summaryrefslogtreecommitdiff
path: root/libc/fuzzing/math/exp_fuzz.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libc/fuzzing/math/exp_fuzz.cpp')
-rw-r--r--libc/fuzzing/math/exp_fuzz.cpp38
1 files changed, 0 insertions, 38 deletions
diff --git a/libc/fuzzing/math/exp_fuzz.cpp b/libc/fuzzing/math/exp_fuzz.cpp
deleted file mode 100644
index 97bc12dfa64c..000000000000
--- a/libc/fuzzing/math/exp_fuzz.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-//===-- exp_fuzz.cpp ------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-///
-/// Fuzzing test for llvm-libc exp implementation.
-///
-//===----------------------------------------------------------------------===//
-
-#include "src/math/exp.h"
-#include "utils/MPFRWrapper/mpfr_inc.h"
-#include <math.h>
-
-extern "C" int LLVMFuzzerTestOneInput(double x) {
- // remove NaN and inf
- if (isnan(x) || isinf(x))
- return 0;
- // signed zeros already tested in unit tests
- if (signbit(x) && x == 0.0)
- return 0;
- mpfr_t input;
- mpfr_init2(input, 53);
- mpfr_set_d(input, x, MPFR_RNDN);
- int output = mpfr_exp(input, input, MPFR_RNDN);
- mpfr_subnormalize(input, output, MPFR_RNDN);
- double to_compare = mpfr_get_d(input, MPFR_RNDN);
-
- double result = LIBC_NAMESPACE::exp(x);
-
- if (result != to_compare)
- __builtin_trap();
-
- mpfr_clear(input);
- return 0;
-}