1*71db0c75SAndroid Build Coastguard Worker //===-- Utility class to test roundeven[f|l] --------------------*- C++ -*-===// 2*71db0c75SAndroid Build Coastguard Worker // 3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information. 5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*71db0c75SAndroid Build Coastguard Worker // 7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 8*71db0c75SAndroid Build Coastguard Worker 9*71db0c75SAndroid Build Coastguard Worker #ifndef LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDEVENTEST_H 10*71db0c75SAndroid Build Coastguard Worker #define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDEVENTEST_H 11*71db0c75SAndroid Build Coastguard Worker 12*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/FEnvSafeTest.h" 13*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/FPMatcher.h" 14*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/Test.h" 15*71db0c75SAndroid Build Coastguard Worker 16*71db0c75SAndroid Build Coastguard Worker #include "hdr/math_macros.h" 17*71db0c75SAndroid Build Coastguard Worker 18*71db0c75SAndroid Build Coastguard Worker template <typename T> 19*71db0c75SAndroid Build Coastguard Worker class RoundEvenTest : public LIBC_NAMESPACE::testing::FEnvSafeTest { 20*71db0c75SAndroid Build Coastguard Worker 21*71db0c75SAndroid Build Coastguard Worker DECLARE_SPECIAL_CONSTANTS(T) 22*71db0c75SAndroid Build Coastguard Worker 23*71db0c75SAndroid Build Coastguard Worker public: 24*71db0c75SAndroid Build Coastguard Worker typedef T (*RoundEvenFunc)(T); 25*71db0c75SAndroid Build Coastguard Worker testSpecialNumbers(RoundEvenFunc func)26*71db0c75SAndroid Build Coastguard Worker void testSpecialNumbers(RoundEvenFunc func) { 27*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(zero, func(zero)); 28*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(neg_zero, func(neg_zero)); 29*71db0c75SAndroid Build Coastguard Worker 30*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(inf, func(inf)); 31*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(neg_inf, func(neg_inf)); 32*71db0c75SAndroid Build Coastguard Worker 33*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(aNaN, func(aNaN)); 34*71db0c75SAndroid Build Coastguard Worker } 35*71db0c75SAndroid Build Coastguard Worker testRoundedNumbers(RoundEvenFunc func)36*71db0c75SAndroid Build Coastguard Worker void testRoundedNumbers(RoundEvenFunc func) { 37*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(1.0), func(T(1.0))); 38*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-1.0), func(T(-1.0))); 39*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(10.0), func(T(10.0))); 40*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-10.0), func(T(-10.0))); 41*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(1234.0), func(T(1234.0))); 42*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-1234.0), func(T(-1234.0))); 43*71db0c75SAndroid Build Coastguard Worker } 44*71db0c75SAndroid Build Coastguard Worker testFractions(RoundEvenFunc func)45*71db0c75SAndroid Build Coastguard Worker void testFractions(RoundEvenFunc func) { 46*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(0.0), func(T(0.5))); 47*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-0.0), func(T(-0.5))); 48*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(0.0), func(T(0.115))); 49*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-0.0), func(T(-0.115))); 50*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(1.0), func(T(0.715))); 51*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-1.0), func(T(-0.715))); 52*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(2.0), func(T(1.5))); 53*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-2.0), func(T(-1.5))); 54*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(2.0), func(T(1.75))); 55*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-2.0), func(T(-1.75))); 56*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(10.0), func(T(10.50))); 57*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-10.0), func(T(-10.50))); 58*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(11.0), func(T(10.65))); 59*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-11.0), func(T(-10.65))); 60*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(124.0), func(T(124.50))); 61*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-124.0), func(T(-124.50))); 62*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(126.0), func(T(125.50))); 63*71db0c75SAndroid Build Coastguard Worker EXPECT_FP_EQ(T(-126.0), func(T(-125.50))); 64*71db0c75SAndroid Build Coastguard Worker } 65*71db0c75SAndroid Build Coastguard Worker }; 66*71db0c75SAndroid Build Coastguard Worker 67*71db0c75SAndroid Build Coastguard Worker #define LIST_ROUNDEVEN_TESTS(T, func) \ 68*71db0c75SAndroid Build Coastguard Worker using LlvmLibcRoundEvenTest = RoundEvenTest<T>; \ 69*71db0c75SAndroid Build Coastguard Worker TEST_F(LlvmLibcRoundEvenTest, SpecialNumbers) { testSpecialNumbers(&func); } \ 70*71db0c75SAndroid Build Coastguard Worker TEST_F(LlvmLibcRoundEvenTest, RoundedNubmers) { testRoundedNumbers(&func); } \ 71*71db0c75SAndroid Build Coastguard Worker TEST_F(LlvmLibcRoundEvenTest, Fractions) { testFractions(&func); } 72*71db0c75SAndroid Build Coastguard Worker 73*71db0c75SAndroid Build Coastguard Worker #endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ROUNDEVENTEST_H 74