mirror of https://github.com/macssh/macssh.git
44 lines
1.3 KiB
C
Executable File
44 lines
1.3 KiB
C
Executable File
/* mpfr_mul_2exp -- multiply a floating-point number by a power of two
|
|
|
|
Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
|
|
|
|
This file is part of the MPFR Library.
|
|
|
|
The MPFR Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Library General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The MPFR 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 Library General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with the MPFR Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
MA 02111-1307, USA. */
|
|
|
|
#include <stdio.h>
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
#include "mpfr.h"
|
|
|
|
void
|
|
#if __STDC__
|
|
mpfr_mul_2exp(mpfr_ptr y, mpfr_srcptr x, unsigned long int n, unsigned char rnd_mode)
|
|
#else
|
|
mpfr_mul_2exp(y, x, n, rnd_mode)
|
|
mpfr_ptr y;
|
|
mpfr_srcptr x;
|
|
unsigned long int n;
|
|
unsigned char rnd_mode;
|
|
#endif
|
|
{
|
|
/* Important particular case */
|
|
if (y != x) mpfr_set(y, x, rnd_mode);
|
|
EXP(y) += n;
|
|
return;
|
|
}
|
|
|