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
15template <typename T>
16LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_floating_point_v<T>,
17 bool>
18ValuesEqual(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 bits2.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
29template <typename T>
30LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_integral_v<T>, bool>
31ValuesEqual(T x1, T x2) {
32 return x1 == x2;
33}
34
35#endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H
36

source code of libc/fuzzing/math/Compare.h