1//===-- flang/unittests/Runtime/Complex.cpp ---------------------*- C++ -*-===//
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#include "gmock/gmock.h"
9#include "gtest/gtest-matchers.h"
10#include <limits>
11
12#ifdef __clang__
13#pragma clang diagnostic ignored "-Wc99-extensions"
14#endif
15
16#include "flang/Common/Fortran.h"
17#include "flang/Runtime/cpp-type.h"
18#include "flang/Runtime/entry-names.h"
19
20#include <complex>
21#include <cstdint>
22
23#ifndef _MSC_VER
24#include <complex.h>
25typedef float _Complex float_Complex_t;
26typedef double _Complex double_Complex_t;
27#else
28struct float_Complex_t {
29 float re;
30 float im;
31};
32struct double_Complex_t {
33 double re;
34 double im;
35};
36#endif
37
38extern "C" float_Complex_t RTNAME(cpowi)(
39 float_Complex_t base, std::int32_t exp);
40
41extern "C" double_Complex_t RTNAME(zpowi)(
42 double_Complex_t base, std::int32_t exp);
43
44extern "C" float_Complex_t RTNAME(cpowk)(
45 float_Complex_t base, std::int64_t exp);
46
47extern "C" double_Complex_t RTNAME(zpowk)(
48 double_Complex_t base, std::int64_t exp);
49
50static std::complex<float> cpowi(std::complex<float> base, std::int32_t exp) {
51 float_Complex_t cbase{*(float_Complex_t *)(&base)};
52 float_Complex_t cres{RTNAME(cpowi)(cbase, exp)};
53 return *(std::complex<float> *)(&cres);
54}
55
56static std::complex<double> zpowi(std::complex<double> base, std::int32_t exp) {
57 double_Complex_t cbase{*(double_Complex_t *)(&base)};
58 double_Complex_t cres{RTNAME(zpowi)(cbase, exp)};
59 return *(std::complex<double> *)(&cres);
60}
61
62static std::complex<float> cpowk(std::complex<float> base, std::int64_t exp) {
63 float_Complex_t cbase{*(float_Complex_t *)(&base)};
64 float_Complex_t cres{RTNAME(cpowk)(cbase, exp)};
65 return *(std::complex<float> *)(&cres);
66}
67
68static std::complex<double> zpowk(std::complex<double> base, std::int64_t exp) {
69 double_Complex_t cbase{*(double_Complex_t *)(&base)};
70 double_Complex_t cres{RTNAME(zpowk)(cbase, exp)};
71 return *(std::complex<double> *)(&cres);
72}
73
74MATCHER_P(ExpectComplexFloatEq, c, "") {
75 using namespace testing;
76 return ExplainMatchResult(
77 AllOf(Property(&std::complex<float>::real, FloatEq(c.real())),
78 Property(&std::complex<float>::imag, FloatEq(c.imag()))),
79 arg, result_listener);
80}
81
82MATCHER_P(ExpectComplexDoubleEq, c, "") {
83 using namespace testing;
84 return ExplainMatchResult(AllOf(Property(&std::complex<double>::real,
85 DoubleNear(c.real(), 0.00000001)),
86 Property(&std::complex<double>::imag,
87 DoubleNear(c.imag(), 0.00000001))),
88 arg, result_listener);
89}
90
91#define EXPECT_COMPLEX_FLOAT_EQ(val1, val2) \
92 EXPECT_THAT(val1, ExpectComplexFloatEq(val2))
93
94#define EXPECT_COMPLEX_DOUBLE_EQ(val1, val2) \
95 EXPECT_THAT(val1, ExpectComplexDoubleEq(val2))
96
97using namespace std::literals::complex_literals;
98
99TEST(Complex, cpowi) {
100 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, 0), 1.f + 0if);
101 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, 1), 3.f + 4if);
102
103 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, 2), -7.f + 24if);
104 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, 3), -117.f + 44if);
105 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, 4), -527.f - 336if);
106
107 EXPECT_COMPLEX_FLOAT_EQ(cpowi(3.f + 4if, -2), -0.0112f - 0.0384if);
108 EXPECT_COMPLEX_FLOAT_EQ(cpowi(2.f + 1if, 10), -237.f - 3116if);
109 EXPECT_COMPLEX_FLOAT_EQ(cpowi(0.5f + 0.6if, -10), -9.322937f - 7.2984829if);
110
111 EXPECT_COMPLEX_FLOAT_EQ(cpowi(2.f + 1if, 5), -38.f + 41if);
112 EXPECT_COMPLEX_FLOAT_EQ(cpowi(0.5f + 0.6if, -5), -1.121837f + 3.252915if);
113
114 EXPECT_COMPLEX_FLOAT_EQ(
115 cpowi(0.f + 1if, std::numeric_limits<std::int32_t>::min()), 1.f + 0if);
116}
117
118TEST(Complex, cpowk) {
119 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, 0), 1.f + 0if);
120 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, 1), 3.f + 4if);
121 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, 2), -7.f + 24if);
122 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, 3), -117.f + 44if);
123 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, 4), -527.f - 336if);
124
125 EXPECT_COMPLEX_FLOAT_EQ(cpowk(3.f + 4if, -2), -0.0112f - 0.0384if);
126 EXPECT_COMPLEX_FLOAT_EQ(cpowk(2.f + 1if, 10), -237.f - 3116if);
127 EXPECT_COMPLEX_FLOAT_EQ(cpowk(0.5f + 0.6if, -10), -9.322937f - 7.2984829if);
128
129 EXPECT_COMPLEX_FLOAT_EQ(cpowk(2.f + 1if, 5), -38.f + 41if);
130 EXPECT_COMPLEX_FLOAT_EQ(cpowk(0.5f + 0.6if, -5), -1.121837f + 3.252915if);
131
132 EXPECT_COMPLEX_FLOAT_EQ(
133 cpowk(0.f + 1if, std::numeric_limits<std::int64_t>::min()), 1.f + 0if);
134}
135
136TEST(Complex, zpowi) {
137 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, 0), 1. + 0i);
138 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, 1), 3. + 4i);
139 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, 2), -7. + 24i);
140 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, 3), -117. + 44i);
141 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, 4), -527. - 336i);
142
143 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(3. + 4i, -2), -0.0112 - 0.0384i);
144 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(2. + 1i, 10), -237. - 3116i);
145 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(0.5 + 0.6i, -10), -9.32293628 - 7.29848564i);
146
147 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(2. + 1i, 5), -38. + 41i);
148 EXPECT_COMPLEX_DOUBLE_EQ(zpowi(0.5 + 0.6i, -5), -1.12183773 + 3.25291503i);
149
150 EXPECT_COMPLEX_DOUBLE_EQ(
151 zpowi(0. + 1i, std::numeric_limits<std::int32_t>::min()), 1. + 0i);
152}
153
154TEST(Complex, zpowk) {
155 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, 0), 1. + 0i);
156 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, 1), 3. + 4i);
157 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, 2), -7. + 24i);
158 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, 3), -117. + 44i);
159 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, 4), -527. - 336i);
160
161 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(3. + 4i, -2), -0.0112 - 0.0384i);
162 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(2. + 1i, 10), -237. - 3116i);
163 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(0.5 + 0.6i, -10), -9.32293628 - 7.29848564i);
164
165 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(2. + 1i, 5l), -38. + 41i);
166 EXPECT_COMPLEX_DOUBLE_EQ(zpowk(0.5 + 0.6i, -5), -1.12183773 + 3.25291503i);
167
168 EXPECT_COMPLEX_DOUBLE_EQ(
169 zpowk(0. + 1i, std::numeric_limits<std::int64_t>::min()), 1. + 0i);
170}
171

source code of flang/unittests/Runtime/Complex.cpp