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Annotation of OpenXM_contrib/gmp/mpf/sub_ui.c, Revision 1.1.1.3

1.1       maekawa     1: /* mpf_sub_ui -- Subtract an unsigned integer from a float.
                      2:
1.1.1.3 ! ohara       3: Copyright 1993, 1994, 1996, 2001 Free Software Foundation, Inc.
1.1       maekawa     4:
                      5: This file is part of the GNU MP Library.
                      6:
                      7: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2   maekawa     8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    10: option) any later version.
                     11:
                     12: The GNU MP Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2   maekawa    14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    15: License for more details.
                     16:
1.1.1.2   maekawa    17: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
                     22: #include "gmp.h"
                     23: #include "gmp-impl.h"
                     24:
                     25: void
                     26: mpf_sub_ui (mpf_ptr sum, mpf_srcptr u, unsigned long int v)
                     27: {
                     28:   __mpf_struct vv;
                     29:   mp_limb_t vl;
                     30:
                     31:   if (v == 0)
                     32:     {
                     33:       mpf_set (sum, u);
                     34:       return;
                     35:     }
                     36:
                     37:   vl = v;
                     38:   vv._mp_size = 1;
                     39:   vv._mp_d = &vl;
                     40:   vv._mp_exp = 1;
                     41:   mpf_sub (sum, u, &vv);
                     42: }

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