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1 //===-- Template functions to compare scalar values -------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #ifndef LLVM_LIBC_FUZZING_MATH_COMPARE_H
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10 #define LLVM_LIBC_FUZZING_MATH_COMPARE_H
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11
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12 #include "utils/CPP/TypeTraits.h"
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13 #include "utils/FPUtil/FPBits.h"
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14
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15 template <typename T>
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16 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsFloatingPointType<T>::Value,
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17 bool>
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18 ValuesEqual(T x1, T x2) {
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19 __llvm_libc::fputil::FPBits<T> bits1(x1);
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20 __llvm_libc::fputil::FPBits<T> bits2(x2);
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21 // If either is NaN, we want both to be NaN.
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22 if (bits1.isNaN() || bits2.isNaN())
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23 return bits2.isNaN() && bits2.isNaN();
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24
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25 // For all other values, we want the values to be bitwise equal.
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26 return bits1.uintval() == bits2.uintval();
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27 }
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28
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29 template <typename T>
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30 __llvm_libc::cpp::EnableIfType<__llvm_libc::cpp::IsIntegral<T>::Value, bool>
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31 ValuesEqual(T x1, T x2) {
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32 return x1 == x1;
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33 }
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34
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35 #endif // LLVM_LIBC_FUZZING_MATH_COMPARE_H
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