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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_ISSUBNORMAL_H 11 12 #include "test/UnitTest/FPMatcher.h" 13 #include "test/UnitTest/Test.h" 14 15 #include "include/llvm-libc-macros/math-function-macros.h" 16 17 template <typename T> 18 class IsSubnormalTest : public LIBC_NAMESPACE::testing::Test { 19 DECLARE_SPECIAL_CONSTANTS(T) 20 21 public: 22 typedef bool (*IsSubnormalFunc)(T); 23 testSpecialNumbers(IsSubnormalFunc func)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_H 50