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Diffstat (limited to 'lib/libc/include/generic-glibc/math.h')
-rw-r--r--lib/libc/include/generic-glibc/math.h236
1 files changed, 8 insertions, 228 deletions
diff --git a/lib/libc/include/generic-glibc/math.h b/lib/libc/include/generic-glibc/math.h
index a4b822ece8..9b3f228199 100644
--- a/lib/libc/include/generic-glibc/math.h
+++ b/lib/libc/include/generic-glibc/math.h
@@ -1,5 +1,5 @@
/* Declarations for math functions.
- Copyright (C) 1991-2019 Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -14,7 +14,7 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
+ <https://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.12 Mathematics <math.h>
@@ -104,7 +104,7 @@ __BEGIN_DECLS
# endif
#endif /* __USE_ISOC99 */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
/* Signaling NaN macros, if supported. */
# if __GNUC_PREREQ (3, 3)
# define SNANF (__builtin_nansf (""))
@@ -200,7 +200,7 @@ typedef _Float128x double_t;
# define FP_ILOGBNAN 2147483647
# endif
#endif
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
# if __WORDSIZE == 32
# define __FP_LONG_MAX 0x7fffffffL
# else
@@ -232,7 +232,7 @@ typedef _Float128x double_t;
#include <bits/fp-fast.h>
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
/* Rounding direction macros for fromfp functions. */
enum
{
@@ -495,7 +495,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
#define __MATHCALL_NARROW(func, redir, nargs) \
__MATHCALL_NARROW_NORMAL (func, nargs)
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
# define _Mret_ float
# define _Marg_ double
@@ -969,7 +969,7 @@ enum
#endif /* Use ISO C99. */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
# include <bits/iscanonical.h>
/* Return nonzero value if X is a signaling NaN. */
@@ -1245,228 +1245,8 @@ iszero (__T __val)
# include <bits/mathinline.h>
#endif
-/* Define special entry points to use when the compiler got told to
- only expect finite results. */
-#if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0
-
-/* Include bits/math-finite.h for double. */
-# define _Mdouble_ double
-# define __MATH_DECLARING_DOUBLE 1
-# define __MATH_DECLARING_FLOATN 0
-# define __REDIRFROM_X(function, reentrant) \
- function ## reentrant
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## reentrant ## _finite
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-
-/* When __USE_ISOC99 is defined, include math-finite for float and
- long double, as well. */
-# ifdef __USE_ISOC99
-
-/* Include bits/math-finite.h for float. */
-# define _Mdouble_ float
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 0
-# define __REDIRFROM_X(function, reentrant) \
- function ## f ## reentrant
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f ## reentrant ## _finite
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-
-/* Include bits/math-finite.h for long double. */
-# ifdef __MATH_DECLARE_LDOUBLE
-# define _Mdouble_ long double
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 0
-# define __REDIRFROM_X(function, reentrant) \
- function ## l ## reentrant
-# ifdef __NO_LONG_DOUBLE_MATH
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## l ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# endif /* __USE_ISOC99. */
-
-/* Include bits/math-finite.h for _FloatN and _FloatNx. */
-
-# if (__HAVE_DISTINCT_FLOAT16 || (__HAVE_FLOAT16 && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float16
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f16 ## reentrant
-# if __HAVE_DISTINCT_FLOAT16
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f16 ## reentrant ## _finite
-# else
-# error "non-disinct _Float16"
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT32 || (__HAVE_FLOAT32 && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float32
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f32 ## reentrant
-# if __HAVE_DISTINCT_FLOAT32
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f32 ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT64 || (__HAVE_FLOAT64 && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float64
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f64 ## reentrant
-# if __HAVE_DISTINCT_FLOAT64
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f64 ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT128 || (__HAVE_FLOAT128 && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float128
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f128 ## reentrant
-# if __HAVE_DISTINCT_FLOAT128
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f128 ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## l ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT32X || (__HAVE_FLOAT32X && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float32x
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f32x ## reentrant
-# if __HAVE_DISTINCT_FLOAT32X
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f32x ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT64X || (__HAVE_FLOAT64X && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float64x
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f64x ## reentrant
-# if __HAVE_DISTINCT_FLOAT64X
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f64x ## reentrant ## _finite
-# elif __HAVE_FLOAT64X_LONG_DOUBLE
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## l ## reentrant ## _finite
-# else
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f128 ## reentrant ## _finite
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-# if (__HAVE_DISTINCT_FLOAT128X || (__HAVE_FLOAT128X && !defined _LIBC)) \
- && __GLIBC_USE (IEC_60559_TYPES_EXT)
-# define _Mdouble_ _Float128x
-# define __MATH_DECLARING_DOUBLE 0
-# define __MATH_DECLARING_FLOATN 1
-# define __REDIRFROM_X(function, reentrant) \
- function ## f128x ## reentrant
-# if __HAVE_DISTINCT_FLOAT128X
-# define __REDIRTO_X(function, reentrant) \
- __ ## function ## f128x ## reentrant ## _finite
-# else
-# error "non-disinct _Float128x"
-# endif
-# include <bits/math-finite.h>
-# undef _Mdouble_
-# undef __MATH_DECLARING_DOUBLE
-# undef __MATH_DECLARING_FLOATN
-# undef __REDIRFROM_X
-# undef __REDIRTO_X
-# endif
-
-#endif /* __FINITE_MATH_ONLY__ > 0. */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
/* An expression whose type has the widest of the evaluation formats
of X and Y (which are of floating-point types). */
# if __FLT_EVAL_METHOD__ == 2 || __FLT_EVAL_METHOD__ > 64
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