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The struct Sign should be in the correct namespace. Also update the
various tests that use it.
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{rint,lrint,llrint,lround,llround}f16 (#94473)
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This adds a new test fixture class FEnvSafeTest (usable as a base
class for other fixtures) that ensures each test doesn't perturb
the `fenv_t` state that the next test will start with. It also
provides types and methods tests can use to explicitly wrap code
under test either to check that it doesn't perturb the state or
to save and restore the state around particular test code.
All the fenv and math tests are updated to use this so that none
can affect another. Expectations that code under test and/or
tests themselves don't perturb state can be added later.
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Hello, this addresses #87863.
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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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- [libc][NFC] Rename FPBits nan functions
- rename build_signaling_nan in signaling_nan
- rename build_quiet_nan to quiet_nan
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The semantics for casting can range from "bitcast" (same representation)
to "different representation", to "type promotion". Here we remove the
cast operator and force usage of `get_val` as the only function to get
the floating point value, making the intent clearer and more consistent.
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- reland #79113
- Fix aarch64 RISC-V build
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Reverts llvm/llvm-project#79113
It broke aarch64 build bot machines.
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This patch reduces the surface of `FPBits`.
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Another patch is needed to cover `DyadicFloat` and `NormalFloat`
constructors.
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This one might be a bit controversial since the terminology has been
introduced from the start but I think `FRACTION_LEN` is a better name
here. AFAICT it really is "the number of bits after the decimal dot when
the number is in normal form."
`MANTISSA_WIDTH` is less precise as it's unclear whether we take the
leading bit into account.
This patch also renames most of the properties to use the `_LEN` suffix
and fixes useless casts or variables.
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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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This patch:
(1) adds the add_with_carry_const and sub_with_borrow_const constexpr calls
to add and sub, respectively. Both add and sub are constexpr calls and
were call the non-constexpr version of add/sub_with_borrow.
(2) adds explicit UIntType construct calls in some fp tests.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D150223
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Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D151875
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This part of the effort to make all test related pieces into the `test`
directory. This helps is excluding test related pieces in a straight
forward manner if LLVM_INCLUDE_TESTS is OFF. Future patches will also move
the MPFR wrapper and testutils into the 'test' directory.
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Differential Revision: https://reviews.llvm.org/D134917
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tests"
This reverts commit 5470b1fcb5754b45c1233df7759411ff56942d6e.
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Differential Revision: https://reviews.llvm.org/D134917
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Remove the redundant header FPUtil/FEnvUtils.h, use FPUtil/FEnvImpl.h header instead.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D120965
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Apply the formatting rules that were applied to the libc/src directory
to the libc/test directory, as well as the files in libc/utils that are
included by the tests. This does not include automated enforcement.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D116127
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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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Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D112673
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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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Because Windows's pathnames are not case sensitive,
to avoid include conflicts between our header file FEnv.h and the
one from the C Standard library, <fenv.h>, the prior file was renamed.
The motive for the relabel came to fix this include error in
TestHelpers.cpp since a conflict arose with a file in the same
directory when #include <fenv.h> was being used.
Reviewed By: sivachandra, aeubanks
Differential Revision: https://reviews.llvm.org/D106470
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This will help us catch errors like the ones fixed by the commit
31ed45d9cfd5da2bf4f1d7ddba54122df6fc91fa
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I missed the MPFR tests in my previous commit. They have now been fixed
to not fail the prefix check in the test macro.
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Namely, implementations for rint, rintf, rintl, lrint, lrintf, lrintl,
llrint, llrintf and llrintl have been added.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D93889
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