1 //===-- Utility class to test different flavors of creal --------*- 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_CREALTEST_H 10 #define LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_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 18 template <typename CFPT, typename FPT> 19 class CRealTest : public LIBC_NAMESPACE::testing::FEnvSafeTest { 20 21 DECLARE_SPECIAL_CONSTANTS(FPT) 22 23 public: 24 typedef FPT (*CRealFunc)(CFPT); 25 testSpecialNumbers(CRealFunc func)26 void testSpecialNumbers(CRealFunc func) { 27 EXPECT_FP_EQ(func(CFPT(aNaN + 67.123i)), aNaN); 28 EXPECT_FP_EQ(func(CFPT(neg_aNaN + 78.319i)), neg_aNaN); 29 EXPECT_FP_EQ(func(CFPT(sNaN + 7813.131i)), sNaN); 30 EXPECT_FP_EQ(func(CFPT(neg_sNaN + 7824.152i)), neg_sNaN); 31 EXPECT_FP_EQ(func(CFPT(inf + 9024.2442i)), inf); 32 EXPECT_FP_EQ(func(CFPT(neg_inf + 8923.124i)), neg_inf); 33 EXPECT_FP_EQ(func(CFPT(min_normal + 782.124i)), min_normal); 34 EXPECT_FP_EQ(func(CFPT(max_normal + 2141.2352i)), max_normal); 35 EXPECT_FP_EQ(func(CFPT(neg_max_normal + 341.134i)), neg_max_normal); 36 EXPECT_FP_EQ(func(CFPT(min_denormal + 781.142i)), min_denormal); 37 EXPECT_FP_EQ(func(CFPT(neg_min_denormal + 781.134i)), neg_min_denormal); 38 EXPECT_FP_EQ(func(CFPT(max_denormal + 1241.112i)), max_denormal); 39 EXPECT_FP_EQ(func(CFPT(zero + 121.121i)), zero); 40 EXPECT_FP_EQ(func(CFPT(0.0 + 0.0i)), zero); 41 EXPECT_FP_EQ(func(CFPT(-0.0 + 0.0i)), zero); 42 EXPECT_FP_EQ(func(CFPT(0.0 - 0.0i)), zero); 43 EXPECT_FP_EQ(func(CFPT(-0.0 - 0.0i)), neg_zero); 44 EXPECT_FP_EQ(func(CFPT(0.0)), zero); 45 EXPECT_FP_EQ(func(CFPT(-0.0)), neg_zero); 46 EXPECT_FP_EQ(func(CFPT(0.0i)), zero); 47 EXPECT_FP_EQ(func(CFPT(-0.0i)), neg_zero); 48 } 49 testRoundedNumbers(CRealFunc func)50 void testRoundedNumbers(CRealFunc func) { 51 EXPECT_FP_EQ(func((CFPT)(4523.1413 + 12413.1414i)), (FPT)(4523.1413)); 52 EXPECT_FP_EQ(func((CFPT)(-4523.1413 + 12413.1414i)), (FPT)(-4523.1413)); 53 EXPECT_FP_EQ(func((CFPT)(4523.1413 - 12413.1414i)), (FPT)(4523.1413)); 54 EXPECT_FP_EQ(func((CFPT)(-4523.1413 - 12413.1414i)), (FPT)(-4523.1413)); 55 56 EXPECT_FP_EQ(func((CFPT)(3210.5678 + 9876.5432i)), (FPT)(3210.5678)); 57 EXPECT_FP_EQ(func((CFPT)(-3210.5678 + 9876.5432i)), (FPT)(-3210.5678)); 58 EXPECT_FP_EQ(func((CFPT)(3210.5678 - 9876.5432i)), (FPT)(3210.5678)); 59 EXPECT_FP_EQ(func((CFPT)(-3210.5678 - 9876.5432i)), (FPT)(-3210.5678)); 60 61 EXPECT_FP_EQ(func((CFPT)(1234.4321 + 4321.1234i)), (FPT)(1234.4321)); 62 EXPECT_FP_EQ(func((CFPT)(-1234.4321 + 4321.1234i)), (FPT)(-1234.4321)); 63 EXPECT_FP_EQ(func((CFPT)(1234.4321 - 4321.1234i)), (FPT)(1234.4321)); 64 EXPECT_FP_EQ(func((CFPT)(-1234.4321 - 4321.1234i)), (FPT)(-1234.4321)); 65 66 EXPECT_FP_EQ(func((CFPT)(6789.1234 + 8765.6789i)), (FPT)(6789.1234)); 67 EXPECT_FP_EQ(func((CFPT)(-6789.1234 + 8765.6789i)), (FPT)(-6789.1234)); 68 EXPECT_FP_EQ(func((CFPT)(6789.1234 - 8765.6789i)), (FPT)(6789.1234)); 69 EXPECT_FP_EQ(func((CFPT)(-6789.1234 - 8765.6789i)), (FPT)(-6789.1234)); 70 } 71 }; 72 73 #define LIST_CREAL_TESTS(U, T, func) \ 74 using LlvmLibcCRealTest = CRealTest<U, T>; \ 75 TEST_F(LlvmLibcCRealTest, SpecialNumbers) { testSpecialNumbers(&func); } \ 76 TEST_F(LlvmLibcCRealTest, RoundedNumbers) { testRoundedNumbers(&func); } 77 78 #endif // LLVM_LIBC_TEST_SRC_COMPLEX_CREALTEST_H 79