1 //===-- Utility class to test the isnan macro [f|l] -------------*- 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 nanormation. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_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> class IsNanTest : public LIBC_NAMESPACE::testing::Test { 18 19 DECLARE_SPECIAL_CONSTANTS(T) 20 21 public: 22 typedef int (*IsNanFunc)(T); 23 testSpecialNumbers(IsNanFunc func)24 void testSpecialNumbers(IsNanFunc func) { 25 EXPECT_EQ(func(zero), 0); 26 EXPECT_EQ(func(neg_zero), 0); 27 EXPECT_EQ(func(aNaN), 1); 28 EXPECT_EQ(func(sNaN), 1); 29 } 30 }; 31 32 #define LIST_ISNAN_TESTS(T, func) \ 33 using LlvmLibcIsNanTest = IsNanTest<T>; \ 34 TEST_F(LlvmLibcIsNanTest, SpecialNumbers) { \ 35 auto isnan_func = [](T x) { return func(x); }; \ 36 testSpecialNumbers(isnan_func); \ 37 } 38 39 #endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_H 40