1 //===-- flang/unittests/RuntimeGTest/Reductions.cpp -----------------------===//
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 #include "flang/Runtime/reduction.h"
10 #include "gtest/gtest.h"
11 #include "tools.h"
12 #include "flang/Runtime/allocatable.h"
13 #include "flang/Runtime/cpp-type.h"
14 #include "flang/Runtime/descriptor.h"
15 #include "flang/Runtime/type-code.h"
16 #include <cstdint>
17 #include <cstring>
18 #include <string>
19 #include <vector>
20 
21 using namespace Fortran::runtime;
22 using Fortran::common::TypeCategory;
23 
24 TEST(Reductions, Int4Ops) {
25   auto array{MakeArray<TypeCategory::Integer, 4>(
26       std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
27   std::int32_t sum{RTNAME(SumInteger4)(*array, __FILE__, __LINE__)};
28   EXPECT_EQ(sum, 21) << sum;
29   std::int32_t all{RTNAME(IAll4)(*array, __FILE__, __LINE__)};
30   EXPECT_EQ(all, 0) << all;
31   std::int32_t any{RTNAME(IAny4)(*array, __FILE__, __LINE__)};
32   EXPECT_EQ(any, 7) << any;
33   std::int32_t eor{RTNAME(IParity4)(*array, __FILE__, __LINE__)};
34   EXPECT_EQ(eor, 7) << eor;
35 }
36 
37 TEST(Reductions, DimMaskProductInt4) {
38   std::vector<int> shape{2, 3};
39   auto array{MakeArray<TypeCategory::Integer, 4>(
40       shape, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
41   auto mask{MakeArray<TypeCategory::Logical, 1>(
42       shape, std::vector<bool>{true, false, false, true, true, true})};
43   StaticDescriptor<1, true> statDesc;
44   Descriptor &prod{statDesc.descriptor()};
45   RTNAME(ProductDim)(prod, *array, 1, __FILE__, __LINE__, &*mask);
46   EXPECT_EQ(prod.rank(), 1);
47   EXPECT_EQ(prod.GetDimension(0).LowerBound(), 1);
48   EXPECT_EQ(prod.GetDimension(0).Extent(), 3);
49   EXPECT_EQ(*prod.ZeroBasedIndexedElement<std::int32_t>(0), 1);
50   EXPECT_EQ(*prod.ZeroBasedIndexedElement<std::int32_t>(1), 4);
51   EXPECT_EQ(*prod.ZeroBasedIndexedElement<std::int32_t>(2), 30);
52   EXPECT_EQ(RTNAME(SumInteger4)(prod, __FILE__, __LINE__), 35);
53   prod.Destroy();
54 }
55 
56 TEST(Reductions, DoubleMaxMinNorm2) {
57   std::vector<int> shape{3, 4, 2}; // rows, columns, planes
58   //   0  -3   6  -9     12 -15  18 -21
59   //  -1   4  -7  10    -13  16 -19  22
60   //   2  -5   8 -11     14 -17  20  22   <- note last two are equal to test
61   //   BACK=
62   std::vector<double> rawData{0, -1, 2, -3, 4, -5, 6, -7, 8, -9, 10, -11, 12,
63       -13, 14, -15, 16, -17, 18, -19, 20, -21, 22, 22};
64   auto array{MakeArray<TypeCategory::Real, 8>(shape, rawData)};
65   EXPECT_EQ(RTNAME(MaxvalReal8)(*array, __FILE__, __LINE__), 22.0);
66   EXPECT_EQ(RTNAME(MinvalReal8)(*array, __FILE__, __LINE__), -21.0);
67   double naiveNorm2{0};
68   for (auto x : rawData) {
69     naiveNorm2 += x * x;
70   }
71   naiveNorm2 = std::sqrt(naiveNorm2);
72   double norm2Error{
73       std::abs(naiveNorm2 - RTNAME(Norm2_8)(*array, __FILE__, __LINE__))};
74   EXPECT_LE(norm2Error, 0.000001 * naiveNorm2);
75   StaticDescriptor<2, true> statDesc;
76   Descriptor &loc{statDesc.descriptor()};
77   RTNAME(Maxloc)
78   (loc, *array, /*KIND=*/8, __FILE__, __LINE__, /*MASK=*/nullptr,
79       /*BACK=*/false);
80   EXPECT_EQ(loc.rank(), 1);
81   EXPECT_EQ(loc.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
82   EXPECT_EQ(loc.GetDimension(0).LowerBound(), 1);
83   EXPECT_EQ(loc.GetDimension(0).Extent(), 3);
84   EXPECT_EQ(
85       *array->Element<double>(loc.ZeroBasedIndexedElement<SubscriptValue>(0)),
86       22.0);
87   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(0), 2);
88   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(1), 4);
89   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(2), 2);
90   loc.Destroy();
91   RTNAME(Maxloc)
92   (loc, *array, /*KIND=*/8, __FILE__, __LINE__, /*MASK=*/nullptr,
93       /*BACK=*/true);
94   EXPECT_EQ(loc.rank(), 1);
95   EXPECT_EQ(loc.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
96   EXPECT_EQ(loc.GetDimension(0).LowerBound(), 1);
97   EXPECT_EQ(loc.GetDimension(0).Extent(), 3);
98   EXPECT_EQ(
99       *array->Element<double>(loc.ZeroBasedIndexedElement<SubscriptValue>(0)),
100       22.0);
101   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(0), 3);
102   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(1), 4);
103   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int64_t>(2), 2);
104   loc.Destroy();
105   RTNAME(MinlocDim)
106   (loc, *array, /*KIND=*/2, /*DIM=*/1, __FILE__, __LINE__, /*MASK=*/nullptr,
107       /*BACK=*/false);
108   EXPECT_EQ(loc.rank(), 2);
109   EXPECT_EQ(loc.type().raw(), (TypeCode{TypeCategory::Integer, 2}.raw()));
110   EXPECT_EQ(loc.GetDimension(0).LowerBound(), 1);
111   EXPECT_EQ(loc.GetDimension(0).Extent(), 4);
112   EXPECT_EQ(loc.GetDimension(1).LowerBound(), 1);
113   EXPECT_EQ(loc.GetDimension(1).Extent(), 2);
114   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(0), 2); // -1
115   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(1), 3); // -5
116   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(2), 2); // -2
117   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(3), 3); // -11
118   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(4), 2); // -13
119   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(5), 3); // -17
120   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(6), 2); // -19
121   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(7), 1); // -21
122   loc.Destroy();
123   auto mask{MakeArray<TypeCategory::Logical, 1>(shape,
124       std::vector<bool>{false, false, false, false, false, true, false, true,
125           false, false, true, true, true, false, false, true, false, true, true,
126           true, false, true, true, true})};
127   RTNAME(MaxlocDim)
128   (loc, *array, /*KIND=*/2, /*DIM=*/3, __FILE__, __LINE__, /*MASK=*/&*mask,
129       false);
130   EXPECT_EQ(loc.rank(), 2);
131   EXPECT_EQ(loc.type().raw(), (TypeCode{TypeCategory::Integer, 2}.raw()));
132   EXPECT_EQ(loc.GetDimension(0).LowerBound(), 1);
133   EXPECT_EQ(loc.GetDimension(0).Extent(), 3);
134   EXPECT_EQ(loc.GetDimension(1).LowerBound(), 1);
135   EXPECT_EQ(loc.GetDimension(1).Extent(), 4);
136   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(0), 2); // 12
137   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(1), 0);
138   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(2), 0);
139   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(3), 2); // -15
140   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(4), 0);
141   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(5), 1); // -5
142   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(6), 2); // 18
143   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(7), 1); // -7
144   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(8), 0);
145   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(9), 2); // -21
146   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(10), 2); // 22
147   EXPECT_EQ(*loc.ZeroBasedIndexedElement<std::int16_t>(11), 2); // 22
148   loc.Destroy();
149   // Test scalar result for MaxlocDim, MinlocDim, MaxvalDim, MinvalDim.
150   // A scalar result occurs when you have a rank 1 array and dim == 1.
151   std::vector<int> shape1{24};
152   auto array1{MakeArray<TypeCategory::Real, 8>(shape1, rawData)};
153   StaticDescriptor<1, true> statDesc0[1];
154   Descriptor &scalarResult{statDesc0[0].descriptor()};
155   RTNAME(MaxlocDim)
156   (scalarResult, *array1, /*KIND=*/2, /*DIM=*/1, __FILE__, __LINE__,
157       /*MASK=*/nullptr, /*BACK=*/false);
158   EXPECT_EQ(scalarResult.rank(), 0);
159   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int16_t>(0), 23);
160   scalarResult.Destroy();
161   RTNAME(MinlocDim)
162   (scalarResult, *array1, /*KIND=*/2, /*DIM=*/1, __FILE__, __LINE__,
163       /*MASK=*/nullptr, /*BACK=*/true);
164   EXPECT_EQ(scalarResult.rank(), 0);
165   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int16_t>(0), 22);
166   scalarResult.Destroy();
167   RTNAME(MaxvalDim)
168   (scalarResult, *array1, /*DIM=*/1, __FILE__, __LINE__, /*MASK=*/nullptr);
169   EXPECT_EQ(scalarResult.rank(), 0);
170   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<double>(0), 22.0);
171   scalarResult.Destroy();
172   RTNAME(MinvalDim)
173   (scalarResult, *array1, /*DIM=*/1, __FILE__, __LINE__, /*MASK=*/nullptr);
174   EXPECT_EQ(scalarResult.rank(), 0);
175   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<double>(0), -21.0);
176   scalarResult.Destroy();
177 }
178 
179 TEST(Reductions, Character) {
180   std::vector<int> shape{2, 3};
181   auto array{MakeArray<TypeCategory::Character, 1>(shape,
182       std::vector<std::string>{"abc", "def", "ghi", "jkl", "mno", "abc"}, 3)};
183   StaticDescriptor<1, true> statDesc[2];
184   Descriptor &res{statDesc[0].descriptor()};
185   RTNAME(MaxvalCharacter)(res, *array, __FILE__, __LINE__);
186   EXPECT_EQ(res.rank(), 0);
187   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Character, 1}.raw()));
188   EXPECT_EQ(std::memcmp(res.OffsetElement<char>(), "mno", 3), 0);
189   res.Destroy();
190   RTNAME(MinvalCharacter)(res, *array, __FILE__, __LINE__);
191   EXPECT_EQ(res.rank(), 0);
192   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Character, 1}.raw()));
193   EXPECT_EQ(std::memcmp(res.OffsetElement<char>(), "abc", 3), 0);
194   res.Destroy();
195   RTNAME(Maxloc)
196   (res, *array, /*KIND=*/4, __FILE__, __LINE__, /*MASK=*/nullptr,
197       /*BACK=*/false);
198   EXPECT_EQ(res.rank(), 1);
199   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
200   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
201   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
202   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
203   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 3);
204   res.Destroy();
205   auto mask{MakeArray<TypeCategory::Logical, 1>(
206       shape, std::vector<bool>{false, true, false, true, false, true})};
207   RTNAME(Maxloc)
208   (res, *array, /*KIND=*/4, __FILE__, __LINE__, /*MASK=*/&*mask,
209       /*BACK=*/false);
210   EXPECT_EQ(res.rank(), 1);
211   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
212   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
213   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
214   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 2);
215   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 2);
216   res.Destroy();
217   RTNAME(Minloc)
218   (res, *array, /*KIND=*/4, __FILE__, __LINE__, /*MASK=*/nullptr,
219       /*BACK=*/false);
220   EXPECT_EQ(res.rank(), 1);
221   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
222   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
223   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
224   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
225   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
226   res.Destroy();
227   RTNAME(Minloc)
228   (res, *array, /*KIND=*/4, __FILE__, __LINE__, /*MASK=*/nullptr,
229       /*BACK=*/true);
230   EXPECT_EQ(res.rank(), 1);
231   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
232   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
233   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
234   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 2);
235   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 3);
236   res.Destroy();
237   RTNAME(Minloc)
238   (res, *array, /*KIND=*/4, __FILE__, __LINE__, /*MASK=*/&*mask,
239       /*BACK=*/true);
240   EXPECT_EQ(res.rank(), 1);
241   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
242   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
243   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
244   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 2);
245   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 3);
246   res.Destroy();
247   static const char targetChar[]{"abc"};
248   Descriptor &target{statDesc[1].descriptor()};
249   target.Establish(1, std::strlen(targetChar),
250       const_cast<void *>(static_cast<const void *>(&targetChar)), 0, nullptr,
251       CFI_attribute_pointer);
252   RTNAME(Findloc)
253   (res, *array, target, /*KIND=*/4, __FILE__, __LINE__, nullptr,
254       /*BACK=*/false);
255   EXPECT_EQ(res.rank(), 1);
256   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
257   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
258   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
259   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
260   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
261   res.Destroy();
262   RTNAME(Findloc)
263   (res, *array, target, /*KIND=*/4, __FILE__, __LINE__, nullptr, /*BACK=*/true);
264   EXPECT_EQ(res.rank(), 1);
265   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
266   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
267   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
268   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 2);
269   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 3);
270   res.Destroy();
271 }
272 
273 TEST(Reductions, Logical) {
274   std::vector<int> shape{2, 2};
275   auto array{MakeArray<TypeCategory::Logical, 4>(
276       shape, std::vector<std::int32_t>{false, false, true, true})};
277   ASSERT_EQ(array->ElementBytes(), std::size_t{4});
278   EXPECT_EQ(RTNAME(All)(*array, __FILE__, __LINE__), false);
279   EXPECT_EQ(RTNAME(Any)(*array, __FILE__, __LINE__), true);
280   EXPECT_EQ(RTNAME(Parity)(*array, __FILE__, __LINE__), false);
281   EXPECT_EQ(RTNAME(Count)(*array, __FILE__, __LINE__), 2);
282   StaticDescriptor<2, true> statDesc[2];
283   Descriptor &res{statDesc[0].descriptor()};
284   RTNAME(AllDim)(res, *array, /*DIM=*/1, __FILE__, __LINE__);
285   EXPECT_EQ(res.rank(), 1);
286   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
287   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
288   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
289   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 0);
290   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
291   res.Destroy();
292   RTNAME(AllDim)(res, *array, /*DIM=*/2, __FILE__, __LINE__);
293   EXPECT_EQ(res.rank(), 1);
294   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
295   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
296   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
297   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 0);
298   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 0);
299   res.Destroy();
300   // Test scalar result for AllDim.
301   // A scalar result occurs when you have a rank 1 array.
302   std::vector<int> shape1{4};
303   auto array1{MakeArray<TypeCategory::Logical, 4>(
304       shape1, std::vector<std::int32_t>{false, false, true, true})};
305   StaticDescriptor<1, true> statDesc0[1];
306   Descriptor &scalarResult{statDesc0[0].descriptor()};
307   RTNAME(AllDim)(scalarResult, *array1, /*DIM=*/1, __FILE__, __LINE__);
308   EXPECT_EQ(scalarResult.rank(), 0);
309   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int32_t>(0), 0);
310   scalarResult.Destroy();
311   RTNAME(AnyDim)(res, *array, /*DIM=*/1, __FILE__, __LINE__);
312   EXPECT_EQ(res.rank(), 1);
313   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
314   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
315   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
316   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 0);
317   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
318   res.Destroy();
319   RTNAME(AnyDim)(res, *array, /*DIM=*/2, __FILE__, __LINE__);
320   EXPECT_EQ(res.rank(), 1);
321   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
322   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
323   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
324   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
325   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
326   res.Destroy();
327   // Test scalar result for AnyDim.
328   // A scalar result occurs when you have a rank 1 array.
329   RTNAME(AnyDim)(scalarResult, *array1, /*DIM=*/1, __FILE__, __LINE__);
330   EXPECT_EQ(scalarResult.rank(), 0);
331   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int32_t>(0), 1);
332   scalarResult.Destroy();
333   RTNAME(ParityDim)(res, *array, /*DIM=*/1, __FILE__, __LINE__);
334   EXPECT_EQ(res.rank(), 1);
335   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
336   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
337   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
338   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 0);
339   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 0);
340   res.Destroy();
341   RTNAME(ParityDim)(res, *array, /*DIM=*/2, __FILE__, __LINE__);
342   EXPECT_EQ(res.rank(), 1);
343   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Logical, 4}.raw()));
344   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
345   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
346   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
347   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
348   res.Destroy();
349   // Test scalar result for ParityDim.
350   // A scalar result occurs when you have a rank 1 array.
351   RTNAME(ParityDim)(scalarResult, *array1, /*DIM=*/1, __FILE__, __LINE__);
352   EXPECT_EQ(scalarResult.rank(), 0);
353   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int32_t>(0), 0);
354   scalarResult.Destroy();
355   RTNAME(CountDim)(res, *array, /*DIM=*/1, /*KIND=*/4, __FILE__, __LINE__);
356   EXPECT_EQ(res.rank(), 1);
357   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
358   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
359   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
360   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 0);
361   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 2);
362   res.Destroy();
363   RTNAME(CountDim)(res, *array, /*DIM=*/2, /*KIND=*/8, __FILE__, __LINE__);
364   EXPECT_EQ(res.rank(), 1);
365   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
366   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
367   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
368   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int64_t>(0), 1);
369   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int64_t>(1), 1);
370   res.Destroy();
371   // Test scalar result for CountDim.
372   // A scalar result occurs when you have a rank 1 array and dim == 1.
373   RTNAME(CountDim)
374   (scalarResult, *array1, /*DIM=*/1, /*KIND=*/8, __FILE__, __LINE__);
375   EXPECT_EQ(scalarResult.rank(), 0);
376   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<std::int64_t>(0), 2);
377   scalarResult.Destroy();
378   bool boolValue{false};
379   Descriptor &target{statDesc[1].descriptor()};
380   target.Establish(TypeCategory::Logical, 1, static_cast<void *>(&boolValue), 0,
381       nullptr, CFI_attribute_pointer);
382   RTNAME(Findloc)
383   (res, *array, target, /*KIND=*/4, __FILE__, __LINE__, nullptr,
384       /*BACK=*/false);
385   EXPECT_EQ(res.rank(), 1);
386   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
387   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
388   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
389   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 1);
390   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 1);
391   res.Destroy();
392   boolValue = true;
393   RTNAME(Findloc)
394   (res, *array, target, /*KIND=*/4, __FILE__, __LINE__, nullptr, /*BACK=*/true);
395   EXPECT_EQ(res.rank(), 1);
396   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
397   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
398   EXPECT_EQ(res.GetDimension(0).Extent(), 2);
399   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(0), 2);
400   EXPECT_EQ(*res.ZeroBasedIndexedElement<std::int32_t>(1), 2);
401   res.Destroy();
402 }
403 
404 TEST(Reductions, FindlocNumeric) {
405   std::vector<int> shape{2, 3};
406   auto realArray{MakeArray<TypeCategory::Real, 8>(shape,
407       std::vector<double>{0.0, -0.0, 1.0, 3.14,
408           std::numeric_limits<double>::quiet_NaN(),
409           std::numeric_limits<double>::infinity()})};
410   ASSERT_EQ(realArray->ElementBytes(), sizeof(double));
411   StaticDescriptor<2, true> statDesc[2];
412   Descriptor &res{statDesc[0].descriptor()};
413   // Find the first zero
414   Descriptor &target{statDesc[1].descriptor()};
415   double value{0.0};
416   target.Establish(TypeCategory::Real, 8, static_cast<void *>(&value), 0,
417       nullptr, CFI_attribute_pointer);
418   RTNAME(Findloc)
419   (res, *realArray, target, 8, __FILE__, __LINE__, nullptr, /*BACK=*/false);
420   EXPECT_EQ(res.rank(), 1);
421   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
422   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
423   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
424   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 1);
425   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 1);
426   res.Destroy();
427   // Find last zero (even though it's negative)
428   RTNAME(Findloc)
429   (res, *realArray, target, 8, __FILE__, __LINE__, nullptr, /*BACK=*/true);
430   EXPECT_EQ(res.rank(), 1);
431   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
432   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
433   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
434   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 2);
435   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 1);
436   res.Destroy();
437   // Find the +Inf
438   value = std::numeric_limits<double>::infinity();
439   RTNAME(Findloc)
440   (res, *realArray, target, 8, __FILE__, __LINE__, nullptr, /*BACK=*/false);
441   EXPECT_EQ(res.rank(), 1);
442   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
443   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
444   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
445   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 2);
446   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 3);
447   res.Destroy();
448   // Ensure that we can't find a NaN
449   value = std::numeric_limits<double>::quiet_NaN();
450   RTNAME(Findloc)
451   (res, *realArray, target, 8, __FILE__, __LINE__, nullptr, /*BACK=*/false);
452   EXPECT_EQ(res.rank(), 1);
453   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
454   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
455   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
456   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 0);
457   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 0);
458   res.Destroy();
459   // Find a value of a distinct type
460   int intValue{1};
461   target.Establish(TypeCategory::Integer, 4, static_cast<void *>(&intValue), 0,
462       nullptr, CFI_attribute_pointer);
463   RTNAME(Findloc)
464   (res, *realArray, target, 8, __FILE__, __LINE__, nullptr, /*BACK=*/false);
465   EXPECT_EQ(res.rank(), 1);
466   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
467   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
468   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
469   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 1);
470   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 2);
471   res.Destroy();
472   // Partial reductions
473   value = 1.0;
474   target.Establish(TypeCategory::Real, 8, static_cast<void *>(&value), 0,
475       nullptr, CFI_attribute_pointer);
476   RTNAME(FindlocDim)
477   (res, *realArray, target, 8, /*DIM=*/1, __FILE__, __LINE__, nullptr,
478       /*BACK=*/false);
479   EXPECT_EQ(res.rank(), 1);
480   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
481   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
482   EXPECT_EQ(res.GetDimension(0).UpperBound(), 3);
483   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 0);
484   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 1);
485   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(2), 0);
486   res.Destroy();
487   RTNAME(FindlocDim)
488   (res, *realArray, target, 8, /*DIM=*/2, __FILE__, __LINE__, nullptr,
489       /*BACK=*/true);
490   EXPECT_EQ(res.rank(), 1);
491   EXPECT_EQ(res.type().raw(), (TypeCode{TypeCategory::Integer, 8}.raw()));
492   EXPECT_EQ(res.GetDimension(0).LowerBound(), 1);
493   EXPECT_EQ(res.GetDimension(0).UpperBound(), 2);
494   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(0), 2);
495   EXPECT_EQ(*res.ZeroBasedIndexedElement<SubscriptValue>(1), 0);
496   res.Destroy();
497   // Test scalar result for FindlocDim.
498   // A scalar result occurs when you have a rank 1 array, value, and dim == 1.
499   std::vector<int> shape1{6};
500   auto realArray1{MakeArray<TypeCategory::Real, 8>(shape1,
501       std::vector<double>{0.0, -0.0, 1.0, 3.14,
502           std::numeric_limits<double>::quiet_NaN(),
503           std::numeric_limits<double>::infinity()})};
504   StaticDescriptor<1, true> statDesc0[1];
505   Descriptor &scalarResult{statDesc0[0].descriptor()};
506   RTNAME(FindlocDim)
507   (scalarResult, *realArray1, target, 8, /*DIM=*/1, __FILE__, __LINE__, nullptr,
508       /*BACK=*/false);
509   EXPECT_EQ(scalarResult.rank(), 0);
510   EXPECT_EQ(*scalarResult.ZeroBasedIndexedElement<SubscriptValue>(0), 3);
511   scalarResult.Destroy();
512 }
513 
514 TEST(Reductions, DotProduct) {
515   auto realVector{MakeArray<TypeCategory::Real, 8>(
516       std::vector<int>{4}, std::vector<double>{0.0, -0.0, 1.0, -2.0})};
517   EXPECT_EQ(
518       RTNAME(DotProductReal8)(*realVector, *realVector, __FILE__, __LINE__),
519       5.0);
520   auto complexVector{MakeArray<TypeCategory::Complex, 4>(std::vector<int>{4},
521       std::vector<std::complex<float>>{
522           {0.0}, {-0.0, -0.0}, {1.0, -2.0}, {-2.0, 4.0}})};
523   std::complex<double> result8;
524   RTNAME(CppDotProductComplex8)
525   (result8, *realVector, *complexVector, __FILE__, __LINE__);
526   EXPECT_EQ(result8, (std::complex<double>{5.0, -10.0}));
527   RTNAME(CppDotProductComplex8)
528   (result8, *complexVector, *realVector, __FILE__, __LINE__);
529   EXPECT_EQ(result8, (std::complex<double>{5.0, 10.0}));
530   std::complex<float> result4;
531   RTNAME(CppDotProductComplex4)
532   (result4, *complexVector, *complexVector, __FILE__, __LINE__);
533   EXPECT_EQ(result4, (std::complex<float>{25.0, 0.0}));
534   auto logicalVector1{MakeArray<TypeCategory::Logical, 1>(
535       std::vector<int>{4}, std::vector<bool>{false, false, true, true})};
536   EXPECT_TRUE(RTNAME(DotProductLogical)(
537       *logicalVector1, *logicalVector1, __FILE__, __LINE__));
538   auto logicalVector2{MakeArray<TypeCategory::Logical, 1>(
539       std::vector<int>{4}, std::vector<bool>{true, true, false, false})};
540   EXPECT_TRUE(RTNAME(DotProductLogical)(
541       *logicalVector2, *logicalVector2, __FILE__, __LINE__));
542   EXPECT_FALSE(RTNAME(DotProductLogical)(
543       *logicalVector1, *logicalVector2, __FILE__, __LINE__));
544   EXPECT_FALSE(RTNAME(DotProductLogical)(
545       *logicalVector2, *logicalVector1, __FILE__, __LINE__));
546 }
547