Split winsock.c into many smaller files. * lib/close.c: Add _gl_close_fd_maybe_socket from winsock.c. * lib/accept.c: New file, based on winsock.c. * lib/bind.c: New file, based on winsock.c. * lib/connect.c: New file, based on winsock.c. * lib/getpeername.c: New file, based on winsock.c. * lib/getsockname.c: New file, based on winsock.c. * lib/getsockopt.c: New file, based on winsock.c. * lib/ioctl.c: New file, based on winsock.c. * lib/listen.c: New file, based on winsock.c. * lib/recv.c: New file, based on winsock.c. * lib/recvfrom.c: New file, based on winsock.c. * lib/send.c: New file, based on winsock.c. * lib/sendto.c: New file, based on winsock.c. * lib/setsockopt.c: New file, based on winsock.c. * lib/shutdown.c: New file, based on winsock.c. * lib/socket.c: New file, based on winsock.c. * lib/w32sock.h: New file, based on winsock.c. * lib/winsock.c: Remove file. * modules/accept: Likewise. * modules/bind: Likewise. * modules/connect: Likewise. * modules/getpeername: Likewise. * modules/getsockname: Likewise. * modules/getsockopt: Likewise. * modules/ioctl: Likewise. * modules/listen: Likewise. * modules/recv: Likewise. * modules/recvfrom: Likewise. * modules/send: Likewise. * modules/sendto: Likewise. * modules/setsockopt: Likewise. * modules/shutdown: Likewise. * modules/socket: Use socket.c instead of winsock.c. * modules/sys_socket: Remove (unneeded?) dependency on winsock.c. * doc/posix-functions/accept.texi: Doc fix. * doc/posix-functions/bind.texi: Doc fix. * doc/posix-functions/close.texi: Doc fix. * doc/posix-functions/connect.texi: Doc fix. * doc/posix-functions/getpeername.texi: Doc fix. * doc/posix-functions/getsockname.texi: Doc fix. * doc/posix-functions/getsockopt.texi: Doc fix. * doc/posix-functions/ioctl.texi: Doc fix. * doc/posix-functions/listen.texi: Doc fix. * doc/posix-functions/recv.texi: Doc fix. * doc/posix-functions/recvfrom.texi: Doc fix. * doc/posix-functions/send.texi: Doc fix. * doc/posix-functions/sendto.texi: Doc fix. * doc/posix-functions/setsockopt.texi: Doc fix. * doc/posix-functions/shutdown.texi: Doc fix. * doc/posix-functions/socket.texi: Doc fix.

/* Emulation for ldexpl.
   Contributed by Paolo Bonzini

   Copyright 2002, 2003, 2007, 2008 Free Software Foundation, Inc.

   This file is part of gnulib.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <math.h>

#include <float.h>
#include "fpucw.h"

long double
ldexpl(long double x, int exp)
{
  long double factor;
  int bit;
  DECL_LONG_DOUBLE_ROUNDING

  BEGIN_LONG_DOUBLE_ROUNDING ();

  /* Check for zero, nan and infinity. */
  if (!(isnanl (x) || x + x == x))
    {
      if (exp < 0)
	{
	  exp = -exp;
	  factor = 0.5L;
	}
      else
	factor = 2.0L;

      if (exp > 0)
	for (bit = 1;;)
	  {
	    /* Invariant: Here bit = 2^i, factor = 2^-2^i or = 2^2^i,
	       and bit <= exp.  */
	    if (exp & bit)
	      x *= factor;
	    bit <<= 1;
	    if (bit > exp)
	      break;
	    factor = factor * factor;
	  }
    }

  END_LONG_DOUBLE_ROUNDING ();

  return x;
}

#if 0
int
main (void)
{
  long double x;
  int y;
  for (y = 0; y < 29; y++)
    printf ("%5d %.16Lg %.16Lg\n", y, ldexpl(0.8L, y), ldexpl(0.8L, -y) * ldexpl(0.8L, y));
}
#endif