libc/fuzzing/math/math_differential_fuzz.cpp

   1 //===-- ldexp_differential_fuzz.cpp ---------------------------------------===//
   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 /// Differential fuzz test for llvm-libc ldexp implementation.
  10 ///
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "fuzzing/math/RemQuoDiff.h"
  14 #include "fuzzing/math/SingleInputSingleOutputDiff.h"
  15 #include "fuzzing/math/TwoInputSingleOutputDiff.h"
  16
  17 #include "src/math/ceil.h"
  18 #include "src/math/ceilf.h"
  19 #include "src/math/ceill.h"
  20
  21 #include "src/math/fdim.h"
  22 #include "src/math/fdimf.h"
  23 #include "src/math/fdiml.h"
  24
  25 #include "src/math/floor.h"
  26 #include "src/math/floorf.h"
  27 #include "src/math/floorl.h"
  28
  29 #include "src/math/frexp.h"
  30 #include "src/math/frexpf.h"
  31 #include "src/math/frexpl.h"
  32
  33 #include "src/math/hypotf.h"
  34
  35 #include "src/math/ldexp.h"
  36 #include "src/math/ldexpf.h"
  37 #include "src/math/ldexpl.h"
  38
  39 #include "src/math/logb.h"
  40 #include "src/math/logbf.h"
  41 #include "src/math/logbl.h"
  42
  43 #include "src/math/modf.h"
  44 #include "src/math/modff.h"
  45 #include "src/math/modfl.h"
  46
  47 #include "src/math/remainder.h"
  48 #include "src/math/remainderf.h"
  49 #include "src/math/remainderl.h"
  50
  51 #include "src/math/remquo.h"
  52 #include "src/math/remquof.h"
  53 #include "src/math/remquol.h"
  54
  55 #include "src/math/round.h"
  56 #include "src/math/roundf.h"
  57 #include "src/math/roundl.h"
  58
  59 #include "src/math/sqrt.h"
  60 #include "src/math/sqrtf.h"
  61 #include "src/math/sqrtl.h"
  62
  63 #include "src/math/trunc.h"
  64 #include "src/math/truncf.h"
  65 #include "src/math/truncl.h"
  66
  67 #include <math.h>
  68 #include <stddef.h>
  69 #include <stdint.h>
  70
  71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  72
  73   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::ceilf, &::ceilf, data,
  74                                      size);
  75   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::ceil, &::ceil, data,
  76                                       size);
  77   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::ceill, &::ceill,
  78                                            data, size);
  79
  80   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::floorf, &::floorf, data,
  81                                      size);
  82   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::floor, &::floor, data,
  83                                       size);
  84   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::floorl, &::floorl,
  85                                            data, size);
  86
  87   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::roundf, &::roundf, data,
  88                                      size);
  89   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::round, &::round, data,
  90                                       size);
  91   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::roundl, &::roundl,
  92                                            data, size);
  93
  94   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::truncf, &::truncf, data,
  95                                      size);
  96   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::trunc, &::trunc, data,
  97                                       size);
  98   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::truncl, &::truncl,
  99                                            data, size);
 100
 101   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::logbf, &::logbf, data,
 102                                      size);
 103   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::logb, &::logb, data,
 104                                       size);
 105   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::logbl, &::logbl,
 106                                            data, size);
 107
 108   TwoInputSingleOutputDiff<float, float>(&LIBC_NAMESPACE::hypotf, &::hypotf,
 109                                          data, size);
 110
 111   TwoInputSingleOutputDiff<float, float>(&LIBC_NAMESPACE::remainderf,
 112                                          &::remainderf, data, size);
 113   TwoInputSingleOutputDiff<double, double>(&LIBC_NAMESPACE::remainder,
 114                                            &::remainder, data, size);
 115   TwoInputSingleOutputDiff<long double, long double>(
 116       &LIBC_NAMESPACE::remainderl, &::remainderl, data, size);
 117
 118   TwoInputSingleOutputDiff<float, float>(&LIBC_NAMESPACE::fdimf, &::fdimf, data,
 119                                          size);
 120   TwoInputSingleOutputDiff<double, double>(&LIBC_NAMESPACE::fdim, &::fdim, data,
 121                                            size);
 122   TwoInputSingleOutputDiff<long double, long double>(&LIBC_NAMESPACE::fdiml,
 123                                                      &::fdiml, data, size);
 124
 125   SingleInputSingleOutputDiff<float>(&LIBC_NAMESPACE::sqrtf, &::sqrtf, data,
 126                                      size);
 127   SingleInputSingleOutputDiff<double>(&LIBC_NAMESPACE::sqrt, &::sqrt, data,
 128                                       size);
 129   SingleInputSingleOutputDiff<long double>(&LIBC_NAMESPACE::sqrtl, &::sqrtl,
 130                                            data, size);
 131
 132   SingleInputSingleOutputWithSideEffectDiff<float, int>(&LIBC_NAMESPACE::frexpf,
 133                                                         &::frexpf, data, size);
 134   SingleInputSingleOutputWithSideEffectDiff<double, int>(&LIBC_NAMESPACE::frexp,
 135                                                          &::frexp, data, size);
 136   SingleInputSingleOutputWithSideEffectDiff<long double, int>(
 137       &LIBC_NAMESPACE::frexpl, &::frexpl, data, size);
 138
 139   SingleInputSingleOutputWithSideEffectDiff<float, float>(
 140       &LIBC_NAMESPACE::modff, &::modff, data, size);
 141   SingleInputSingleOutputWithSideEffectDiff<double, double>(
 142       &LIBC_NAMESPACE::modf, &::modf, data, size);
 143   SingleInputSingleOutputWithSideEffectDiff<long double, long double>(
 144       &LIBC_NAMESPACE::modfl, &::modfl, data, size);
 145
 146   TwoInputSingleOutputDiff<float, int>(&LIBC_NAMESPACE::ldexpf, &::ldexpf, data,
 147                                        size);
 148   TwoInputSingleOutputDiff<double, int>(&LIBC_NAMESPACE::ldexp, &::ldexp, data,
 149                                         size);
 150   TwoInputSingleOutputDiff<long double, int>(&LIBC_NAMESPACE::ldexpl, &::ldexpl,
 151                                              data, size);
 152
 153   RemQuoDiff<float>(&LIBC_NAMESPACE::remquof, &::remquof, data, size);
 154   RemQuoDiff<double>(&LIBC_NAMESPACE::remquo, &::remquo, data, size);
 155   RemQuoDiff<long double>(&LIBC_NAMESPACE::remquol, &::remquol, data, size);
 156
 157   return 0;
 158 }