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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: }