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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_TEST_SRC_COMPLEX_CONJTEST_H10#define LLVM_LIBC_TEST_SRC_COMPLEX_CONJTEST_H11 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 is75 // actually CMPLX(-0.0, 0.0) + CMPLX(0.0, 0.0) = 0.0 + 0.0i so to represent76 // CMPLX(-0.0, 0.0), we use -0.077 EXPECT_CFP_EQ(func(CFPT(-0.0 - 0.0i)), CFPT(-0.0));78 // This test passes because -0.0 + 0.0i is actually79 // CMPLX(-0.0, 0.0) + CMPLX(0.0, 0.0) = CMPLX(-0.0 + 0.0, 0.0) = 0.0 + 0.0i80 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_H132