FM / bits

/usr/include/bits

Name	Size	Mode	Actions
types/	-	0755	rm
a.out.h	268	0644	edit dl rm
byteswap.h	2449	0644	edit dl rm
cmathcalls.h	4138	0644	edit dl rm
confname.h	23708	0644	edit dl rm
cpu-set.h	4515	0644	edit dl rm
dirent.h	1770	0644	edit dl rm
dlfcn.h	2520	0644	edit dl rm
elfclass.h	426	0644	edit dl rm
endian.h	176	0644	edit dl rm
environments.h	3790	0644	edit dl rm
epoll.h	1070	0644	edit dl rm
errno.h	1425	0644	edit dl rm
error.h	2683	0644	edit dl rm
eventfd.h	1128	0644	edit dl rm
fcntl-linux.h	13712	0644	edit dl rm
fcntl.h	2245	0644	edit dl rm
fcntl2.h	5574	0644	edit dl rm
fenv.h	4605	0644	edit dl rm
fenvinline.h	190	0644	edit dl rm
floatn-common.h	9764	0644	edit dl rm
floatn.h	4372	0644	edit dl rm
flt-eval-method.h	1214	0644	edit dl rm
fp-fast.h	1215	0644	edit dl rm
fp-logb.h	1011	0644	edit dl rm
getopt_core.h	3666	0644	edit dl rm
getopt_ext.h	3037	0644	edit dl rm
getopt_posix.h	1809	0644	edit dl rm
hwcap.h	971	0644	edit dl rm
in.h	9466	0644	edit dl rm
indirect-return.h	1585	0644	edit dl rm
initspin.h	25	0644	edit dl rm
inotify.h	1079	0644	edit dl rm
ioctl-types.h	2455	0644	edit dl rm
ioctls.h	4477	0644	edit dl rm
ipc.h	2070	0644	edit dl rm
ipctypes.h	1175	0644	edit dl rm
iscanonical.h	2478	0644	edit dl rm
libc-header-start.h	2607	0644	edit dl rm
libm-simd-decl-stubs.h	3003	0644	edit dl rm
link.h	4285	0644	edit dl rm
link_lavcurrent.h	1099	0644	edit dl rm
locale.h	1367	0644	edit dl rm
local_lim.h	3184	0644	edit dl rm
long-double.h	923	0644	edit dl rm
math-finite.h	5374	0644	edit dl rm
math-vector.h	2307	0644	edit dl rm
mathcalls-helper-functions.h	1764	0644	edit dl rm
mathcalls-narrow.h	1306	0644	edit dl rm
mathcalls.h	13100	0644	edit dl rm
mathdef.h	890	0644	edit dl rm
mathinline.h	13015	0644	edit dl rm
mman-linux.h	4895	0644	edit dl rm
mman-shared.h	2736	0644	edit dl rm
mman.h	2063	0644	edit dl rm
monetary-ldbl.h	1046	0644	edit dl rm
mqueue.h	1245	0644	edit dl rm
mqueue2.h	2150	0644	edit dl rm
msq.h	2637	0644	edit dl rm
netdb.h	1263	0644	edit dl rm
param.h	1432	0644	edit dl rm
poll.h	2075	0644	edit dl rm
poll2.h	2485	0644	edit dl rm
posix1_lim.h	5188	0644	edit dl rm
posix2_lim.h	2866	0644	edit dl rm
posix_opt.h	5766	0644	edit dl rm
printf-ldbl.h	991	0644	edit dl rm
pthreadtypes-arch.h	3290	0644	edit dl rm
pthreadtypes.h	3071	0644	edit dl rm
ptrace-shared.h	2900	0644	edit dl rm
resource.h	6298	0644	edit dl rm
sched.h	3747	0644	edit dl rm
select.h	2105	0644	edit dl rm
select2.h	1437	0644	edit dl rm
sem.h	2619	0644	edit dl rm
semaphore.h	1237	0644	edit dl rm
setjmp.h	1286	0644	edit dl rm
setjmp2.h	1704	0644	edit dl rm
shm.h	3591	0644	edit dl rm
sigaction.h	2934	0644	edit dl rm
sigcontext.h	4264	0644	edit dl rm
sigevent-consts.h	1470	0644	edit dl rm
siginfo-arch.h	729	0644	edit dl rm
siginfo-consts-arch.h	204	0644	edit dl rm
siginfo-consts.h	5973	0644	edit dl rm
signalfd.h	1066	0644	edit dl rm
signum-generic.h	4340	0644	edit dl rm
signum.h	1633	0644	edit dl rm
sigstack.h	1167	0644	edit dl rm
sigthread.h	1691	0644	edit dl rm
sockaddr.h	1513	0644	edit dl rm
socket.h	15562	0644	edit dl rm
socket2.h	3036	0644	edit dl rm
socket_type.h	2215	0644	edit dl rm
ss_flags.h	1187	0644	edit dl rm
stab.def	9039	0644	edit dl rm
stat.h	7619	0644	edit dl rm
statfs.h	1916	0644	edit dl rm
statvfs.h	3422	0644	edit dl rm
statx-generic.h	2049	0644	edit dl rm
statx.h	1399	0644	edit dl rm
stdint-intn.h	1036	0644	edit dl rm
stdint-uintn.h	1048	0644	edit dl rm
stdio-ldbl.h	3013	0644	edit dl rm
stdio.h	5586	0644	edit dl rm
stdio2.h	12546	0644	edit dl rm
stdio_lim.h	1212	0644	edit dl rm
stdlib-bsearch.h	1377	0644	edit dl rm
stdlib-float.h	1114	0644	edit dl rm
stdlib-ldbl.h	1372	0644	edit dl rm
stdlib.h	5069	0644	edit dl rm
strings_fortified.h	1239	0644	edit dl rm
string_fortified.h	4683	0644	edit dl rm
syscall.h	45663	0644	edit dl rm
sysctl.h	898	0644	edit dl rm
syslog-ldbl.h	1205	0644	edit dl rm
syslog-path.h	1060	0644	edit dl rm
syslog.h	1684	0644	edit dl rm
sysmacros.h	2952	0644	edit dl rm
sys_errlist.h	1215	0644	edit dl rm
termios.h	5363	0644	edit dl rm
thread-shared-types.h	6735	0644	edit dl rm
time.h	2998	0644	edit dl rm
timerfd.h	1102	0644	edit dl rm
timex.h	4595	0644	edit dl rm
types.h	8335	0644	edit dl rm
typesizes.h	3397	0644	edit dl rm
uintn-identity.h	1541	0644	edit dl rm
uio-ext.h	1922	0644	edit dl rm
uio_lim.h	1384	0644	edit dl rm
unistd.h	10812	0644	edit dl rm
utmp.h	4066	0644	edit dl rm
utmpx.h	3577	0644	edit dl rm
utsname.h	1212	0644	edit dl rm
waitflags.h	1696	0644	edit dl rm
waitstatus.h	2286	0644	edit dl rm
wchar-ldbl.h	2423	0644	edit dl rm
wchar.h	1905	0644	edit dl rm
wchar2.h	18221	0644	edit dl rm
wctype-wchar.h	6301	0644	edit dl rm
wordsize.h	442	0644	edit dl rm
xopen_lim.h	3857	0644	edit dl rm

Edit: /usr/include/bits/floatn-common.h (9764B)

/* Macros to control TS 18661-3 glibc features where the same
   definitions are appropriate for all platforms.
   Copyright (C) 2017-2018 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
   <http://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 */

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