File: Compare.h

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (35 lines) | stat: -rw-r--r-- 1,228 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
//===-- 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/TypeTraits.h"
#include "src/__support/FPUtil/FPBits.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.is_nan() || bits2.is_nan())
    return bits2.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>
__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