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.ccls-cache/@@home@runner@C/@nix@store@4pqv2mwdn88h7xvsm7a5zplrd8sxzvw0-glibc-2.35-163-dev@include@bits@floatn-common.h

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+/* Macros to control TS 18661-3 glibc features where the same
+   definitions are appropriate for all platforms.
+   Copyright (C) 2017-2022 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_FLOATN_COMMON_H
+#define _BITS_FLOATN_COMMON_H
+
+#include <features.h>
+#include <bits/long-double.h>
+
+/* This header should be included at the bottom of each bits/floatn.h.
+   It defines the following macros for each _FloatN and _FloatNx type,
+   where the same definitions, or definitions based only on the macros
+   in bits/floatn.h, are appropriate for all glibc configurations.  */
+
+/* Defined to 1 if the current compiler invocation provides a
+   floating-point type with the right format for this type, and this
+   glibc includes corresponding *fN or *fNx interfaces for it.  */
+#define __HAVE_FLOAT16 0
+#define __HAVE_FLOAT32 1
+#define __HAVE_FLOAT64 1
+#define __HAVE_FLOAT32X 1
+#define __HAVE_FLOAT128X 0
+
+/* Defined to 1 if the corresponding __HAVE_<type> macro is 1 and the
+   type is the first with its format in the sequence of (the default
+   choices for) float, double, long double, _Float16, _Float32,
+   _Float64, _Float128, _Float32x, _Float64x, _Float128x for this
+   glibc; that is, if functions present once per floating-point format
+   rather than once per type are present for this type.
+
+   All configurations supported by glibc have _Float32 the same format
+   as float, _Float64 and _Float32x the same format as double, the
+   _Float64x the same format as either long double or _Float128.  No
+   configurations support _Float128x or, as of GCC 7, have compiler
+   support for a type meeting the requirements for _Float128x.  */
+#define __HAVE_DISTINCT_FLOAT16 __HAVE_FLOAT16
+#define __HAVE_DISTINCT_FLOAT32 0
+#define __HAVE_DISTINCT_FLOAT64 0
+#define __HAVE_DISTINCT_FLOAT32X 0
+#define __HAVE_DISTINCT_FLOAT64X 0
+#define __HAVE_DISTINCT_FLOAT128X __HAVE_FLOAT128X
+
+/* Defined to 1 if the corresponding _FloatN type is not binary compatible
+   with the corresponding ISO C type in the current compilation unit as
+   opposed to __HAVE_DISTINCT_FLOATN, which indicates the default types built
+   in glibc.  */
+#define __HAVE_FLOAT128_UNLIKE_LDBL (__HAVE_DISTINCT_FLOAT128	\
+				     && __LDBL_MANT_DIG__ != 113)
+
+/* Defined to 1 if any _FloatN or _FloatNx types that are not
+   ABI-distinct are however distinct types at the C language level (so
+   for the purposes of __builtin_types_compatible_p and _Generic).  */
+#if __GNUC_PREREQ (7, 0) && !defined __cplusplus
+# define __HAVE_FLOATN_NOT_TYPEDEF 1
+#else
+# define __HAVE_FLOATN_NOT_TYPEDEF 0
+#endif
+
+#ifndef __ASSEMBLER__
+
+/* Defined to concatenate the literal suffix to be used with _FloatN
+   or _FloatNx types, if __HAVE_<type> is 1.  The corresponding
+   literal suffixes exist since GCC 7, for C only.  */
+# if __HAVE_FLOAT16
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+/* No corresponding suffix available for this type.  */
+#   define __f16(x) ((_Float16) x##f)
+#  else
+#   define __f16(x) x##f16
+#  endif
+# endif
+
+# if __HAVE_FLOAT32
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __f32(x) x##f
+#  else
+#   define __f32(x) x##f32
+#  endif
+# endif
+
+# if __HAVE_FLOAT64
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   ifdef __NO_LONG_DOUBLE_MATH
+#    define __f64(x) x##l
+#   else
+#    define __f64(x) x
+#   endif
+#  else
+#   define __f64(x) x##f64
+#  endif
+# endif
+
+# if __HAVE_FLOAT32X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __f32x(x) x
+#  else
+#   define __f32x(x) x##f32x
+#  endif
+# endif
+
+# if __HAVE_FLOAT64X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   if __HAVE_FLOAT64X_LONG_DOUBLE
+#    define __f64x(x) x##l
+#   else
+#    define __f64x(x) __f128 (x)
+#   endif
+#  else
+#   define __f64x(x) x##f64x
+#  endif
+# endif
+
+# if __HAVE_FLOAT128X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128X supported but no constant suffix"
+#  else
+#   define __f128x(x) x##f128x
+#  endif
+# endif
+
+/* Defined to a complex type if __HAVE_<type> is 1.  */
+# if __HAVE_FLOAT16
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef _Complex float __cfloat16 __attribute__ ((__mode__ (__HC__)));
+#   define __CFLOAT16 __cfloat16
+#  else
+#   define __CFLOAT16 _Complex _Float16
+#  endif
+# endif
+
+# if __HAVE_FLOAT32
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __CFLOAT32 _Complex float
+#  else
+#   define __CFLOAT32 _Complex _Float32
+#  endif
+# endif
+
+# if __HAVE_FLOAT64
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   ifdef __NO_LONG_DOUBLE_MATH
+#    define __CFLOAT64 _Complex long double
+#   else
+#    define __CFLOAT64 _Complex double
+#   endif
+#  else
+#   define __CFLOAT64 _Complex _Float64
+#  endif
+# endif
+
+# if __HAVE_FLOAT32X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   define __CFLOAT32X _Complex double
+#  else
+#   define __CFLOAT32X _Complex _Float32x
+#  endif
+# endif
+
+# if __HAVE_FLOAT64X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   if __HAVE_FLOAT64X_LONG_DOUBLE
+#    define __CFLOAT64X _Complex long double
+#   else
+#    define __CFLOAT64X __CFLOAT128
+#   endif
+#  else
+#   define __CFLOAT64X _Complex _Float64x
+#  endif
+# endif
+
+# if __HAVE_FLOAT128X
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128X supported but no complex type"
+#  else
+#   define __CFLOAT128X _Complex _Float128x
+#  endif
+# endif
+
+/* The remaining of this file provides support for older compilers.  */
+# if __HAVE_FLOAT16
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef float _Float16 __attribute__ ((__mode__ (__HF__)));
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf16() ((_Float16) __builtin_huge_val ())
+#   define __builtin_inff16() ((_Float16) __builtin_inf ())
+#   define __builtin_nanf16(x) ((_Float16) __builtin_nan (x))
+#   define __builtin_nansf16(x) ((_Float16) __builtin_nans (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT32
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef float _Float32;
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf32() (__builtin_huge_valf ())
+#   define __builtin_inff32() (__builtin_inff ())
+#   define __builtin_nanf32(x) (__builtin_nanf (x))
+#   define __builtin_nansf32(x) (__builtin_nansf (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT64
+
+/* If double, long double and _Float64 all have the same set of
+   values, TS 18661-3 requires the usual arithmetic conversions on
+   long double and _Float64 to produce _Float64.  For this to be the
+   case when building with a compiler without a distinct _Float64
+   type, _Float64 must be a typedef for long double, not for
+   double.  */
+
+#  ifdef __NO_LONG_DOUBLE_MATH
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef long double _Float64;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64() (__builtin_huge_vall ())
+#    define __builtin_inff64() (__builtin_infl ())
+#    define __builtin_nanf64(x) (__builtin_nanl (x))
+#    define __builtin_nansf64(x) (__builtin_nansl (x))
+#   endif
+
+#  else
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef double _Float64;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64() (__builtin_huge_val ())
+#    define __builtin_inff64() (__builtin_inf ())
+#    define __builtin_nanf64(x) (__builtin_nan (x))
+#    define __builtin_nansf64(x) (__builtin_nans (x))
+#   endif
+
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT32X
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef double _Float32x;
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf32x() (__builtin_huge_val ())
+#   define __builtin_inff32x() (__builtin_inf ())
+#   define __builtin_nanf32x(x) (__builtin_nan (x))
+#   define __builtin_nansf32x(x) (__builtin_nans (x))
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT64X
+
+#  if __HAVE_FLOAT64X_LONG_DOUBLE
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef long double _Float64x;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64x() (__builtin_huge_vall ())
+#    define __builtin_inff64x() (__builtin_infl ())
+#    define __builtin_nanf64x(x) (__builtin_nanl (x))
+#    define __builtin_nansf64x(x) (__builtin_nansl (x))
+#   endif
+
+#  else
+
+#   if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+typedef _Float128 _Float64x;
+#   endif
+
+#   if !__GNUC_PREREQ (7, 0)
+#    define __builtin_huge_valf64x() (__builtin_huge_valf128 ())
+#    define __builtin_inff64x() (__builtin_inff128 ())
+#    define __builtin_nanf64x(x) (__builtin_nanf128 (x))
+#    define __builtin_nansf64x(x) (__builtin_nansf128 (x))
+#   endif
+
+#  endif
+
+# endif
+
+# if __HAVE_FLOAT128X
+
+#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
+#   error "_Float128x supported but no type"
+#  endif
+
+#  if !__GNUC_PREREQ (7, 0)
+#   define __builtin_huge_valf128x() ((_Float128x) __builtin_huge_val ())
+#   define __builtin_inff128x() ((_Float128x) __builtin_inf ())
+#   define __builtin_nanf128x(x) ((_Float128x) __builtin_nan (x))
+#   define __builtin_nansf128x(x) ((_Float128x) __builtin_nans (x))
+#  endif
+
+# endif
+
+#endif /* !__ASSEMBLER__.  */
+
+#endif /* _BITS_FLOATN_COMMON_H */