ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / include / bits

/* Macros to control TS 18661-3 glibc features on x86.
   Copyright (C) 2017-2021 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_H
#define _BITS_FLOATN_H

#include <features.h>

/* Defined to 1 if the current compiler invocation provides a
   floating-point type with the IEEE 754 binary128 format, and this
   glibc includes corresponding *f128 interfaces for it.  The required
   libgcc support was added some time after the basic compiler
   support, for x86_64 and x86.  */
#if (defined __x86_64__							\
     ? __GNUC_PREREQ (4, 3)						\
     : (defined __GNU__ ? __GNUC_PREREQ (4, 5) : __GNUC_PREREQ (4, 4)))
# define __HAVE_FLOAT128 1
#else
# define __HAVE_FLOAT128 0
#endif

/* Defined to 1 if __HAVE_FLOAT128 is 1 and the type is ABI-distinct
   from the default float, double and long double types in this glibc.  */
#if __HAVE_FLOAT128
# define __HAVE_DISTINCT_FLOAT128 1
#else
# define __HAVE_DISTINCT_FLOAT128 0
#endif

/* Defined to 1 if the current compiler invocation provides a
   floating-point type with the right format for _Float64x, and this
   glibc includes corresponding *f64x interfaces for it.  */
#define __HAVE_FLOAT64X 1

/* Defined to 1 if __HAVE_FLOAT64X is 1 and _Float64x has the format
   of long double.  Otherwise, if __HAVE_FLOAT64X is 1, _Float64x has
   the format of _Float128, which must be different from that of long
   double.  */
#define __HAVE_FLOAT64X_LONG_DOUBLE 1

#ifndef __ASSEMBLER__

/* Defined to concatenate the literal suffix to be used with _Float128
   types, if __HAVE_FLOAT128 is 1. */
# if __HAVE_FLOAT128
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
/* The literal suffix f128 exists only since GCC 7.0.  */
#   define __f128(x) x##q
#  else
#   define __f128(x) x##f128
#  endif
# endif

/* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1.  */
# if __HAVE_FLOAT128
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
/* Add a typedef for older GCC compilers which don't natively support
   _Complex _Float128.  */
typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__)));
#   define __CFLOAT128 __cfloat128
#  else
#   define __CFLOAT128 _Complex _Float128
#  endif
# endif

/* The remaining of this file provides support for older compilers.  */
# if __HAVE_FLOAT128

/* The type _Float128 exists only since GCC 7.0.  */
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
typedef __float128 _Float128;
#  endif

/* __builtin_huge_valf128 doesn't exist before GCC 7.0.  */
#  if !__GNUC_PREREQ (7, 0)
#   define __builtin_huge_valf128() ((_Float128) __builtin_huge_val ())
#  endif

/* Older GCC has only a subset of built-in functions for _Float128 on
   x86, and __builtin_infq is not usable in static initializers.
   Converting a narrower sNaN to _Float128 produces a quiet NaN, so
   attempts to use _Float128 sNaNs will not work properly with older
   compilers.  */
#  if !__GNUC_PREREQ (7, 0)
#   define __builtin_copysignf128 __builtin_copysignq
#   define __builtin_fabsf128 __builtin_fabsq
#   define __builtin_inff128() ((_Float128) __builtin_inf ())
#   define __builtin_nanf128(x) ((_Float128) __builtin_nan (x))
#   define __builtin_nansf128(x) ((_Float128) __builtin_nans (x))
#  endif

/* In math/math.h, __MATH_TG will expand signbit to __builtin_signbit*,
   e.g.: __builtin_signbitf128, before GCC 6.  However, there has never
   been a __builtin_signbitf128 in GCC and the type-generic builtin is
   only available since GCC 6.  */
#  if !__GNUC_PREREQ (6, 0)
#   define __builtin_signbitf128 __signbitf128
#  endif

# endif

#endif /* !__ASSEMBLER__.  */

#include <bits/floatn-common.h>

#endif /* _BITS_FLOATN_H */

[+] ..
[-] stdlib-ldbl.h [edit]
[-] types.h [edit]
[-] ipctypes.h [edit]
[-] sysmacros.h [edit]
[-] statvfs.h [edit]
[-] statfs.h [edit]
[-] utmp.h [edit]
[-] procfs-id.h [edit]
[-] time.h [edit]
[-] select2.h [edit]
[-] struct_mutex.h [edit]
[-] statx-generic.h [edit]
[-] shmlba.h [edit]
[-] termios.h [edit]
[-] stdint-uintn.h [edit]
[-] pthreadtypes.h [edit]
[-] inet-fortified-decl.h [edit]
[-] mman-map-flags-generic.h [edit]
[-] wchar2.h [edit]
[-] confname.h [edit]
[-] utmpx.h [edit]
[-] struct_stat.h [edit]
[-] indirect-return.h [edit]
[-] wchar2-decl.h [edit]
[-] strings_fortified.h [edit]
[-] link_lavcurrent.h [edit]
[-] waitstatus.h [edit]
[-] termios-struct.h [edit]
[-] cmathcalls.h [edit]
[-] getopt_ext.h [edit]
[-] wctype-wchar.h [edit]
[-] sigstksz.h [edit]
[-] wchar-ldbl.h [edit]
[-] string_fortified.h [edit]
[-] struct_rwlock.h [edit]
[-] termios-c_oflag.h [edit]
[-] syslog-path.h [edit]
[-] pthread_stack_min.h [edit]
[-] dlfcn.h [edit]
[-] signalfd.h [edit]
[-] in.h [edit]
[-] stdio.h [edit]
[-] endianness.h [edit]
[-] stdio_lim.h [edit]
[-] error.h [edit]
[-] stab.def [edit]
[-] initspin.h [edit]
[-] procfs-prregset.h [edit]
[-] fcntl-linux.h [edit]
[-] stdio-ldbl.h [edit]
[-] timex.h [edit]
[-] statx.h [edit]
[-] termios-baud.h [edit]
[-] ioctl-types.h [edit]
[-] dirent_ext.h [edit]
[-] timerfd.h [edit]
[-] libm-simd-decl-stubs.h [edit]
[-] mman.h [edit]
[-] semaphore.h [edit]
[-] procfs.h [edit]
[-] flt-eval-method.h [edit]
[-] setjmp2.h [edit]
[-] rseq.h [edit]
[-] mman-linux.h [edit]
[-] typesizes.h [edit]
[-] fenv.h [edit]
[-] signum-arch.h [edit]
[-] stdio2-decl.h [edit]
[-] mqueue2.h [edit]
[-] printf-ldbl.h [edit]
[-] posix1_lim.h [edit]
[-] byteswap.h [edit]
[-] posix2_lim.h [edit]
[-] setjmp.h [edit]
[-] sem.h [edit]
[-] ipc-perm.h [edit]
[-] stdio2.h [edit]
[-] errno.h [edit]
[-] mqueue.h [edit]
[-] mathcalls.h [edit]
[-] long-double.h [edit]
[-] pthread_stack_min-dynamic.h [edit]
[-] sigstack.h [edit]
[-] elfclass.h [edit]
[-] termios-c_cc.h [edit]
[-] floatn-common.h [edit]
[-] mathcalls-helper-functions.h [edit]
[-] unistd_ext.h [edit]
[-] socket_type.h [edit]
[-] mman-shared.h [edit]
[-] unistd.h [edit]
[-] wchar.h [edit]
[-] dl_find_object.h [edit]
[-] error-ldbl.h [edit]
[-] ptrace-shared.h [edit]
[-] mathcalls-narrow.h [edit]
[-] libc-header-start.h [edit]
[-] netdb.h [edit]
[-] sigthread.h [edit]
[-] link.h [edit]
[-] fp-logb.h [edit]
[-] procfs-extra.h [edit]
[-] stdlib-bsearch.h [edit]
[-] posix_opt.h [edit]
[-] stdint-intn.h [edit]
[-] sockaddr.h [edit]
[-] inet-fortified.h [edit]
[-] thread-shared-types.h [edit]
[-] getopt_posix.h [edit]
[-] stdlib-float.h [edit]
[-] utsname.h [edit]
[-] ioctls.h [edit]
[-] uio_lim.h [edit]
[-] uio-ext.h [edit]
[-] signum-generic.h [edit]
[-] termios-c_lflag.h [edit]
[-] syslog-ldbl.h [edit]
[-] mathdef.h [edit]
[-] param.h [edit]
[-] select.h [edit]
[-] epoll.h [edit]
[-] socket.h [edit]
[-] uintn-identity.h [edit]
[-] signal_ext.h [edit]
[-] endian.h [edit]
[-] argp-ldbl.h [edit]
[-] resource.h [edit]
[-] local_lim.h [edit]
[-] stat.h [edit]
[-] fp-fast.h [edit]
[-] eventfd.h [edit]
[-] poll2.h [edit]
[-] termios-c_cflag.h [edit]
[-] cpu-set.h [edit]
[-] sched.h [edit]
[-] siginfo-arch.h [edit]
[-] time64.h [edit]
[-] math-vector.h [edit]
[-] inotify.h [edit]
[-] siginfo-consts-arch.h [edit]
[-] locale.h [edit]
[-] msq.h [edit]
[-] siginfo-consts.h [edit]
[-] err-ldbl.h [edit]
[+] types
[-] waitflags.h [edit]
[-] iscanonical.h [edit]
[-] atomic_wide_counter.h [edit]
[-] termios-c_iflag.h [edit]
[-] pthreadtypes-arch.h [edit]
[-] floatn.h [edit]
[-] syslog.h [edit]
[-] xopen_lim.h [edit]
[-] environments.h [edit]
[-] termios-misc.h [edit]
[-] hwcap.h [edit]
[-] wordsize.h [edit]
[-] ipc.h [edit]
[-] timesize.h [edit]
[-] sigevent-consts.h [edit]
[-] fcntl.h [edit]
[-] syscall.h [edit]
[-] fcntl2.h [edit]
[-] a.out.h [edit]
[+] platform
[-] sigaction.h [edit]
[-] stdlib.h [edit]
[-] dirent.h [edit]
[-] termios-tcflow.h [edit]
[-] ss_flags.h [edit]
[-] poll.h [edit]
[-] monetary-ldbl.h [edit]
[-] getopt_core.h [edit]
[-] sigcontext.h [edit]
[-] socket2.h [edit]
[-] shm.h [edit]
[-] struct_stat_time64_helper.h [edit]
[-] socket-constants.h [edit]