Annotation of OpenXM_contrib/gmp/mpz/set_si.c, Revision 1.1.1.3
1.1.1.3 ! ohara 1: /* mpz_set_si(dest,val) -- Assign DEST with a small value VAL.
1.1 maekawa 2:
1.1.1.3 ! ohara 3: Copyright 1991, 1993, 1994, 1995, 2000, 2001, 2002 Free Software Foundation,
! 4: Inc.
1.1 maekawa 5:
6: This file is part of the GNU MP Library.
7:
8: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2 maekawa 9: it under the terms of the GNU Lesser General Public License as published by
10: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1 maekawa 11: option) any later version.
12:
13: The GNU MP Library is distributed in the hope that it will be useful, but
14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2 maekawa 15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
1.1 maekawa 16: License for more details.
17:
1.1.1.2 maekawa 18: You should have received a copy of the GNU Lesser General Public License
1.1 maekawa 19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21: MA 02111-1307, USA. */
22:
23: #include "gmp.h"
24: #include "gmp-impl.h"
25:
26: void
27: mpz_set_si (mpz_ptr dest, signed long int val)
28: {
1.1.1.3 ! ohara 29: mp_size_t size;
! 30: mp_limb_t vl;
! 31:
! 32: vl = (mp_limb_t) (unsigned long int) (val >= 0 ? val : -val);
! 33:
! 34: dest->_mp_d[0] = vl & GMP_NUMB_MASK;
! 35: size = vl != 0;
! 36:
! 37: #if GMP_NAIL_BITS != 0
! 38: if (vl > GMP_NUMB_MAX)
1.1 maekawa 39: {
1.1.1.3 ! ohara 40: MPZ_REALLOC (dest, 2);
! 41: dest->_mp_d[1] = vl >> GMP_NUMB_BITS;
! 42: size = 2;
1.1 maekawa 43: }
1.1.1.3 ! ohara 44: #endif
! 45:
! 46: dest->_mp_size = val >= 0 ? size : -size;
1.1 maekawa 47: }
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