| //===-- Utility class to test different flavors of nextdown -----*- 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_NEXTDOWNTEST_H |
| #define LLVM_LIBC_TEST_SRC_MATH_NEXTDOWNTEST_H |
| |
| #include "test/UnitTest/FEnvSafeTest.h" |
| #include "test/UnitTest/FPMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| template <typename T> |
| class NextDownTestTemplate : public LIBC_NAMESPACE::testing::FEnvSafeTest { |
| |
| DECLARE_SPECIAL_CONSTANTS(T) |
| |
| public: |
| typedef T (*NextDownFunc)(T); |
| |
| void testNaN(NextDownFunc func) { ASSERT_FP_EQ(func(aNaN), aNaN); } |
| |
| void testBoundaries(NextDownFunc func) { |
| ASSERT_FP_EQ(zero, func(min_denormal)); |
| |
| ASSERT_FP_EQ(neg_min_denormal, func(zero)); |
| ASSERT_FP_EQ(neg_min_denormal, func(neg_zero)); |
| |
| ASSERT_FP_EQ(neg_max_normal, func(neg_max_normal)); |
| ASSERT_FP_EQ(neg_inf, func(neg_inf)); |
| |
| ASSERT_FP_EQ(max_normal, func(inf)); |
| } |
| }; |
| |
| #define LIST_NEXTDOWN_TESTS(T, func) \ |
| using LlvmLibcNextDownTest = NextDownTestTemplate<T>; \ |
| TEST_F(LlvmLibcNextDownTest, TestNaN) { testNaN(&func); } \ |
| TEST_F(LlvmLibcNextDownTest, TestBoundaries) { testBoundaries(&func); } |
| |
| #endif // LLVM_LIBC_TEST_SRC_MATH_NEXTDOWNTEST_H |