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>(&__llvm_libc::ceilf, &::ceilf, data, size);
  74   SingleInputSingleOutputDiff<double>(&__llvm_libc::ceil, &::ceil, data, size);
  75   SingleInputSingleOutputDiff<long double>(&__llvm_libc::ceill, &::ceill, data,
  76                                            size);
  77
  78   SingleInputSingleOutputDiff<float>(&__llvm_libc::floorf, &::floorf, data,
  79                                      size);
  80   SingleInputSingleOutputDiff<double>(&__llvm_libc::floor, &::floor, data,
  81                                       size);
  82   SingleInputSingleOutputDiff<long double>(&__llvm_libc::floorl, &::floorl,
  83                                            data, size);
  84
  85   SingleInputSingleOutputDiff<float>(&__llvm_libc::roundf, &::roundf, data,
  86                                      size);
  87   SingleInputSingleOutputDiff<double>(&__llvm_libc::round, &::round, data,
  88                                       size);
  89   SingleInputSingleOutputDiff<long double>(&__llvm_libc::roundl, &::roundl,
  90                                            data, size);
  91
  92   SingleInputSingleOutputDiff<float>(&__llvm_libc::truncf, &::truncf, data,
  93                                      size);
  94   SingleInputSingleOutputDiff<double>(&__llvm_libc::trunc, &::trunc, data,
  95                                       size);
  96   SingleInputSingleOutputDiff<long double>(&__llvm_libc::truncl, &::truncl,
  97                                            data, size);
  98
  99   SingleInputSingleOutputDiff<float>(&__llvm_libc::logbf, &::logbf, data, size);
 100   SingleInputSingleOutputDiff<double>(&__llvm_libc::logb, &::logb, data, size);
 101   SingleInputSingleOutputDiff<long double>(&__llvm_libc::logbl, &::logbl, data,
 102                                            size);
 103
 104   TwoInputSingleOutputDiff<float, float>(&__llvm_libc::hypotf, &::hypotf, data,
 105                                          size);
 106
 107   TwoInputSingleOutputDiff<float, float>(&__llvm_libc::remainderf,
 108                                          &::remainderf, data, size);
 109   TwoInputSingleOutputDiff<double, double>(&__llvm_libc::remainder,
 110                                            &::remainder, data, size);
 111   TwoInputSingleOutputDiff<long double, long double>(&__llvm_libc::remainderl,
 112                                                      &::remainderl, data, size);
 113
 114   TwoInputSingleOutputDiff<float, float>(&__llvm_libc::fdimf, &::fdimf, data,
 115                                          size);
 116   TwoInputSingleOutputDiff<double, double>(&__llvm_libc::fdim, &::fdim, data,
 117                                            size);
 118   TwoInputSingleOutputDiff<long double, long double>(&__llvm_libc::fdiml,
 119                                                      &::fdiml, data, size);
 120
 121   SingleInputSingleOutputDiff<float>(&__llvm_libc::sqrtf, &::sqrtf, data, size);
 122   SingleInputSingleOutputDiff<double>(&__llvm_libc::sqrt, &::sqrt, data, size);
 123   SingleInputSingleOutputDiff<long double>(&__llvm_libc::sqrtl, &::sqrtl, data,
 124                                            size);
 125
 126   SingleInputSingleOutputWithSideEffectDiff<float, int>(&__llvm_libc::frexpf,
 127                                                         &::frexpf, data, size);
 128   SingleInputSingleOutputWithSideEffectDiff<double, int>(&__llvm_libc::frexp,
 129                                                          &::frexp, data, size);
 130   SingleInputSingleOutputWithSideEffectDiff<long double, int>(
 131       &__llvm_libc::frexpl, &::frexpl, data, size);
 132
 133   SingleInputSingleOutputWithSideEffectDiff<float, float>(&__llvm_libc::modff,
 134                                                           &::modff, data, size);
 135   SingleInputSingleOutputWithSideEffectDiff<double, double>(
 136       &__llvm_libc::modf, &::modf, data, size);
 137   SingleInputSingleOutputWithSideEffectDiff<long double, long double>(
 138       &__llvm_libc::modfl, &::modfl, data, size);
 139
 140   TwoInputSingleOutputDiff<float, int>(&__llvm_libc::ldexpf, &::ldexpf, data,
 141                                        size);
 142   TwoInputSingleOutputDiff<double, int>(&__llvm_libc::ldexp, &::ldexp, data,
 143                                         size);
 144   TwoInputSingleOutputDiff<long double, int>(&__llvm_libc::ldexpl, &::ldexpl,
 145                                              data, size);
 146
 147   RemQuoDiff<float>(&__llvm_libc::remquof, &::remquof, data, size);
 148   RemQuoDiff<double>(&__llvm_libc::remquo, &::remquo, data, size);
 149   RemQuoDiff<long double>(&__llvm_libc::remquol, &::remquol, data, size);
 150
 151   return 0;
 152 }