SM0 She11

Full Path (server): /usr/include/bits

📄 a.out.h [E] [D]
📄 byteswap-16.h [E] [D]
📄 byteswap.h [E] [D]
📄 cmathcalls.h [E] [D]
📄 confname.h [E] [D]
📄 dirent.h [E] [D]
📄 dlfcn.h [E] [D]
📄 elfclass.h [E] [D]
📄 endian.h [E] [D]
📄 environments.h [E] [D]
📄 epoll.h [E] [D]
📄 errno.h [E] [D]
📄 error.h [E] [D]
📄 eventfd.h [E] [D]
📄 fcntl-linux.h [E] [D]
📄 fcntl.h [E] [D]
📄 fcntl2.h [E] [D]
📄 fenv.h [E] [D]
📄 fenvinline.h [E] [D]
📄 huge_val.h [E] [D]
📄 huge_valf.h [E] [D]
📄 huge_vall.h [E] [D]
📄 hwcap.h [E] [D]
📄 in.h [E] [D]
📄 inf.h [E] [D]
📄 initspin.h [E] [D]
📄 inotify.h [E] [D]
📄 ioctl-types.h [E] [D]
📄 ioctls.h [E] [D]
📄 ipc.h [E] [D]
📄 ipctypes.h [E] [D]
📄 libc-lock.h [E] [D]
📄 libio-ldbl.h [E] [D]
📄 link.h [E] [D]
📄 local_lim.h [E] [D]
📄 locale.h [E] [D]
📄 math-finite.h [E] [D]
📄 mathcalls.h [E] [D]
📄 mathdef.h [E] [D]
📄 mathinline.h [E] [D]
📄 mman.h [E] [D]
📄 monetary-ldbl.h [E] [D]
📄 mqueue.h [E] [D]
📄 mqueue2.h [E] [D]
📄 msq.h [E] [D]
📄 nan.h [E] [D]
📄 netdb.h [E] [D]
📄 param.h [E] [D]
📄 poll.h [E] [D]
📄 poll2.h [E] [D]
📄 posix1_lim.h [E] [D]
📄 posix2_lim.h [E] [D]
📄 posix_opt.h [E] [D]
📄 printf-ldbl.h [E] [D]
📄 pthreadtypes.h [E] [D]
📄 resource.h [E] [D]
📄 sched.h [E] [D]
📄 select.h [E] [D]
📄 select2.h [E] [D]
📄 sem.h [E] [D]
📄 semaphore.h [E] [D]
📄 setjmp.h [E] [D]
📄 setjmp2.h [E] [D]
📄 shm.h [E] [D]
📄 sigaction.h [E] [D]
📄 sigcontext.h [E] [D]
📄 siginfo.h [E] [D]
📄 signalfd.h [E] [D]
📄 signum.h [E] [D]
📄 sigset.h [E] [D]
📄 sigstack.h [E] [D]
📄 sigthread.h [E] [D]
📄 sockaddr.h [E] [D]
📄 socket.h [E] [D]
📄 socket2.h [E] [D]
📄 socket_type.h [E] [D]
📄 stab.def [E] [D]
📄 stat.h [E] [D]
📄 statfs.h [E] [D]
📄 statvfs.h [E] [D]
📄 stdio-ldbl.h [E] [D]
📄 stdio-lock.h [E] [D]
📄 stdio.h [E] [D]
📄 stdio2.h [E] [D]
📄 stdio_lim.h [E] [D]
📄 stdlib-float.h [E] [D]
📄 stdlib-ldbl.h [E] [D]
📄 stdlib.h [E] [D]
📄 string.h [E] [D]
📄 string2.h [E] [D]
📄 string3.h [E] [D]
📄 sys_errlist.h [E] [D]
📄 syscall.h [E] [D]
📄 sysctl.h [E] [D]
📄 syslog-ldbl.h [E] [D]
📄 syslog-path.h [E] [D]
📄 syslog.h [E] [D]
📄 termios.h [E] [D]
📄 time.h [E] [D]
📄 timerfd.h [E] [D]
📄 timex.h [E] [D]
📄 types.h [E] [D]
📄 typesizes.h [E] [D]
📄 uio.h [E] [D]
📄 unistd.h [E] [D]
📄 ustat.h [E] [D]
📄 utmp.h [E] [D]
📄 utmpx.h [E] [D]
📄 utsname.h [E] [D]
📄 waitflags.h [E] [D]
📄 waitstatus.h [E] [D]
📄 wchar-ldbl.h [E] [D]
📄 wchar.h [E] [D]
📄 wchar2.h [E] [D]
📄 wordsize.h [E] [D]
📄 xopen_lim.h [E] [D]

Editing: fenv.h

/* Copyright (C) 1997-2012 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 _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif

/* Define bits representing the exception.  We use the bit positions
   of the appropriate bits in the FPU control word.  */
enum
  {
    FE_INVALID =
#define FE_INVALID	0x01
      FE_INVALID,
    __FE_DENORM = 0x02,
    FE_DIVBYZERO =
#define FE_DIVBYZERO	0x04
      FE_DIVBYZERO,
    FE_OVERFLOW =
#define FE_OVERFLOW	0x08
      FE_OVERFLOW,
    FE_UNDERFLOW =
#define FE_UNDERFLOW	0x10
      FE_UNDERFLOW,
    FE_INEXACT =
#define FE_INEXACT	0x20
      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 =
#define FE_TONEAREST	0
      FE_TONEAREST,
    FE_DOWNWARD =
#define FE_DOWNWARD	0x400
      FE_DOWNWARD,
    FE_UPWARD =
#define FE_UPWARD	0x800
      FE_UPWARD,
    FE_TOWARDZERO =
#define FE_TOWARDZERO	0xc00
      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;
#ifdef __x86_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

#ifdef __USE_EXTERN_INLINES
__BEGIN_DECLS

/* Optimized versions.  */
extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept);
__extern_inline int
__NTH (feraiseexcept (int __excepts))
{
  if (__builtin_constant_p (__excepts)
      && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0)
    {
      if ((FE_INVALID & __excepts) != 0)
	{
	  /* One example of a invalid operation is 0.0 / 0.0.  */
	  float __f = 0.0;

# ifdef __SSE_MATH__
	  __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f));
# else
	  __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait"
				: "=t" (__f) : "0" (__f));
# endif
	  (void) &__f;
	}
      if ((FE_DIVBYZERO & __excepts) != 0)
	{
	  float __f = 1.0;
	  float __g = 0.0;

# ifdef __SSE_MATH__
	  __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g));
# else
	  __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait"
				: "=t" (__f) : "0" (__f), "u" (__g) : "st(1)");
# endif
	  (void) &__f;
	}

return 0;
    }

return __feraiseexcept_renamed (__excepts);
}

__END_DECLS
#endif