1//===-- Utility class to test different flavors of conj ---------*- 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
9#ifndef LLVM_LIBC_TEST_SRC_COMPLEX_CONJTEST_H
10#define LLVM_LIBC_TEST_SRC_COMPLEX_CONJTEST_H
11
12#include "test/UnitTest/FEnvSafeTest.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16#include "hdr/math_macros.h"
17
18template <typename CFPT, typename FPT>
19class ConjTest : public LIBC_NAMESPACE::testing::FEnvSafeTest {
20
21 DECLARE_SPECIAL_CONSTANTS(FPT)
22
23public:
24 typedef CFPT (*ConjFunc)(CFPT);
25
26 void testSpecialNumbers(ConjFunc func) {
27 EXPECT_CFP_EQ(func(CFPT(aNaN + 67.123i)), CFPT(aNaN - 67.123i));
28 EXPECT_CFP_EQ(func(CFPT(neg_aNaN + 78.319i)), CFPT(neg_aNaN - 78.319i));
29 EXPECT_CFP_EQ(func(CFPT(sNaN + 7813.131i)), CFPT(sNaN - 7813.131i));
30 EXPECT_CFP_EQ(func(CFPT(neg_sNaN + 7824.152i)), CFPT(neg_sNaN - 7824.152i));
31 EXPECT_CFP_EQ(func(CFPT(inf + 9024.2442i)), CFPT(inf - 9024.2442i));
32 EXPECT_CFP_EQ(func(CFPT(neg_inf + 8923.124i)), CFPT(neg_inf - 8923.124i));
33 EXPECT_CFP_EQ(func(CFPT(min_normal + 782.124i)),
34 CFPT(min_normal - 782.124i));
35 EXPECT_CFP_EQ(func(CFPT(max_normal + 2141.2352i)),
36 CFPT(max_normal - 2141.2352i));
37 EXPECT_CFP_EQ(func(CFPT(neg_max_normal + 341.134i)),
38 CFPT(neg_max_normal - 341.134i));
39 EXPECT_CFP_EQ(func(CFPT(min_denormal + 781.142i)),
40 CFPT(min_denormal - 781.142i));
41 EXPECT_CFP_EQ(func(CFPT(neg_min_denormal + 781.134i)),
42 CFPT(neg_min_denormal - 781.134i));
43 EXPECT_CFP_EQ(func(CFPT(max_denormal + 1241.112i)),
44 CFPT(max_denormal - 1241.112i));
45 EXPECT_CFP_EQ(func(CFPT(zero + 121.121i)), CFPT(zero - 121.121i));
46 EXPECT_CFP_EQ(func(CFPT(67.123 + aNaN * 1.0i)), CFPT(67.123 - aNaN * 1.0i));
47 EXPECT_CFP_EQ(func(CFPT(78.319 + neg_aNaN * 1.0i)),
48 CFPT(78.319 - neg_aNaN * 1.0i));
49 EXPECT_CFP_EQ(func(CFPT(7813.131 + sNaN * 1.0i)),
50 CFPT(7813.131 - sNaN * 1.0i));
51 EXPECT_CFP_EQ(func(CFPT(7824.152 + neg_sNaN * 1.0i)),
52 CFPT(7824.152 - neg_sNaN * 1.0i));
53 EXPECT_CFP_EQ(func(CFPT(9024.2442 + inf * 1.0i)),
54 CFPT(9024.2442 - inf * 1.0i));
55 EXPECT_CFP_EQ(func(CFPT(8923.124 + neg_inf * 1.0i)),
56 CFPT(8923.124 - neg_inf * 1.0i));
57 EXPECT_CFP_EQ(func(CFPT(782.124 + min_normal * 1.0i)),
58 CFPT(782.124 - min_normal * 1.0i));
59 EXPECT_CFP_EQ(func(CFPT(2141.2352 + max_normal * 1.0i)),
60 CFPT(2141.2352 - max_normal * 1.0i));
61 EXPECT_CFP_EQ(func(CFPT(341.134 + neg_max_normal * 1.0i)),
62 CFPT(341.134 - neg_max_normal * 1.0i));
63 EXPECT_CFP_EQ(func(CFPT(781.142 + min_denormal * 1.0i)),
64 CFPT(781.142 - min_denormal * 1.0i));
65 EXPECT_CFP_EQ(func(CFPT(781.134 + neg_min_denormal * 1.0i)),
66 CFPT(781.134 - neg_min_denormal * 1.0i));
67 EXPECT_CFP_EQ(func(CFPT(1241.112 + max_denormal * 1.0i)),
68 CFPT(1241.112 - max_denormal * 1.0i));
69 EXPECT_CFP_EQ(func(CFPT(121.121 + zero * 1.0i)),
70 CFPT(121.121 - zero * 1.0i));
71 EXPECT_CFP_EQ(func(CFPT(0.0 - 0.0i)), CFPT(0.0 + 0.0i));
72 EXPECT_CFP_EQ(func(CFPT(0.0 + 0.0i)), CFPT(0.0 - 0.0i));
73 // This test passes because the conjugate of -0.0 - 0.0i is CMPLX(-0.0, 0.0)
74 // which cannot be represented as -0.0 + 0.0i because -0.0 + 0.0i is
75 // actually CMPLX(-0.0, 0.0) + CMPLX(0.0, 0.0) = 0.0 + 0.0i so to represent
76 // CMPLX(-0.0, 0.0), we use -0.0
77 EXPECT_CFP_EQ(func(CFPT(-0.0 - 0.0i)), CFPT(-0.0));
78 // This test passes because -0.0 + 0.0i is actually
79 // CMPLX(-0.0, 0.0) + CMPLX(0.0, 0.0) = CMPLX(-0.0 + 0.0, 0.0) = 0.0 + 0.0i
80 EXPECT_CFP_EQ(func(CFPT(-0.0 + 0.0i)), CFPT(0.0 - 0.0i));
81 EXPECT_CFP_EQ(func(CFPT(0.0)), CFPT(0.0 - 0.0i));
82 EXPECT_CFP_EQ(func(CFPT(-0.0)), CFPT(-0.0 - 0.0i));
83 EXPECT_CFP_EQ(func(CFPT(0.0i)), CFPT(0.0 - 0.0i));
84 EXPECT_CFP_EQ(func(CFPT(-0.0i)), CFPT(-0.0));
85 }
86
87 void testRoundedNumbers(ConjFunc func) {
88 EXPECT_CFP_EQ(func((CFPT)(4523.1413 + 12413.1414i)),
89 CFPT(4523.1413 - 12413.1414i));
90 EXPECT_CFP_EQ(func((CFPT)(-4523.1413 + 12413.1414i)),
91 CFPT(-4523.1413 - 12413.1414i));
92 EXPECT_CFP_EQ(func((CFPT)(4523.1413 - 12413.1414i)),
93 CFPT(4523.1413 + 12413.1414i));
94 EXPECT_CFP_EQ(func((CFPT)(-4523.1413 - 12413.1414i)),
95 CFPT(-4523.1413 + 12413.1414i));
96
97 EXPECT_CFP_EQ(func((CFPT)(3210.5678 + 9876.5432i)),
98 CFPT(3210.5678 - 9876.5432i));
99 EXPECT_CFP_EQ(func((CFPT)(-3210.5678 + 9876.5432i)),
100 CFPT(-3210.5678 - 9876.5432i));
101 EXPECT_CFP_EQ(func((CFPT)(3210.5678 - 9876.5432i)),
102 CFPT(3210.5678 + 9876.5432i));
103 EXPECT_CFP_EQ(func((CFPT)(-3210.5678 - 9876.5432i)),
104 CFPT(-3210.5678 + 9876.5432i));
105
106 EXPECT_CFP_EQ(func((CFPT)(1234.4321 + 4321.1234i)),
107 CFPT(1234.4321 - 4321.1234i));
108 EXPECT_CFP_EQ(func((CFPT)(-1234.4321 + 4321.1234i)),
109 CFPT(-1234.4321 - 4321.1234i));
110 EXPECT_CFP_EQ(func((CFPT)(1234.4321 - 4321.1234i)),
111 CFPT(1234.4321 + 4321.1234i));
112 EXPECT_CFP_EQ(func((CFPT)(-1234.4321 - 4321.1234i)),
113 CFPT(-1234.4321 + 4321.1234i));
114
115 EXPECT_CFP_EQ(func((CFPT)(6789.1234 + 8765.6789i)),
116 CFPT(6789.1234 - 8765.6789i));
117 EXPECT_CFP_EQ(func((CFPT)(-6789.1234 + 8765.6789i)),
118 CFPT(-6789.1234 - 8765.6789i));
119 EXPECT_CFP_EQ(func((CFPT)(6789.1234 - 8765.6789i)),
120 CFPT(6789.1234 + 8765.6789i));
121 EXPECT_CFP_EQ(func((CFPT)(-6789.1234 - 8765.6789i)),
122 CFPT(-6789.1234 + 8765.6789i));
123 }
124};
125
126#define LIST_CONJ_TESTS(U, T, func) \
127 using LlvmLibcConjTest = ConjTest<U, T>; \
128 TEST_F(LlvmLibcConjTest, SpecialNumbers) { testSpecialNumbers(&func); } \
129 TEST_F(LlvmLibcConjTest, RoundedNumbers) { testRoundedNumbers(&func); }
130
131#endif // LLVM_LIBC_TEST_SRC_COMPLEX_CONJTEST_H
132

source code of libc/test/src/complex/ConjTest.h