mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-25 20:16:05 +00:00

Fix for some mistakes in source code found using PVS Studio. Inspired by: https://pvs-studio.com/en/blog/posts/cpp/1188/ Fixed: - [Bug 5](https://pvs-studio.com/en/blog/posts/cpp/1188/#IDF23EA2CEAB)
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===-- Template functions to compare scalar values -------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIBC_FUZZING_MATH_COMPARE_H
|
|
#define LLVM_LIBC_FUZZING_MATH_COMPARE_H
|
|
|
|
#include "src/__support/CPP/type_traits.h"
|
|
#include "src/__support/FPUtil/FPBits.h"
|
|
|
|
template <typename T>
|
|
LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_floating_point_v<T>,
|
|
bool>
|
|
ValuesEqual(T x1, T x2) {
|
|
LIBC_NAMESPACE::fputil::FPBits<T> bits1(x1);
|
|
LIBC_NAMESPACE::fputil::FPBits<T> bits2(x2);
|
|
// If either is NaN, we want both to be NaN.
|
|
if (bits1.is_nan() || bits2.is_nan())
|
|
return bits1.is_nan() && bits2.is_nan();
|
|
|
|
// For all other values, we want the values to be bitwise equal.
|
|
return bits1.uintval() == bits2.uintval();
|
|
}
|
|
|
|
template <typename T>
|
|
LIBC_NAMESPACE::cpp::enable_if_t<LIBC_NAMESPACE::cpp::is_integral_v<T>, bool>
|
|
ValuesEqual(T x1, T x2) {
|
|
return x1 == x2;
|
|
}
|
|
|
|
#endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H
|