libc/fuzzing/math/nextafter_differential_fuzz.cpp

   1 //===-- nextafter_differential_fuzz.cpp
   2 //---------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9 ///
  10 /// Differential fuzz test for llvm-libc nextafter implementation.
  11 ///
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "fuzzing/math/TwoInputSingleOutputDiff.h"
  15
  16 #include "src/math/nextafter.h"
  17 #include "src/math/nextafterf.h"
  18 #include "src/math/nextafterl.h"
  19
  20 #include <math.h>
  21
  22 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  23   TwoInputSingleOutputDiff<float, float>(&LIBC_NAMESPACE::nextafterf,
  24                                          &::nextafterf, data, size);
  25   TwoInputSingleOutputDiff<double, double>(&LIBC_NAMESPACE::nextafter,
  26                                            &::nextafter, data, size);
  27   return 0;
  28 }