| //===-- Utility class to test different flavors of rint ---------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_TEST_SRC_MATH_SMOKE_RINTTEST_H |
| #define LLVM_LIBC_TEST_SRC_MATH_SMOKE_RINTTEST_H |
| |
| #include "src/__support/FPUtil/FEnvImpl.h" |
| #include "src/__support/FPUtil/FPBits.h" |
| #include "test/UnitTest/FEnvSafeTest.h" |
| #include "test/UnitTest/FPMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include "hdr/fenv_macros.h" |
| #include "hdr/math_macros.h" |
| #include <stdio.h> |
| |
| static constexpr int ROUNDING_MODES[4] = {FE_UPWARD, FE_DOWNWARD, FE_TOWARDZERO, |
| FE_TONEAREST}; |
| |
| template <typename T> |
| class RIntTestTemplate : public LIBC_NAMESPACE::testing::FEnvSafeTest { |
| public: |
| typedef T (*RIntFunc)(T); |
| |
| private: |
| using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>; |
| using StorageType = typename FPBits::StorageType; |
| |
| const T inf = FPBits::inf(Sign::POS).get_val(); |
| const T neg_inf = FPBits::inf(Sign::NEG).get_val(); |
| const T zero = FPBits::zero(Sign::POS).get_val(); |
| const T neg_zero = FPBits::zero(Sign::NEG).get_val(); |
| const T nan = FPBits::quiet_nan().get_val(); |
| |
| public: |
| void testSpecialNumbers(RIntFunc func) { |
| for (int mode : ROUNDING_MODES) { |
| LIBC_NAMESPACE::fputil::set_round(mode); |
| ASSERT_FP_EQ(inf, func(inf)); |
| ASSERT_FP_EQ(neg_inf, func(neg_inf)); |
| ASSERT_FP_EQ(nan, func(nan)); |
| ASSERT_FP_EQ(zero, func(zero)); |
| ASSERT_FP_EQ(neg_zero, func(neg_zero)); |
| } |
| } |
| }; |
| |
| #define LIST_RINT_TESTS(F, func) \ |
| using LlvmLibcRIntTest = RIntTestTemplate<F>; \ |
| TEST_F(LlvmLibcRIntTest, specialNumbers) { testSpecialNumbers(&func); } |
| |
| #endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_RINTTEST_H |