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/TypeTraits.h"
13 #include "src/__support/FPUtil/FPBits.h"
14 
15 template <typename T>
16 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsFloatingPointType<T>::Value,
17                                bool>
ValuesEqual(T x1,T x2)18 ValuesEqual(T x1, T x2) {
19   __llvm_libc::fputil::FPBits<T> bits1(x1);
20   __llvm_libc::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 
29 template <typename T>
30 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsIntegral<T>::Value, bool>
ValuesEqual(T x1,T x2)31 ValuesEqual(T x1, T x2) {
32   return x1 == x1;
33 }
34 
35 #endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H
36