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1//===-- Utility class to test the issubnormal macro ------------*- 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_INCLUDE_MATH_ISSUBNORMAL_H10#define LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H11 12#include "test/UnitTest/FPMatcher.h"13#include "test/UnitTest/Test.h"14 15#include "include/llvm-libc-macros/math-function-macros.h"16 17template <typename T>18class IsSubnormalTest : public LIBC_NAMESPACE::testing::Test {19 DECLARE_SPECIAL_CONSTANTS(T)20 21public:22 typedef bool (*IsSubnormalFunc)(T);23 24 void testSpecialNumbers(IsSubnormalFunc func) {25 EXPECT_FALSE(func(aNaN));26 EXPECT_FALSE(func(neg_aNaN));27 EXPECT_FALSE(func(sNaN));28 EXPECT_FALSE(func(neg_sNaN));29 EXPECT_FALSE(func(inf));30 EXPECT_FALSE(func(neg_inf));31 EXPECT_FALSE(func(min_normal));32 EXPECT_FALSE(func(max_normal));33 EXPECT_FALSE(func(neg_max_normal));34 EXPECT_TRUE(func(min_denormal));35 EXPECT_TRUE(func(neg_min_denormal));36 EXPECT_TRUE(func(max_denormal));37 EXPECT_FALSE(func(zero));38 EXPECT_FALSE(func(neg_zero));39 }40};41 42#define LIST_ISSUBNORMAL_TESTS(T, func) \43 using LlvmLibcIsSubnormalTest = IsSubnormalTest<T>; \44 TEST_F(LlvmLibcIsSubnormalTest, SpecialNumbers) { \45 auto issubnormal_func = [](T x) { return func(x); }; \46 testSpecialNumbers(issubnormal_func); \47 }48 49#endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H50