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[libc][math] Add float128 rounding functions (ceilf128, floorf128, roundf128, truncf128). #80634

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Merged
merged 1 commit into from
Feb 5, 2024
Merged

[libc][math] Add float128 rounding functions (ceilf128, floorf128, roundf128, truncf128). #80634

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6 changes: 5 additions & 1 deletion libc/config/linux/x86_64/entrypoints.txt
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Expand Up @@ -397,11 +397,15 @@ set(TARGET_LIBM_ENTRYPOINTS
if(LIBC_COMPILER_HAS_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
libc.src.math.ceilf128
libc.src.math.copysignf128
libc.src.math.fabsf128
libc.src.math.sqrtf128
libc.src.math.floorf128
libc.src.math.fmaxf128
libc.src.math.fminf128
libc.src.math.roundf128
libc.src.math.sqrtf128
libc.src.math.truncf128
)
endif()

Expand Down
8 changes: 8 additions & 0 deletions libc/docs/math/index.rst
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Expand Up @@ -114,6 +114,8 @@ Basic Operations
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ceill | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ceilf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysign | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| copysignf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
Expand Down Expand Up @@ -142,6 +144,8 @@ Basic Operations
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floorl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| floorf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmax | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| fmaxf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
Expand Down Expand Up @@ -266,6 +270,8 @@ Basic Operations
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| roundf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbn | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| scalbnf | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
Expand All @@ -278,6 +284,8 @@ Basic Operations
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncl | |check| | |check| | |check| | |check| | |check| | | | |check| | |check| | |check| | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| truncf128 | |check| | | | | | | | | | | | |
+--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+


Higher Math Functions
Expand Down
4 changes: 4 additions & 0 deletions libc/spec/stdc.td
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Expand Up @@ -363,6 +363,7 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"ceil", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"ceilf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
FunctionSpec<"ceill", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
FunctionSpec<"ceilf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>]>,

FunctionSpec<"fabs", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"fabsf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
Expand All @@ -376,6 +377,7 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"floor", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"floorf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
FunctionSpec<"floorl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
FunctionSpec<"floorf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>]>,

FunctionSpec<"fmin", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
FunctionSpec<"fminf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
Expand Down Expand Up @@ -458,6 +460,7 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"round", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"roundf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
FunctionSpec<"roundl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
FunctionSpec<"roundf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>]>,

FunctionSpec<"lround", RetValSpec<LongType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"lroundf", RetValSpec<LongType>, [ArgSpec<FloatType>]>,
Expand Down Expand Up @@ -487,6 +490,7 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"trunc", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"truncf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
FunctionSpec<"truncl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
FunctionSpec<"truncf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>]>,

FunctionSpec<"nearbyint", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
FunctionSpec<"nearbyintf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
Expand Down
4 changes: 4 additions & 0 deletions libc/src/math/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ add_math_entrypoint_object(atanhf)
add_math_entrypoint_object(ceil)
add_math_entrypoint_object(ceilf)
add_math_entrypoint_object(ceill)
add_math_entrypoint_object(ceilf128)

add_math_entrypoint_object(copysign)
add_math_entrypoint_object(copysignf)
Expand Down Expand Up @@ -114,6 +115,7 @@ add_math_entrypoint_object(fdiml)
add_math_entrypoint_object(floor)
add_math_entrypoint_object(floorf)
add_math_entrypoint_object(floorl)
add_math_entrypoint_object(floorf128)

add_math_entrypoint_object(fma)
add_math_entrypoint_object(fmaf)
Expand Down Expand Up @@ -216,6 +218,7 @@ add_math_entrypoint_object(rintl)
add_math_entrypoint_object(round)
add_math_entrypoint_object(roundf)
add_math_entrypoint_object(roundl)
add_math_entrypoint_object(roundf128)

add_math_entrypoint_object(scalbn)
add_math_entrypoint_object(scalbnf)
Expand Down Expand Up @@ -247,3 +250,4 @@ add_math_entrypoint_object(tgammaf)
add_math_entrypoint_object(trunc)
add_math_entrypoint_object(truncf)
add_math_entrypoint_object(truncl)
add_math_entrypoint_object(truncf128)
20 changes: 20 additions & 0 deletions libc/src/math/ceilf128.h
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@@ -0,0 +1,20 @@
//===-- Implementation header for ceilf128 ----------------------*- 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_CEILF128_H
#define LLVM_LIBC_SRC_MATH_CEILF128_H

#include "src/__support/macros/properties/float.h"

namespace LIBC_NAMESPACE {

float128 ceilf128(float128 x);

} // namespace LIBC_NAMESPACE

#endif // LLVM_LIBC_SRC_MATH_CEILF128_H
20 changes: 20 additions & 0 deletions libc/src/math/floorf128.h
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@@ -0,0 +1,20 @@
//===-- Implementation header for floorf128 ---------------------*- 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_FLOORF128_H
#define LLVM_LIBC_SRC_MATH_FLOORF128_H

#include "src/__support/macros/properties/float.h"

namespace LIBC_NAMESPACE {

float128 floorf128(float128 x);

} // namespace LIBC_NAMESPACE

#endif // LLVM_LIBC_SRC_MATH_FLOORF128_H
88 changes: 68 additions & 20 deletions libc/src/math/generic/CMakeLists.txt
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Expand Up @@ -4,10 +4,10 @@ add_entrypoint_object(
ceil.cpp
HDRS
../ceil.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -16,10 +16,10 @@ add_entrypoint_object(
ceilf.cpp
HDRS
../ceilf.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -28,10 +28,22 @@ add_entrypoint_object(
ceill.cpp
HDRS
../ceill.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
ceilf128
SRCS
ceilf128.cpp
HDRS
../ceilf128.h
COMPILE_OPTIONS
-O2
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_object_library(
Expand Down Expand Up @@ -214,10 +226,10 @@ add_entrypoint_object(
trunc.cpp
HDRS
../trunc.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -226,10 +238,10 @@ add_entrypoint_object(
truncf.cpp
HDRS
../truncf.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -238,10 +250,22 @@ add_entrypoint_object(
truncl.cpp
HDRS
../truncl.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
truncf128
SRCS
truncf128.cpp
HDRS
../truncf128.h
COMPILE_OPTIONS
-O2
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
Expand All @@ -250,10 +274,10 @@ add_entrypoint_object(
floor.cpp
HDRS
../floor.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -262,10 +286,10 @@ add_entrypoint_object(
floorf.cpp
HDRS
../floorf.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -274,10 +298,22 @@ add_entrypoint_object(
floorl.cpp
HDRS
../floorl.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
floorf128
SRCS
floorf128.cpp
HDRS
../floorf128.h
COMPILE_OPTIONS
-O2
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
Expand All @@ -286,10 +322,10 @@ add_entrypoint_object(
round.cpp
HDRS
../round.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -298,10 +334,10 @@ add_entrypoint_object(
roundf.cpp
HDRS
../roundf.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
COMPILE_OPTIONS
-O2
)

add_entrypoint_object(
Expand All @@ -310,10 +346,22 @@ add_entrypoint_object(
roundl.cpp
HDRS
../roundl.h
COMPILE_OPTIONS
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
roundf128
SRCS
roundf128.cpp
HDRS
../roundf128.h
COMPILE_OPTIONS
-O2
-O3
DEPENDS
libc.src.__support.FPUtil.nearest_integer_operations
)

add_entrypoint_object(
Expand Down
17 changes: 17 additions & 0 deletions libc/src/math/generic/ceilf128.cpp
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@@ -0,0 +1,17 @@
//===-- Implementation of ceilf128 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/ceilf128.h"
#include "src/__support/FPUtil/NearestIntegerOperations.h"
#include "src/__support/common.h"

namespace LIBC_NAMESPACE {

LLVM_LIBC_FUNCTION(float128, ceilf128, (float128 x)) { return fputil::ceil(x); }

} // namespace LIBC_NAMESPACE
19 changes: 19 additions & 0 deletions libc/src/math/generic/floorf128.cpp
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@@ -0,0 +1,19 @@
//===-- Implementation of floorf128 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/floorf128.h"
#include "src/__support/FPUtil/NearestIntegerOperations.h"
#include "src/__support/common.h"

namespace LIBC_NAMESPACE {

LLVM_LIBC_FUNCTION(float128, floorf128, (float128 x)) {
return fputil::floor(x);
}

} // namespace LIBC_NAMESPACE
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