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Annotation of OpenXM_contrib/gmp/mpf/sub_ui.c, Revision 1.1.1.2

1.1       maekawa     1: /* mpf_sub_ui -- Subtract an unsigned integer from a float.
                      2:
                      3: Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc.
                      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: #if __STDC__
                     27: mpf_sub_ui (mpf_ptr sum, mpf_srcptr u, unsigned long int v)
                     28: #else
                     29: mpf_sub_ui (sum, u, v)
                     30:      mpf_ptr sum;
                     31:      mpf_srcptr u;
                     32:      unsigned long int v;
                     33: #endif
                     34: {
                     35:   __mpf_struct vv;
                     36:   mp_limb_t vl;
                     37:
                     38:   if (v == 0)
                     39:     {
                     40:       mpf_set (sum, u);
                     41:       return;
                     42:     }
                     43:
                     44:   vl = v;
                     45:   vv._mp_size = 1;
                     46:   vv._mp_d = &vl;
                     47:   vv._mp_exp = 1;
                     48:   mpf_sub (sum, u, &vv);
                     49: }