version 1.1.1.1, 2000/01/10 15:35:22 |
version 1.1.1.3, 2003/08/25 16:06:35 |
|
|
/* mpf_div_ui -- Divide a float with an unsigned integer. |
/* mpf_div_ui -- Divide a float with an unsigned integer. |
|
|
Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. |
Copyright 1993, 1994, 1996, 2000, 2001, 2002 Free Software Foundation, Inc. |
|
|
This file is part of the GNU MP Library. |
This file is part of the GNU MP Library. |
|
|
The GNU MP Library is free software; you can redistribute it and/or modify |
The GNU MP 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 |
it under the terms of the GNU Lesser General Public License as published by |
the Free Software Foundation; either version 2 of the License, or (at your |
the Free Software Foundation; either version 2.1 of the License, or (at your |
option) any later version. |
option) any later version. |
|
|
The GNU MP Library is distributed in the hope that it will be useful, but |
The GNU MP Library is distributed in the hope that it will be useful, but |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
License for more details. |
License for more details. |
|
|
You should have received a copy of the GNU Library General Public License |
You should have received a copy of the GNU Lesser General Public License |
along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
MA 02111-1307, USA. */ |
MA 02111-1307, USA. */ |
Line 24 MA 02111-1307, USA. */ |
|
Line 24 MA 02111-1307, USA. */ |
|
#include "longlong.h" |
#include "longlong.h" |
|
|
void |
void |
#if __STDC__ |
|
mpf_div_ui (mpf_ptr r, mpf_srcptr u, unsigned long int v) |
mpf_div_ui (mpf_ptr r, mpf_srcptr u, unsigned long int v) |
#else |
|
mpf_div_ui (r, u, v) |
|
mpf_ptr r; |
|
mpf_srcptr u; |
|
unsigned long int v; |
|
#endif |
|
{ |
{ |
mp_srcptr up; |
mp_srcptr up; |
mp_ptr rp, tp, rtp; |
mp_ptr rp, tp, rtp; |
Line 43 mpf_div_ui (r, u, v) |
|
Line 36 mpf_div_ui (r, u, v) |
|
mp_exp_t rexp; |
mp_exp_t rexp; |
TMP_DECL (marker); |
TMP_DECL (marker); |
|
|
|
#if GMP_NAIL_BITS != 0 |
|
if (v > GMP_NUMB_MAX) |
|
{ |
|
mpf_t vf; |
|
mp_limb_t vl[2]; |
|
SIZ(vf) = 2; |
|
EXP(vf) = 2; |
|
PTR(vf) = vl; |
|
vl[0] = v & GMP_NUMB_MASK; |
|
vl[1] = v >> GMP_NUMB_BITS; |
|
mpf_div (r, u, vf); |
|
return; |
|
} |
|
#endif |
|
|
usize = u->_mp_size; |
usize = u->_mp_size; |
sign_quotient = usize; |
sign_quotient = usize; |
usize = ABS (usize); |
usize = ABS (usize); |
prec = r->_mp_prec; |
prec = r->_mp_prec; |
|
|
if (v == 0) |
if (v == 0) |
v = 1 / v; /* divide by zero as directed */ |
DIVIDE_BY_ZERO; |
|
|
if (usize == 0) |
if (usize == 0) |
{ |
{ |
r->_mp_size = 0; |
r->_mp_size = 0; |