1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_extendsftf2
3 //===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
4 //
5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6 // See https://llvm.org/LICENSE.txt for license information.
7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // This file tests __extendsftf2 for the compiler_rt library.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "int_lib.h"
16 #include <stdio.h>
17 
18 #if __LDBL_MANT_DIG__ == 113
19 
20 #include "fp_test.h"
21 
22 COMPILER_RT_ABI long double __extendsftf2(float a);
23 
24 int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
25 {
26     long double x = __extendsftf2(a);
27     int ret = compareResultLD(x, expectedHi, expectedLo);
28 
29     if (ret)
30     {
31         printf("error in test__extendsftf2(%f) = %.20Lf, "
32                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
33     }
34     return ret;
35 }
36 
37 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
38 
39 #endif
40 
41 int main()
42 {
43 #if __LDBL_MANT_DIG__ == 113
44     // qNaN
45     if (test__extendsftf2(makeQNaN32(),
46                           UINT64_C(0x7fff800000000000),
47                           UINT64_C(0x0)))
48         return 1;
49     // NaN
50     if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
51                           UINT64_C(0x7fff820000000000),
52                           UINT64_C(0x0)))
53         return 1;
54     // inf
55     if (test__extendsftf2(makeInf32(),
56                           UINT64_C(0x7fff000000000000),
57                           UINT64_C(0x0)))
58         return 1;
59     // zero
60     if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
61         return 1;
62 
63     if (test__extendsftf2(0x1.23456p+5f,
64                           UINT64_C(0x4004234560000000),
65                           UINT64_C(0x0)))
66         return 1;
67     if (test__extendsftf2(0x1.edcbap-9f,
68                           UINT64_C(0x3ff6edcba0000000),
69                           UINT64_C(0x0)))
70         return 1;
71     if (test__extendsftf2(0x1.23456p+45f,
72                           UINT64_C(0x402c234560000000),
73                           UINT64_C(0x0)))
74         return 1;
75     if (test__extendsftf2(0x1.edcbap-45f,
76                           UINT64_C(0x3fd2edcba0000000),
77                           UINT64_C(0x0)))
78         return 1;
79 
80 #else
81     printf("skipped\n");
82 
83 #endif
84     return 0;
85 }
86