1 //===-- Template to diff two-input-single-output functions ------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_LIBC_FUZZING_MATH_TWO_INPUT_SINGLE_OUTPUT_DIFF_H
10 #define LLVM_LIBC_FUZZING_MATH_TWO_INPUT_SINGLE_OUTPUT_DIFF_H
12 #include "fuzzing/math/Compare.h"
13 #include "src/__support/FPUtil/FPBits.h"
19 template <typename T1
, typename T2
>
20 using TwoInputSingleOutputFunc
= T1 (*)(T1
, T2
);
22 template <typename T1
, typename T2
>
23 void TwoInputSingleOutputDiff(TwoInputSingleOutputFunc
<T1
, T2
> func1
,
24 TwoInputSingleOutputFunc
<T1
, T2
> func2
,
25 const uint8_t *data
, size_t size
) {
26 constexpr size_t t1Size
= sizeof(T1
);
27 if (size
< t1Size
+ sizeof(T2
))
30 T1 x
= *reinterpret_cast<const T1
*>(data
);
31 T2 y
= *reinterpret_cast<const T2
*>(data
+ t1Size
);
33 T1 result1
= func1(x
, y
);
34 T1 result2
= func2(x
, y
);
36 if (!ValuesEqual(result1
, result2
))
40 #endif // LLVM_LIBC_FUZZING_MATH_TWO_INPUT_SINGLE_OUTPUT_DIFF_H