FM / bits

/usr/include/bits

Name	Size	Mode	Actions
platform/	-	0755	rm
types/	-	0755	rm
a.out.h	268	0644	edit dl rm
argp-ldbl.h	1010	0644	edit dl rm
atomic_wide_counter.h	1283	0644	edit dl rm
byteswap.h	2450	0644	edit dl rm
cmathcalls.h	4139	0644	edit dl rm
confname.h	23828	0644	edit dl rm
cpu-set.h	4516	0644	edit dl rm
dirent.h	1771	0644	edit dl rm
dirent_ext.h	1275	0644	edit dl rm
dlfcn.h	2521	0644	edit dl rm
dl_find_object.h	1114	0644	edit dl rm
elfclass.h	426	0644	edit dl rm
endian.h	1905	0644	edit dl rm
endianness.h	273	0644	edit dl rm
environments.h	3791	0644	edit dl rm
epoll.h	1071	0644	edit dl rm
err-ldbl.h	1148	0644	edit dl rm
errno.h	1426	0644	edit dl rm
error-ldbl.h	1012	0644	edit dl rm
error.h	2684	0644	edit dl rm
eventfd.h	1129	0644	edit dl rm
fcntl-linux.h	14050	0644	edit dl rm
fcntl.h	2246	0644	edit dl rm
fcntl2.h	5575	0644	edit dl rm
fenv.h	3370	0644	edit dl rm
floatn-common.h	10325	0644	edit dl rm
floatn.h	4457	0644	edit dl rm
flt-eval-method.h	1215	0644	edit dl rm
fp-fast.h	1216	0644	edit dl rm
fp-logb.h	1012	0644	edit dl rm
getopt_core.h	3667	0644	edit dl rm
getopt_ext.h	3038	0644	edit dl rm
getopt_posix.h	1810	0644	edit dl rm
hwcap.h	972	0644	edit dl rm
in.h	9596	0644	edit dl rm
indirect-return.h	1591	0644	edit dl rm
inet-fortified-decl.h	1842	0644	edit dl rm
inet-fortified.h	1793	0644	edit dl rm
initspin.h	25	0644	edit dl rm
inotify.h	1080	0644	edit dl rm
ioctl-types.h	2456	0644	edit dl rm
ioctls.h	4478	0644	edit dl rm
ipc-perm.h	1745	0644	edit dl rm
ipc.h	1523	0644	edit dl rm
ipctypes.h	1176	0644	edit dl rm
iscanonical.h	2479	0644	edit dl rm
libc-header-start.h	4286	0644	edit dl rm
libm-simd-decl-stubs.h	3004	0644	edit dl rm
link.h	4286	0644	edit dl rm
link_lavcurrent.h	1099	0644	edit dl rm
locale.h	1368	0644	edit dl rm
local_lim.h	3176	0644	edit dl rm
long-double.h	970	0644	edit dl rm
math-vector.h	2308	0644	edit dl rm
mathcalls-helper-functions.h	1863	0644	edit dl rm
mathcalls-narrow.h	1312	0644	edit dl rm
mathcalls.h	13385	0644	edit dl rm
mathdef.h	891	0644	edit dl rm
mman-linux.h	5086	0644	edit dl rm
mman-map-flags-generic.h	1997	0644	edit dl rm
mman-shared.h	2841	0644	edit dl rm
mman.h	1363	0644	edit dl rm
monetary-ldbl.h	1047	0644	edit dl rm
mqueue.h	1246	0644	edit dl rm
mqueue2.h	2151	0644	edit dl rm
msq.h	1793	0644	edit dl rm
netdb.h	1264	0644	edit dl rm
param.h	1433	0644	edit dl rm
poll.h	2076	0644	edit dl rm
poll2.h	2666	0644	edit dl rm
posix1_lim.h	5198	0644	edit dl rm
posix2_lim.h	2867	0644	edit dl rm
posix_opt.h	5913	0644	edit dl rm
printf-ldbl.h	992	0644	edit dl rm
procfs-extra.h	963	0644	edit dl rm
procfs-id.h	1148	0644	edit dl rm
procfs-prregset.h	1050	0644	edit dl rm
procfs.h	2025	0644	edit dl rm
pthreadtypes-arch.h	1838	0644	edit dl rm
pthreadtypes.h	3072	0644	edit dl rm
pthread_stack_min-dynamic.h	1209	0644	edit dl rm
pthread_stack_min.h	946	0644	edit dl rm
ptrace-shared.h	4091	0644	edit dl rm
resource.h	6308	0644	edit dl rm
rseq.h	1243	0644	edit dl rm
sched.h	5673	0644	edit dl rm
select.h	1505	0644	edit dl rm
select2.h	1438	0644	edit dl rm
sem.h	2259	0644	edit dl rm
semaphore.h	1215	0644	edit dl rm
setjmp.h	1287	0644	edit dl rm
setjmp2.h	1705	0644	edit dl rm
shm.h	2766	0644	edit dl rm
shmlba.h	1106	0644	edit dl rm
sigaction.h	2935	0644	edit dl rm
sigcontext.h	4266	0644	edit dl rm
sigevent-consts.h	1471	0644	edit dl rm
siginfo-arch.h	729	0644	edit dl rm
siginfo-consts-arch.h	204	0644	edit dl rm
siginfo-consts.h	7036	0644	edit dl rm
signalfd.h	1067	0644	edit dl rm
signal_ext.h	1285	0644	edit dl rm
signum-arch.h	2580	0644	edit dl rm
signum-generic.h	3313	0644	edit dl rm
sigstack.h	1168	0644	edit dl rm
sigstksz.h	1278	0644	edit dl rm
sigthread.h	1692	0644	edit dl rm
sockaddr.h	1514	0644	edit dl rm
socket-constants.h	2497	0644	edit dl rm
socket.h	13554	0644	edit dl rm
socket2.h	3057	0644	edit dl rm
socket_type.h	2216	0644	edit dl rm
ss_flags.h	1188	0644	edit dl rm
stab.def	9040	0644	edit dl rm
stat.h	2231	0644	edit dl rm
statfs.h	1917	0644	edit dl rm
statvfs.h	3423	0644	edit dl rm
statx-generic.h	2187	0644	edit dl rm
statx.h	1400	0644	edit dl rm
stdint-intn.h	1037	0644	edit dl rm
stdint-uintn.h	1049	0644	edit dl rm
stdio-ldbl.h	3481	0644	edit dl rm
stdio.h	5599	0644	edit dl rm
stdio2-decl.h	4235	0644	edit dl rm
stdio2.h	10101	0644	edit dl rm
stdio_lim.h	1213	0644	edit dl rm
stdlib-bsearch.h	1557	0644	edit dl rm
stdlib-float.h	1115	0644	edit dl rm
stdlib-ldbl.h	2020	0644	edit dl rm
stdlib.h	5789	0644	edit dl rm
strings_fortified.h	1240	0644	edit dl rm
string_fortified.h	4345	0644	edit dl rm
struct_mutex.h	1810	0644	edit dl rm
struct_rwlock.h	2027	0644	edit dl rm
struct_stat.h	6190	0644	edit dl rm
struct_stat_time64_helper.h	2601	0644	edit dl rm
syscall.h	46524	0644	edit dl rm
syslog-ldbl.h	1204	0644	edit dl rm
syslog-path.h	1061	0644	edit dl rm
syslog.h	1969	0644	edit dl rm
sysmacros.h	2953	0644	edit dl rm
termios-baud.h	1824	0644	edit dl rm
termios-c_cc.h	1279	0644	edit dl rm
termios-c_cflag.h	1230	0644	edit dl rm
termios-c_iflag.h	1936	0644	edit dl rm
termios-c_lflag.h	2594	0644	edit dl rm
termios-c_oflag.h	2822	0644	edit dl rm
termios-misc.h	969	0644	edit dl rm
termios-struct.h	1433	0644	edit dl rm
termios-tcflow.h	1062	0644	edit dl rm
termios.h	2168	0644	edit dl rm
thread-shared-types.h	3927	0644	edit dl rm
time.h	3296	0644	edit dl rm
time64.h	1340	0644	edit dl rm
timerfd.h	1103	0644	edit dl rm
timesize.h	1081	0644	edit dl rm
timex.h	6198	0644	edit dl rm
types.h	8806	0644	edit dl rm
typesizes.h	3737	0644	edit dl rm
uintn-identity.h	1542	0644	edit dl rm
uio-ext.h	2086	0644	edit dl rm
uio_lim.h	1385	0644	edit dl rm
unistd.h	11653	0644	edit dl rm
unistd_ext.h	2538	0644	edit dl rm
utmp.h	4067	0644	edit dl rm
utmpx.h	3578	0644	edit dl rm
utsname.h	1213	0644	edit dl rm
waitflags.h	1697	0644	edit dl rm
waitstatus.h	2287	0644	edit dl rm
wchar-ldbl.h	3083	0644	edit dl rm
wchar.h	1906	0644	edit dl rm
wchar2-decl.h	4576	0644	edit dl rm
wchar2.h	14885	0644	edit dl rm
wctype-wchar.h	6307	0644	edit dl rm
wordsize.h	442	0644	edit dl rm
xopen_lim.h	3858	0644	edit dl rm

Edit: /usr/include/bits/floatn-common.h (10325B)

/* Macros to control TS 18661-3 glibc features where the same
   definitions are appropriate for all platforms.
   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_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 && !__GNUC_PREREQ (13, 0))
/* 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 && !__GNUC_PREREQ (13, 0))
#   define __f32(x) x##f
#  else
#   define __f32(x) x##f32
#  endif
# endif

# if __HAVE_FLOAT64
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
#   define __f32x(x) x
#  else
#   define __f32x(x) x##f32x
#  endif
# endif

# if __HAVE_FLOAT64X
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
#   define __CFLOAT32 _Complex float
#  else
#   define __CFLOAT32 _Complex _Float32
#  endif
# endif

# if __HAVE_FLOAT64
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
#   define __CFLOAT32X _Complex double
#  else
#   define __CFLOAT32X _Complex _Float32x
#  endif
# endif

# if __HAVE_FLOAT64X
#  if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
#   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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
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 && !__GNUC_PREREQ (13, 0))
#   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 */

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