1 //===-- Utility class to test the isnormal 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_ISNORMAL_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_ISNORMAL_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 IsNormalTest : public LIBC_NAMESPACE::testing::Test { 19 DECLARE_SPECIAL_CONSTANTS(T) 20 21 public: 22 typedef int (*IsNormalFunc)(T); 23 testSpecialNumbers(IsNormalFunc func)24 void testSpecialNumbers(IsNormalFunc func) { 25 EXPECT_EQ(func(aNaN), 0); 26 EXPECT_EQ(func(neg_aNaN), 0); 27 EXPECT_EQ(func(sNaN), 0); 28 EXPECT_EQ(func(neg_sNaN), 0); 29 EXPECT_EQ(func(inf), 0); 30 EXPECT_EQ(func(neg_inf), 0); 31 EXPECT_EQ(func(min_normal), 1); 32 EXPECT_EQ(func(max_normal), 1); 33 EXPECT_EQ(func(neg_max_normal), 1); 34 EXPECT_EQ(func(min_denormal), 0); 35 EXPECT_EQ(func(neg_min_denormal), 0); 36 EXPECT_EQ(func(max_denormal), 0); 37 EXPECT_EQ(func(zero), 0); 38 EXPECT_EQ(func(neg_zero), 0); 39 } 40 }; 41 42 #define LIST_ISNORMAL_TESTS(T, func) \ 43 using LlvmLibcIsNormalTest = IsNormalTest<T>; \ 44 TEST_F(LlvmLibcIsNormalTest, SpecialNumbers) { \ 45 auto isnormal_func = [](T x) { return func(x); }; \ 46 testSpecialNumbers(isnormal_func); \ 47 } 48 49 #endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISNORMAL_H 50