1 //===-- Template functions to compare scalar values -------------*- 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_FUZZING_MATH_COMPARE_H 10 #define LLVM_LIBC_FUZZING_MATH_COMPARE_H 11 12 #include "src/__support/CPP/type_traits.h" 13 #include "src/__support/FPUtil/FPBits.h" 14 15 template <typename T> 16 LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_floating_point_v<T>, 17 bool> 18 ValuesEqual(T x1, T x2) { 19 LIBC_NAMESPACE::fputil::FPBits<T> bits1(x1); 20 LIBC_NAMESPACE::fputil::FPBits<T> bits2(x2); 21 // If either is NaN, we want both to be NaN. 22 if (bits1.is_nan() || bits2.is_nan()) 23 return bits1.is_nan() && bits2.is_nan(); 24 25 // For all other values, we want the values to be bitwise equal. 26 return bits1.uintval() == bits2.uintval(); 27 } 28 29 template <typename T> 30 LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_integral_v<T>, bool> 31 ValuesEqual(T x1, T x2) { 32 return x1 == x2; 33 } 34 35 #endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H 36