1 //===-- Utility class to test different flavors of issignaling --*- 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_SRC_MATH_SMOKE_ISSIGNALINGTEST_H 10 #define LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISSIGNALINGTEST_H 11 12 #include "test/UnitTest/FEnvSafeTest.h" 13 #include "test/UnitTest/FPMatcher.h" 14 #include "test/UnitTest/Test.h" 15 16 #include "hdr/math_macros.h" 17 18 template <typename T> 19 class IsSignalingTest : public LIBC_NAMESPACE::testing::FEnvSafeTest { 20 21 DECLARE_SPECIAL_CONSTANTS(T) 22 23 public: 24 typedef int (*IsSignalingFunc)(T); 25 testSpecialNumbers(IsSignalingFunc func)26 void testSpecialNumbers(IsSignalingFunc func) { 27 EXPECT_EQ(func(aNaN), 0); 28 EXPECT_EQ(func(neg_aNaN), 0); 29 EXPECT_EQ(func(sNaN), 1); 30 EXPECT_EQ(func(neg_sNaN), 1); 31 EXPECT_EQ(func(inf), 0); 32 EXPECT_EQ(func(neg_inf), 0); 33 EXPECT_EQ(func(min_normal), 0); 34 EXPECT_EQ(func(max_normal), 0); 35 EXPECT_EQ(func(neg_max_normal), 0); 36 EXPECT_EQ(func(min_denormal), 0); 37 EXPECT_EQ(func(neg_min_denormal), 0); 38 EXPECT_EQ(func(max_denormal), 0); 39 EXPECT_EQ(func(zero), 0); 40 EXPECT_EQ(func(neg_zero), 0); 41 } 42 testRoundedNumbers(IsSignalingFunc func)43 void testRoundedNumbers(IsSignalingFunc func) { 44 EXPECT_EQ(func(T(1.0)), 0); 45 EXPECT_EQ(func(T(-1.0)), 0); 46 EXPECT_EQ(func(T(10.0)), 0); 47 EXPECT_EQ(func(T(-10.0)), 0); 48 EXPECT_EQ(func(T(1234.0)), 0); 49 EXPECT_EQ(func(T(-1234.0)), 0); 50 } 51 }; 52 53 #define LIST_ISSIGNALING_TESTS(T, func) \ 54 using LlvmLibcIsSignalingTest = IsSignalingTest<T>; \ 55 TEST_F(LlvmLibcIsSignalingTest, SpecialNumbers) { \ 56 testSpecialNumbers(&func); \ 57 } \ 58 TEST_F(LlvmLibcIsSignalingTest, RoundedNubmers) { testRoundedNumbers(&func); } 59 60 #endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_ISSIGNALINGTEST_H 61