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Added fuzz tests for f16sqrt, fsqrt, and hypot
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Implemented fuzz test for cbrt
Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Fuzz tests were previously in the wrong format, updated them to correct
format.
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Fuzz tests were set up incorrectly so updated trig functions to match
the correct format.
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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added fuzz tests for sqrt and log functions
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Created fuzz tests for exp functions
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Added fuzz test for asin
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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created fuzz tests for acos and atan
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Created fuzz test for sincos
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Co-authored-by: Sriya Pratipati <sriyap@google.com>
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Fix for some mistakes in source code found using PVS Studio.
Inspired by: https://pvs-studio.com/en/blog/posts/cpp/1188/
Fixed:
- [Bug 5](https://pvs-studio.com/en/blog/posts/cpp/1188/#IDF23EA2CEAB)
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Updated the include statement for MPFR
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Also edited file header formatting on sin_fuz and cos_fuzz
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Fix minor typos that accumulated while the math fuzzers were disabled.
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Verifies that sin function output is correct by comparing with MPFR
output. NaN and inf are not tested (as our output will vary compared to
MPFR), and signed zeroes are already tested in unit tests.
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Fixes https://github.com/llvm/llvm-project/issues/100964
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Context: https://github.com/llvm/llvm-project/pull/87017
- Add proxy header `libc/hdr/math_macros.h` that will:
- include `<math.h>` in overlay mode,
- include `"include/llvm-libc-macros/math-macros.h"` in full build mode.
- Its corresponding CMake target `libc.hdr.math_macros` will only depend
on `libc.include.math` and `libc.include.llvm-libc-macros.math_macros`
in full build mode.
- Replace all `#include "include/llvm-libc-macros/math-macros.h"` with
`#include "hdr/math_macros.h"`.
- Add dependency to `libc.hdr.math_macros` CMake target when using
`add_fp_unittest`.
- Update the remaining dependency.
- Update bazel overlay: add `libc:hdr_math_macros` target, and replacing
all dependency on `libc:llvm_libc_macros_math_macros` with
`libc:hdr_math_macros`.
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Reland of #84991
A downstream overlay mode user ran into issues with the isnan macro not
working in our sources with a specific libc configuration. This patch
replaces the last direct includes of math.h with our internal
math_macros.h, along with the necessary build system changes.
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This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
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The string to integer conversion functions are well suited to
differential fuzzing, and this patch adds a target to enable just that.
It also fixes a bug in the fuzzing comparison logic and changes atoi
slightly to match the behavior described in the C standard.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D140178
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The libc.src.__support.FPUtil.fputil target encompassed many unrelated
files, and provided a lot of hidden dependencies. This patch splits out
all of these files into component parts and cleans up the cmake files
that used them. It does not touch any source files for simplicity, but
there may be changes made to them in future patches.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D132980
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Migrating all private STL code to the standard STL case but keeping it under the CPP namespace to avoid confusion. Starting with the type_traits header.
Differential Revision: https://reviews.llvm.org/D130727
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Previously, the entire support/CPP folder was in one header library,
which meant that a lot of headers were included where they shouldn't be.
This patch splits each header into its own target, as well as adjusting
each place they were included to only include what is used.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D121237
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This patch applies the lint rules described in the previous patch. There
was also a significant amount of effort put into manually fixing things,
since all of the templated functions, or structs defined in /spec, were
not updated and had to be handled manually.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D114302
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* Added missing header guards.
* Fixed license header format in a few files.
* Renamed files to more suitable names.
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The idea is to move all pieces related to the actual libc sources to the
"src" directory. This allows downstream users to ship and build just the
"src" directory.
Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D112653
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Some ctype functions are called from other libc functions (e.g. isspace
is used in atoi). By moving ctype_utils.h to __support it becomes easier
to include just the implementations of these functions. For these
reasons the implementation for isspace was moved into
ctype_utils as well.
FPUtils was moved to simplify the build order, and to clarify which
files are a part of the actual libc.
Many files were modified to accomodate these changes, mostly changing
the #include paths.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D107600
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This helps us avoid the uncomfortable reinterpret-casts. Avoiding the
reinterpret casts prevents us from tripping the sanitizers as well.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D100360
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A differential fuzzer for these functions has also been added.
Along the way, a small correction has been done to the normal/subnormal
limits of x86 long double values.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D94109
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Also added diffing of a few more math functions. Combining the diff check
for all of these functions helps us meet the OSS fuzz bar of a minimum of
100 program edges.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D91817
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Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D91763
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