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[libc][math][c23] Implement canonicalize functions (#85940)

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Fixes: #85286
This commit is contained in:
Shourya Goel 2024-03-26 17:58:22 +05:30 committed by GitHub
parent 603db7425f
commit 19ca79e867
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GPG Key ID: B5690EEEBB952194
22 changed files with 895 additions and 267 deletions
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4
libc/config/linux/x86_64/entrypoints.txt
View File

@ -350,6 +350,9 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinhf
libc.src.math.atanf
libc.src.math.atanhf
libc.src.math.canonicalize
libc.src.math.canonicalizef
libc.src.math.canonicalizel
libc.src.math.copysign
libc.src.math.copysignf
libc.src.math.copysignl
@ -516,6 +519,7 @@ set(TARGET_LIBM_ENTRYPOINTS
if(LIBC_TYPES_HAS_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
libc.src.math.canonicalizef128
libc.src.math.ceilf128
libc.src.math.copysignf128
libc.src.math.fabsf128

543
libc/docs/math/index.rst
View File

@ -104,273 +104,282 @@ Implementation Status
Basic Operations
----------------
+--------------+---------------------------------------+-------------------+-------------------+-------------------+-------------------+
| <Func> | Linux | Windows | MacOS | Embedded | GPU |
| +---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| | x86_64 | aarch64 | aarch32 | riscv64 | x86_64 | aarch64 | x86_64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
+==============+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+
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| round | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundf128 | |check| | |check| | | |check| | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbn | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbnf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbnl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| trunc | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncf128 | |check| | |check| | | |check| | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfp | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpf | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpl | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpx | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxf | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxl | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+------------------+---------------------------------------+-------------------+-------------------+-------------------+-------------------+
| <Func> | Linux | Windows | MacOS | Embedded | GPU |
| +---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| | x86_64 | aarch64 | aarch32 | riscv64 | x86_64 | aarch64 | x86_64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
+==================+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+=========+
| ceil | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ceilf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ceill | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ceilf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| canoninicalize | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| canoninicalizef | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| canoninicalizel | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
|canoninicalizef128| |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysign | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysignf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysignl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysignf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fabs | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fabsf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fabsl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fabsf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fdim | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fdimf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fdiml | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fdimf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floor | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floorf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floorl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floorf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmax | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmaxf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmaxf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmaxl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmin | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fminf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fminf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fminl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmod | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmodf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmodl | |check| | |check| | | |check| | |check| | | | |check| | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmodf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| frexp | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| frexpf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| frexpl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| frexpf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfp | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpf | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpl | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpf128 | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpx | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpxf | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpxl | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fromfpxf128 | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ilogb | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ilogbf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ilogbl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ilogf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ldexp | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ldexpf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ldexpl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ldexpf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llogb | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llogbf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llogbl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llogf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llrint | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llrintf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llrintl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llrintf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llround | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llroundf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llroundl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| llroundf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| logb | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| logbf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| logbl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| logf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lrint | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lrintf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lrintl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lrintf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lround | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lroundf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lroundl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| lroundf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| modf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| modff | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| modfl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| modff128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nan | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nanf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nanl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nanf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nearbyint | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nearbyintf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nearbyintl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextafter | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextafterf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextafterl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextafterf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextdown | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextdownf | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextdownl | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextdownf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nexttoward | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nexttowardf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nexttowardl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextup | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextupf | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextupl | |check| | |check| | |check| | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nextupf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remainder | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remainderf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remainderl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remquo | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remquof | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| remquol | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| rint | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| rintf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| rintl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| rintf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| round | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbn | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbnf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbnl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| trunc | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncf128 | |check| | |check| | | |check| | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfp | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpf | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpl | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpf128 | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpx | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxf | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxl | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ufromfpxf128 | |check| | | | | | | | | | | | |
+------------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
Higher Math Functions

5
libc/spec/stdc.td
View File

@ -636,6 +636,11 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"nan", RetValSpec<DoubleType>, [ArgSpec<ConstCharPtr>]>,
FunctionSpec<"nanl", RetValSpec<LongDoubleType>, [ArgSpec<ConstCharPtr>]>,
GuardedFunctionSpec<"nanf128", RetValSpec<Float128Type>, [ArgSpec<ConstCharPtr>], "LIBC_TYPES_HAS_FLOAT128">,
FunctionSpec<"canonicalize", RetValSpec<IntType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
FunctionSpec<"canonicalizef", RetValSpec<IntType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
FunctionSpec<"canonicalizel", RetValSpec<IntType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
GuardedFunctionSpec<"canonicalizef128", RetValSpec<IntType>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
]
>;

63
libc/src/__support/FPUtil/BasicOperations.h
View File

@ -9,11 +9,14 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_FPUTIL_BASICOPERATIONS_H
#define LLVM_LIBC_SRC___SUPPORT_FPUTIL_BASICOPERATIONS_H
#include "FEnvImpl.h"
#include "FPBits.h"
#include "FEnvImpl.h"
#include "src/__support/CPP/type_traits.h"
#include "src/__support/UInt128.h"
#include "src/__support/common.h"
#include "src/__support/macros/optimization.h" // LIBC_UNLIKELY
namespace LIBC_NAMESPACE {
namespace fputil {
@ -178,6 +181,66 @@ LIBC_INLINE T fdim(T x, T y) {
return (x > y ? x - y : 0);
}
template <typename T, cpp::enable_if_t<cpp::is_floating_point_v<T>, int> = 0>
LIBC_INLINE int canonicalize(T &cx, const T &x) {
FPBits<T> sx(x);
if constexpr (get_fp_type<T>() == FPType::X86_Binary80) {
// All the pseudo and unnormal numbers are not canonical.
// More precisely :
// Exponent | Significand | Meaning
// | Bits 63-62 | Bits 61-0 |
// All Ones | 00 | Zero | Pseudo Infinity, Value = Infinty
// All Ones | 00 | Non-Zero | Pseudo NaN, Value = SNaN
// All Ones | 01 | Anything | Pseudo NaN, Value = SNaN
// | Bit 63 | Bits 62-0 |
// All zeroes | One | Anything | Pseudo Denormal, Value =
// | | | (−1)**s × m × 2**−16382
// All Other | Zero | Anything | Unnormal, Value =
// Values | | | (−1)**s × m × 2**−16382
bool bit63 = sx.get_implicit_bit();
UInt128 mantissa = sx.get_explicit_mantissa();
bool bit62 = ((mantissa & (1ULL << 62)) >> 62);
int exponent = sx.get_biased_exponent();
if (exponent == 0x7FFF) {
if (!bit63 && !bit62) {
if (mantissa == 0)
cx = FPBits<T>::inf(sx.sign()).get_val();
else {
cx = FPBits<T>::quiet_nan(sx.sign(), mantissa).get_val();
raise_except_if_required(FE_INVALID);
return 1;
}
} else if (!bit63 && bit62) {
cx = FPBits<T>::quiet_nan(sx.sign(), mantissa).get_val();
raise_except_if_required(FE_INVALID);
return 1;
} else if (LIBC_UNLIKELY(sx.is_signaling_nan())) {
cx = FPBits<T>::quiet_nan(sx.sign(), sx.get_explicit_mantissa())
.get_val();
raise_except_if_required(FE_INVALID);
return 1;
} else
cx = x;
} else if (exponent == 0 && bit63)
cx = FPBits<T>::make_value(mantissa, 0).get_val();
else if (exponent != 0 && !bit63)
cx = FPBits<T>::make_value(mantissa, 0).get_val();
else if (LIBC_UNLIKELY(sx.is_signaling_nan())) {
cx =
FPBits<T>::quiet_nan(sx.sign(), sx.get_explicit_mantissa()).get_val();
raise_except_if_required(FE_INVALID);
return 1;
} else
cx = x;
} else if (LIBC_UNLIKELY(sx.is_signaling_nan())) {
cx = FPBits<T>::quiet_nan(sx.sign(), sx.get_explicit_mantissa()).get_val();
raise_except_if_required(FE_INVALID);
return 1;
} else
cx = x;
return 0;
}
} // namespace fputil
} // namespace LIBC_NAMESPACE

3
libc/src/__support/FPUtil/CMakeLists.txt
View File

@ -82,8 +82,11 @@ add_header_library(
BasicOperations.h
DEPENDS
.fp_bits
.fenv_impl
libc.src.__support.CPP.type_traits
libc.src.__support.uint128
libc.src.__support.common
libc.src.__support.macros.optimization
)
add_header_library(

5
libc/src/math/CMakeLists.txt
View File

@ -59,6 +59,11 @@ add_math_entrypoint_object(atan2f)
add_math_entrypoint_object(atanh)
add_math_entrypoint_object(atanhf)
add_math_entrypoint_object(canonicalize)
add_math_entrypoint_object(canonicalizef)
add_math_entrypoint_object(canonicalizef128)
add_math_entrypoint_object(canonicalizel)
add_math_entrypoint_object(ceil)
add_math_entrypoint_object(ceilf)
add_math_entrypoint_object(ceill)

18
libc/src/math/canonicalize.h Normal file
View File

@ -0,0 +1,18 @@
//===-- Implementation header for canonicalize -------------------*- C++-*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_CANONICALIZE_H
#define LLVM_LIBC_SRC_MATH_CANONICALIZE_H
namespace LIBC_NAMESPACE {
int canonicalize(double *cx, const double *x);
} // namespace LIBC_NAMESPACE
#endif // LLVM_LIBC_SRC_MATH_CANONICALIZE_H

18
libc/src/math/canonicalizef.h Normal file
View File

@ -0,0 +1,18 @@
//===-- Implementation header for canonicalizef ------------------*- C++-*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_CANONICALIZEF_H
#define LLVM_LIBC_SRC_MATH_CANONICALIZEF_H
namespace LIBC_NAMESPACE {
int canonicalizef(float *cx, const float *x);
} // namespace LIBC_NAMESPACE
#endif // LLVM_LIBC_SRC_MATH_CANONICALIZEF_H

20
libc/src/math/canonicalizef128.h Normal file
View File

@ -0,0 +1,20 @@
//===-- Implementation header for canonicalizef128 ---------------*-C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_CANONICALIZEF128_H
#define LLVM_LIBC_SRC_MATH_CANONICALIZEF128_H
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE {
int canonicalizef128(float128 *cx, const float128 *x);
} // namespace LIBC_NAMESPACE
#endif // LLVM_LIBC_SRC_MATH_CANONICALIZEF128_H

18
libc/src/math/canonicalizel.h Normal file
View File

@ -0,0 +1,18 @@
//===-- Implementation header for canonicalizel ------------------*- C++-*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_CANONICALIZEL_H
#define LLVM_LIBC_SRC_MATH_CANONICALIZEL_H
namespace LIBC_NAMESPACE {
int canonicalizel(long double *cx, const long double *x);
} // namespace LIBC_NAMESPACE
#endif // LLVM_LIBC_SRC_MATH_CANONICALIZEL_H

48
libc/src/math/generic/CMakeLists.txt
View File

@ -1,3 +1,51 @@
add_entrypoint_object(
canonicalize
SRCS
canonicalize.cpp
HDRS
../canonicalize.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.basic_operations
)
add_entrypoint_object(
canonicalizef
SRCS
canonicalizef.cpp
HDRS
../canonicalizef.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.basic_operations
)
add_entrypoint_object(
canonicalizef128
SRCS
canonicalizef128.cpp
HDRS
../canonicalizef128.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.basic_operations
)
add_entrypoint_object(
canonicalizel
SRCS
canonicalizel.cpp
HDRS
../canonicalizel.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.basic_operations
)
add_entrypoint_object(
ceil
SRCS

19
libc/src/math/generic/canonicalize.cpp Normal file
View File

@ -0,0 +1,19 @@
//===-- Implementation of canonicalize function----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/math/canonicalize.h"
#include "src/__support/FPUtil/BasicOperations.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, canonicalize, (double *cx, const double *x)) {
return fputil::canonicalize(*cx, *x);
}
} // namespace LIBC_NAMESPACE

19
libc/src/math/generic/canonicalizef.cpp Normal file
View File

@ -0,0 +1,19 @@
//===-- Implementation of canonicalizef function---------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/math/canonicalizef.h"
#include "src/__support/FPUtil/BasicOperations.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, canonicalizef, (float *cx, const float *x)) {
return fputil::canonicalize(*cx, *x);
}
} // namespace LIBC_NAMESPACE

19
libc/src/math/generic/canonicalizef128.cpp Normal file
View File

@ -0,0 +1,19 @@
//===-- Implementation of canonicalizef128 function------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/math/canonicalizef128.h"
#include "src/__support/FPUtil/BasicOperations.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, canonicalizef128, (float128 * cx, const float128 *x)) {
return fputil::canonicalize(*cx, *x);
}
} // namespace LIBC_NAMESPACE

20
libc/src/math/generic/canonicalizel.cpp Normal file
View File

@ -0,0 +1,20 @@
//===-- Implementation of canonicalizel function---------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/math/canonicalizel.h"
#include "src/__support/FPUtil/BasicOperations.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, canonicalizel,
(long double *cx, const long double *x)) {
return fputil::canonicalize(*cx, *x);
}
} // namespace LIBC_NAMESPACE

60
libc/test/src/math/smoke/CMakeLists.txt
View File

@ -165,6 +165,66 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)
add_fp_unittest(
canonicalize_test
SUITE
libc-math-smoke-tests
SRCS
canonicalize_test.cpp
HDRS
CanonicalizeTest.h
DEPENDS
libc.include.math
libc.src.math.canonicalize
libc.src.__support.FPUtil.fp_bits
libc.src.__support.FPUtil.fenv_impl
)
add_fp_unittest(
canonicalizef_test
SUITE
libc-math-smoke-tests
SRCS
canonicalizef_test.cpp
HDRS
CanonicalizeTest.h
DEPENDS
libc.include.math
libc.src.math.canonicalizef
libc.src.__support.FPUtil.fp_bits
libc.src.__support.FPUtil.fenv_impl
)
add_fp_unittest(
canonicalizef128_test
SUITE
libc-math-smoke-tests
SRCS
canonicalizef128_test.cpp
HDRS
CanonicalizeTest.h
DEPENDS
libc.include.math
libc.src.math.canonicalizef128
libc.src.__support.FPUtil.fp_bits
libc.src.__support.FPUtil.fenv_impl
)
add_fp_unittest(
canonicalizel_test
SUITE
libc-math-smoke-tests
SRCS
canonicalizel_test.cpp
HDRS
CanonicalizeTest.h
DEPENDS
libc.include.math
libc.src.math.canonicalizel
libc.src.__support.FPUtil.fp_bits
libc.src.__support.FPUtil.fenv_impl
)
add_fp_unittest(
ceil_test
SUITE

219
libc/test/src/math/smoke/CanonicalizeTest.h Normal file
View File

@ -0,0 +1,219 @@
//===-- Utility class to test canonicalize[f|l] -----------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_TEST_SRC_MATH_SMOKE_CANONICALIZETEST_H
#define LLVM_LIBC_TEST_SRC_MATH_SMOKE_CANONICALIZETEST_H
#include "src/__support/FPUtil/FPBits.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include "include/llvm-libc-macros/math-macros.h"
#define TEST_SPECIAL(x, y, expected, expected_exception) \
EXPECT_EQ(expected, f(&x, &y)); \
EXPECT_FP_EXCEPTION(expected_exception); \
LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT)
#define TEST_REGULAR(x, y, expected) TEST_SPECIAL(x, y, expected, 0)
#define LIBC_NAMESPACE __llvm_libc_19_0_0_git
template <typename T>
class CanonicalizeTest : public LIBC_NAMESPACE::testing::Test {
DECLARE_SPECIAL_CONSTANTS(T)
public:
typedef int (*CanonicalizeFunc)(T *, const T *);
void testSpecialNumbers(CanonicalizeFunc f) {
T cx;
TEST_SPECIAL(cx, zero, 0, 0);
EXPECT_FP_EQ(cx, zero);
TEST_SPECIAL(cx, neg_zero, 0, 0);
EXPECT_FP_EQ(cx, neg_zero);
TEST_SPECIAL(cx, inf, 0, 0);
EXPECT_FP_EQ(cx, inf);
TEST_SPECIAL(cx, neg_inf, 0, 0);
EXPECT_FP_EQ(cx, neg_inf);
TEST_SPECIAL(cx, sNaN, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
}
void testX64_80SpecialNumbers(CanonicalizeFunc f) {
if constexpr (LIBC_NAMESPACE::fputil::get_fp_type<T>() ==
LIBC_NAMESPACE::fputil::FPType::X86_Binary80) {
T cx;
// Exponent | Significand | Meaning
// | Bits 63-62 | Bits 61-0 |
// All Ones | 00 | Zero | Pseudo Infinity, Value = Infinty
FPBits test1((UInt128(0x7FFF) << 64) + UInt128(0x0000000000000000));
const T test1_val = test1.get_val();
TEST_SPECIAL(cx, test1_val, 0, 0);
EXPECT_FP_EQ(cx, inf);
// Exponent | Significand | Meaning
// | Bits 63-62 | Bits 61-0 |
// All Ones | 00 | Non-Zero | Pseudo NaN, Value = SNaN
FPBits test2_1((UInt128(0x7FFF) << 64) + UInt128(0x0000000000000001));
const T test2_1_val = test2_1.get_val();
TEST_SPECIAL(cx, test2_1_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test2_2((UInt128(0x7FFF) << 64) + UInt128(0x0000004270000001));
const T test2_2_val = test2_2.get_val();
TEST_SPECIAL(cx, test2_2_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test2_3((UInt128(0x7FFF) << 64) + UInt128(0x0000000008261001));
const T test2_3_val = test2_3.get_val();
TEST_SPECIAL(cx, test2_3_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test2_4((UInt128(0x7FFF) << 64) + UInt128(0x0000780008261001));
const T test2_4_val = test2_4.get_val();
TEST_SPECIAL(cx, test2_4_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
// Exponent | Significand | Meaning
// | Bits 63-62 | Bits 61-0 |
// All Ones | 01 | Anything | Pseudo NaN, Value = SNaN
FPBits test3_1((UInt128(0x7FFF) << 64) + UInt128(0x4000000000000000));
const T test3_1_val = test3_1.get_val();
TEST_SPECIAL(cx, test3_1_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test3_2((UInt128(0x7FFF) << 64) + UInt128(0x4000004270000001));
const T test3_2_val = test3_2.get_val();
TEST_SPECIAL(cx, test3_2_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test3_3((UInt128(0x7FFF) << 64) + UInt128(0x4000000008261001));
const T test3_3_val = test3_3.get_val();
TEST_SPECIAL(cx, test3_3_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
FPBits test3_4((UInt128(0x7FFF) << 64) + UInt128(0x4007800008261001));
const T test3_4_val = test3_4.get_val();
TEST_SPECIAL(cx, test3_4_val, 1, FE_INVALID);
EXPECT_FP_EQ(cx, aNaN);
// Exponent | Significand | Meaning
// | Bit 63 | Bits 62-0 |
// All zeroes | One | Anything | Pseudo Denormal, Value =
// | | | (−1)**s × m × 2**−16382
FPBits test4_1((UInt128(0x0000) << 64) + UInt128(0x8000000000000000));
const T test4_1_val = test4_1.get_val();
TEST_SPECIAL(cx, test4_1_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test4_1.get_explicit_mantissa(), 0).get_val());
FPBits test4_2((UInt128(0x0000) << 64) + UInt128(0x8000004270000001));
const T test4_2_val = test4_2.get_val();
TEST_SPECIAL(cx, test4_2_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test4_2.get_explicit_mantissa(), 0).get_val());
FPBits test4_3((UInt128(0x0000) << 64) + UInt128(0x8000000008261001));
const T test4_3_val = test4_3.get_val();
TEST_SPECIAL(cx, test4_3_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test4_3.get_explicit_mantissa(), 0).get_val());
// Exponent | Significand | Meaning
// | Bit 63 | Bits 62-0 |
// All Other | Zero | Anything | Unnormal, Value =
// Values | | | (−1)**s × m × 2**−16382
FPBits test5_1(UInt128(0x0000000000000001));
const T test5_1_val = test5_1.get_val();
TEST_SPECIAL(cx, test5_1_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_1.get_explicit_mantissa(), 0).get_val());
FPBits test5_2(UInt128(0x0000004270000001));
const T test5_2_val = test5_2.get_val();
TEST_SPECIAL(cx, test5_2_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_2.get_explicit_mantissa(), 0).get_val());
FPBits test5_3(UInt128(0x0000000008261001));
const T test5_3_val = test5_3.get_val();
TEST_SPECIAL(cx, test5_3_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_3.get_explicit_mantissa(), 0).get_val());
FPBits test5_4(UInt128(0x0000002816000000));
const T test5_4_val = test5_4.get_val();
TEST_SPECIAL(cx, test5_4_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_4.get_explicit_mantissa(), 0).get_val());
FPBits test5_5(UInt128(0x0000004270000001));
const T test5_5_val = test5_5.get_val();
TEST_SPECIAL(cx, test5_5_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_5.get_explicit_mantissa(), 0).get_val());
FPBits test5_6(UInt128(0x0000000008261001));
const T test5_6_val = test5_6.get_val();
TEST_SPECIAL(cx, test5_6_val, 0, 0);
EXPECT_FP_EQ(
cx, FPBits::make_value(test5_6.get_explicit_mantissa(), 0).get_val());
}
}
void testRegularNumbers(CanonicalizeFunc f) {
T cx;
const T test_var_1 = T(1.0);
TEST_REGULAR(cx, test_var_1, 0);
EXPECT_FP_EQ(cx, test_var_1);
const T test_var_2 = T(-1.0);
TEST_REGULAR(cx, test_var_2, 0);
EXPECT_FP_EQ(cx, test_var_2);
const T test_var_3 = T(10.0);
TEST_REGULAR(cx, test_var_3, 0);
EXPECT_FP_EQ(cx, test_var_3);
const T test_var_4 = T(-10.0);
TEST_REGULAR(cx, test_var_4, 0);
EXPECT_FP_EQ(cx, test_var_4);
const T test_var_5 = T(1234.0);
TEST_REGULAR(cx, test_var_5, 0);
EXPECT_FP_EQ(cx, test_var_5);
const T test_var_6 = T(-1234.0);
TEST_REGULAR(cx, test_var_6, 0);
EXPECT_FP_EQ(cx, test_var_6);
}
};
#define LIST_CANONICALIZE_TESTS(T, func) \
using LlvmLibcCanonicalizeTest = CanonicalizeTest<T>; \
TEST_F(LlvmLibcCanonicalizeTest, SpecialNumbers) { \
testSpecialNumbers(&func); \
} \
TEST_F(LlvmLibcCanonicalizeTest, RegularNubmers) { \
testRegularNumbers(&func); \
}
#define X86_80_SPECIAL_CANONICALIZE_TEST(T, func) \
using LlvmLibcCanonicalizeTest = CanonicalizeTest<T>; \
TEST_F(LlvmLibcCanonicalizeTest, X64_80SpecialNumbers) { \
testX64_80SpecialNumbers(&func); \
}
#endif // LLVM_LIBC_TEST_SRC_MATH_SMOKE_CANONICALIZETEST_H

13
libc/test/src/math/smoke/canonicalize_test.cpp Normal file
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@ -0,0 +1,13 @@
//===-- Unittests for canonicalize ----------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CanonicalizeTest.h"
#include "src/math/canonicalize.h"
LIST_CANONICALIZE_TESTS(double, LIBC_NAMESPACE::canonicalize)

13
libc/test/src/math/smoke/canonicalizef128_test.cpp Normal file
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@ -0,0 +1,13 @@
//===-- Unittests for canonicalizef128 ------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CanonicalizeTest.h"
#include "src/math/canonicalizef128.h"
LIST_CANONICALIZE_TESTS(float128, LIBC_NAMESPACE::canonicalizef128)

13
libc/test/src/math/smoke/canonicalizef_test.cpp Normal file
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@ -0,0 +1,13 @@
//===-- Unittests for canonicalizef ---------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CanonicalizeTest.h"
#include "src/math/canonicalizef.h"
LIST_CANONICALIZE_TESTS(float, LIBC_NAMESPACE::canonicalizef)

19
libc/test/src/math/smoke/canonicalizel_test.cpp Normal file
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@ -0,0 +1,19 @@
//===-- Unittests for canonicalizel ---------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CanonicalizeTest.h"
#include "src/math/canonicalizel.h"
LIST_CANONICALIZE_TESTS(long double, LIBC_NAMESPACE::canonicalizel)
#ifdef LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80
X86_80_SPECIAL_CANONICALIZE_TEST(long double, LIBC_NAMESPACE::canonicalizel)
#endif // LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80

3
utils/bazel/llvm-project-overlay/libc/BUILD.bazel
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@ -622,6 +622,9 @@ libc_support_library(
name = "__support_fputil_basic_operations",
hdrs = ["src/__support/FPUtil/BasicOperations.h"],
deps = [
":__support_fputil_fenv_impl",
":__support_macros_optimization",
":__support_uint128",
":__support_common",
":__support_cpp_type_traits",
":__support_fputil_fp_bits",