
1526 static_assert((std::is_same<decltype(std::scalbn((int)0, (int)0)), double>::value), "");
1527 static_assert((std::is_same<decltype(std::scalbn((unsigned int)0, (int)0)), double>::value), "");
1528 static_assert((std::is_same<decltype(std::scalbn((long)0, (int)0)), double>::value), "");
1529 static_assert((std::is_same<decltype(std::scalbn((unsigned long)0, (int)0)), double>::value), "");
1530 static_assert((std::is_same<decltype(std::scalbn((long long)0, (int)0)), double>::value), "");
1531 static_assert((std::is_same<decltype(std::scalbn((unsigned long long)0, (int)0)), double>::value), "");
1532 static_assert((std::is_same<decltype(std::scalbn((double)0, (int)0)), double>::value), "");
1533 static_assert((std::is_same<decltype(std::scalbn((long double)0, (int)0)), long double>::value), "");
1534 static_assert((std::is_same<decltype(std::scalbnf(0, (int)0)), float>::value), "");
1535 static_assert((std::is_same<decltype(std::scalbnl(0, (int)0)), long double>::value), "");
1536 static_assert((std::is_same<decltype(scalbn(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1537 assert(std::scalbn(1, 1) == 2);
1538 }
1539
test_tgamma()1540 void test_tgamma()
1541 {
1542 static_assert((std::is_same<decltype(std::tgamma((float)0)), float>::value), "");
1543 static_assert((std::is_same<decltype(std::tgamma((bool)0)), double>::value), "");
1544 static_assert((std::is_same<decltype(std::tgamma((unsigned short)0)), double>::value), "");
1545 static_assert((std::is_same<decltype(std::tgamma((int)0)), double>::value), "");
1546 static_assert((std::is_same<decltype(std::tgamma((unsigned int)0)), double>::value), "");
1547 static_assert((std::is_same<decltype(std::tgamma((long)0)), double>::value), "");
1548 static_assert((std::is_same<decltype(std::tgamma((unsigned long)0)), double>::value), "");
1549 static_assert((std::is_same<decltype(std::tgamma((long long)0)), double>::value), "");
1550 static_assert((std::is_same<decltype(std::tgamma((unsigned long long)0)), double>::value), "");
1551 static_assert((std::is_same<decltype(std::tgamma((double)0)), double>::value), "");
1552 static_assert((std::is_same<decltype(std::tgamma((long double)0)), long double>::value), "");
1553 static_assert((std::is_same<decltype(std::tgammaf(0)), float>::value), "");
1554 static_assert((std::is_same<decltype(std::tgammal(0)), long double>::value), "");
1555 static_assert((std::is_same<decltype(tgamma(Ambiguous())), Ambiguous>::value), "");
1556 assert(std::tgamma(1) == 1);
1557 }
1558
test_trunc()1559 void test_trunc()
1560 {
1561 static_assert((std::is_same<decltype(std::trunc((float)0)), float>::value), "");
1562 static_assert((std::is_same<decltype(std::trunc((bool)0)), double>::value), "");
1563 static_assert((std::is_same<decltype(std::trunc((unsigned short)0)), double>::value), "");
1564 static_assert((std::is_same<decltype(std::trunc((int)0)), double>::value), "");
1565 static_assert((std::is_same<decltype(std::trunc((unsigned int)0)), double>::value), "");
1566 static_assert((std::is_same<decltype(std::trunc((long)0)), double>::value), "");
1567 static_assert((std::is_same<decltype(std::trunc((unsigned long)0)), double>::value), "");
1568 static_assert((std::is_same<decltype(std::trunc((long long)0)), double>::value), "");
1569 static_assert((std::is_same<decltype(std::trunc((unsigned long long)0)), double>::value), "");
1570 static_assert((std::is_same<decltype(std::trunc((double)0)), double>::value), "");
1571 static_assert((std::is_same<decltype(std::trunc((long double)0)), long double>::value), "");
1572 static_assert((std::is_same<decltype(std::truncf(0)), float>::value), "");
1573 static_assert((std::is_same<decltype(std::truncl(0)), long double>::value), "");
1574 static_assert((std::is_same<decltype(trunc(Ambiguous())), Ambiguous>::value), "");
1575 assert(std::trunc(1) == 1);
1576 }
1577
main(int,char **)1578 int main(int, char**)
1579 {
1580 test_abs();
1581 test_acos();
1582 test_asin();
1583 test_atan();
1584 test_atan2();
1585 test_ceil();
1586 test_cos();
1587 test_cosh();
1588 test_exp();
1589 test_fabs();
1590 test_floor();
1591 test_fmod();
1592 test_frexp();
1593 test_ldexp();
1594 test_log();
1595 test_log10();
1596 test_modf();
1597 test_pow();
1598 test_sin();
1599 test_sinh();
1600 test_sqrt();
1601 test_tan();
1602 test_tanh();
1603 test_signbit();
1604 test_fpclassify();
1605 test_isfinite();
1606 test_isnormal();
1607 test_isgreater();
1608 test_isgreaterequal();
1609 test_isinf();
1610 test_isless();
1611 test_islessequal();
1612 test_islessgreater();
1613 test_isnan();
1614 test_isunordered();
1615 test_acosh();
1616 test_asinh();
1617 test_atanh();
1618 test_cbrt();
1619 test_copysign();
1620 test_erf();
1621 test_erfc();
1622 test_exp2();
1623 test_expm1();
1624 test_fdim();
1625 test_fma();
1626 test_fmax();
1627 test_fmin();
1628 test_hypot();
1629 test_ilogb();
1630 test_lerp();
1631 test_lgamma();
1632 test_llrint();
1633 test_llround();
1634 test_log1p();
1635 test_log2();
1636 test_logb();
1637 test_lrint();
1638 test_lround();
1639 test_nan();
1640 test_nearbyint();
1641 test_nextafter();
1642 test_nexttoward();
1643 test_remainder();
1644 test_remquo();
1645 test_rint();
1646 test_round();
1647 test_scalbln();
1648 test_scalbn();
1649 test_tgamma();
1650 test_trunc();
1651
1652 return 0;
1653 }
1654