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📄 a.out.h(299 B)
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📄 cmathcalls.h(4.77 KB)
📄 confname.h(23.26 KB)
📄 dirent.h(1.57 KB)
📄 dlfcn.h(2.53 KB)
📄 elfclass.h(426 B)
📄 endian.h(170 B)
📄 environments.h(3.57 KB)
📄 errno.h(2.12 KB)
📄 error.h(2.7 KB)
📄 fcntl.h(10.18 KB)
📄 fcntl2.h(5.48 KB)
📄 fenv.h(2.99 KB)
📄 fenvinline.h(190 B)
📄 huge_val.h(1.9 KB)
📄 huge_valf.h(1.86 KB)
📄 huge_vall.h(1.16 KB)
📄 in.h(7.53 KB)
📄 inf.h(1.1 KB)
📄 initspin.h(25 B)
📄 ioctl-types.h(2.48 KB)
📄 ioctls.h(4.45 KB)
📄 ipc.h(2.08 KB)
📄 ipctypes.h(1.2 KB)
📄 libc-lock.h(12.54 KB)
📄 libio-ldbl.h(1.06 KB)
📄 link.h(3.54 KB)
📄 local_lim.h(3.2 KB)
📄 locale.h(1.35 KB)
📄 mathcalls.h(11.3 KB)
📄 mathdef.h(1.96 KB)
📄 mathinline.h(1.99 KB)
📄 mman.h(4.71 KB)
📄 monetary-ldbl.h(1.08 KB)
📄 mqueue.h(1.21 KB)
📄 mqueue2.h(2.13 KB)
📄 msq.h(2.56 KB)
📄 nan.h(1.6 KB)
📄 netdb.h(1.32 KB)
📄 poll.h(2.1 KB)
📄 posix1_lim.h(4.83 KB)
📄 posix2_lim.h(2.88 KB)
📄 posix_opt.h(5.72 KB)
📄 printf-ldbl.h(1.03 KB)
📄 pthreadtypes.h(5.63 KB)
📄 resource.h(7.01 KB)
📄 sched.h(7.32 KB)
📄 select.h(2.12 KB)
📄 sem.h(2.56 KB)
📄 semaphore.h(1.27 KB)
📄 setjmp.h(1.26 KB)
📄 setjmp2.h(1.71 KB)
📄 shm.h(3.52 KB)
📄 sigaction.h(2.85 KB)
📄 sigcontext.h(3.61 KB)
📄 siginfo.h(8.91 KB)
📄 signum.h(3.4 KB)
📄 sigset.h(4.54 KB)
📄 sigstack.h(1.56 KB)
📄 sigthread.h(1.71 KB)
📄 sockaddr.h(1.56 KB)
📄 socket.h(13.87 KB)
📄 socket2.h(3.03 KB)
📄 stab.def(8.89 KB)
📄 stat.h(7.61 KB)
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📄 statvfs.h(3.36 KB)
📄 stdio-ldbl.h(3.12 KB)
📄 stdio-lock.h(2.21 KB)
📄 stdio.h(5.52 KB)
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📄 stdio_lim.h(1.41 KB)
📄 stdlib-ldbl.h(1.43 KB)
📄 stdlib.h(5.63 KB)
📄 string.h(1.16 KB)
📄 string2.h(46.62 KB)
📄 string3.h(4.52 KB)
📄 sys_errlist.h(1.25 KB)
📄 syscall.h(14.23 KB)
📄 syslog-ldbl.h(1.24 KB)
📄 syslog-path.h(1.1 KB)
📄 syslog.h(1.73 KB)
📄 termios.h(5.27 KB)
📄 time.h(2.8 KB)
📄 types.h(7.42 KB)
📄 typesizes.h(2.48 KB)
📄 uio.h(1.79 KB)
📄 unistd.h(13.2 KB)
📄 ustat.h(1.13 KB)
📄 utmp.h(4 KB)
📄 utmpx.h(3.48 KB)
📄 utsname.h(1.26 KB)
📄 waitflags.h(1.67 KB)
📄 waitstatus.h(3.55 KB)
📄 wchar-ldbl.h(2.52 KB)
📄 wchar.h(1.01 KB)
📄 wchar2.h(20.31 KB)
📄 wordsize.h(175 B)
📄 xopen_lim.h(3.75 KB)

Editing: fenv.h

/* Copyright (C) 1997,1998,1999,2000,2001,2004 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif

#include <bits/wordsize.h>

/* Define bits representing the exception.  We use the bit positions
   of the appropriate bits in the FPU control word.  */
enum
  {
    FE_INVALID = 0x01,
#define FE_INVALID	FE_INVALID
    __FE_DENORM = 0x02,
    FE_DIVBYZERO = 0x04,
#define FE_DIVBYZERO	FE_DIVBYZERO
    FE_OVERFLOW = 0x08,
#define FE_OVERFLOW	FE_OVERFLOW
    FE_UNDERFLOW = 0x10,
#define FE_UNDERFLOW	FE_UNDERFLOW
    FE_INEXACT = 0x20
#define FE_INEXACT	FE_INEXACT
  };

#define FE_ALL_EXCEPT \
	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)

/* The ix87 FPU supports all of the four defined rounding modes.  We
   use again the bit positions in the FPU control word as the values
   for the appropriate macros.  */
enum
  {
    FE_TONEAREST = 0,
#define FE_TONEAREST	FE_TONEAREST
    FE_DOWNWARD = 0x400,
#define FE_DOWNWARD	FE_DOWNWARD
    FE_UPWARD = 0x800,
#define FE_UPWARD	FE_UPWARD
    FE_TOWARDZERO = 0xc00
#define FE_TOWARDZERO	FE_TOWARDZERO
  };

/* Type representing exception flags.  */
typedef unsigned short int fexcept_t;

/* Type representing floating-point environment.  This structure
   corresponds to the layout of the block written by the `fstenv'
   instruction and has additional fields for the contents of the MXCSR
   register as written by the `stmxcsr' instruction.  */
typedef struct
  {
    unsigned short int __control_word;
    unsigned short int __unused1;
    unsigned short int __status_word;
    unsigned short int __unused2;
    unsigned short int __tags;
    unsigned short int __unused3;
    unsigned int __eip;
    unsigned short int __cs_selector;
    unsigned int __opcode:11;
    unsigned int __unused4:5;
    unsigned int __data_offset;
    unsigned short int __data_selector;
    unsigned short int __unused5;
#if __WORDSIZE == 64
    unsigned int __mxcsr;
#endif
  }
fenv_t;

/* If the default argument is used we use this value.  */
#define FE_DFL_ENV	((__const fenv_t *) -1)

#ifdef __USE_GNU
/* Floating-point environment where none of the exception is masked.  */
# define FE_NOMASK_ENV	((__const fenv_t *) -2)
#endif

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Editing: fenv.h

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