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 "utils/CPP/TypeTraits.h"
13 
14 template <typename T>
15 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsFloatingPointType<T>::Value,
16                                bool>
17 ValuesEqual(T x1, T x2) {
18   __llvm_libc::fputil::FPBits<T> bits1(x1);
19   __llvm_libc::fputil::FPBits<T> bits2(x2);
20   // If either is NaN, we want both to be NaN.
21   if (bits1.isNaN() || bits2.isNaN())
22     return bits2.isNaN() && bits2.isNaN();
23 
24   // For all other values, we want the values to be bitwise equal.
25   return bits1.bitsAsUInt() == bits2.bitsAsUInt();
26 }
27 
28 template <typename T>
29 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsIntegral<T>::Value, bool>
30 ValuesEqual(T x1, T x2) {
31   return x1 == x1;
32 }
33 
34 #endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H
35