You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

35 lines
1.2 KiB

//===-- 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 "utils/CPP/TypeTraits.h"
template <typename T>
__llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsFloatingPointType<T>::Value,
bool>
ValuesEqual(T x1, T x2) {
__llvm_libc::fputil::FPBits<T> bits1(x1);
__llvm_libc::fputil::FPBits<T> bits2(x2);
// If either is NaN, we want both to be NaN.
if (bits1.isNaN() || bits2.isNaN())
return bits2.isNaN() && bits2.isNaN();
// For all other values, we want the values to be bitwise equal.
return bits1.bitsAsUInt() == bits2.bitsAsUInt();
}
template <typename T>
__llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsIntegral<T>::Value, bool>
ValuesEqual(T x1, T x2) {
return x1 == x1;
}
#endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H