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Annotation of OpenXM_contrib/gmp/mpf/cmp_d.c, Revision 1.1.1.1

1.1       ohara       1: /* mpf_cmp_d -- compare mpf and double.
                      2:
                      3: Copyright 2001 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
                      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
                     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
                     14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
                     15: License for more details.
                     16:
                     17: You should have received a copy of the GNU Lesser General Public License
                     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:
                     23: #include "gmp.h"
                     24: #include "gmp-impl.h"
                     25:
                     26: int
                     27: mpf_cmp_d (mpf_srcptr f, double d)
                     28: {
                     29:   mp_limb_t  darray[LIMBS_PER_DOUBLE];
                     30:   mpf_t      df;
                     31:
                     32:   if (d == 0.0)
                     33:     return SIZ(f);
                     34:
                     35:   PTR(df) = darray;
                     36:   SIZ(df) = (d >= 0.0 ? LIMBS_PER_DOUBLE : -LIMBS_PER_DOUBLE);
                     37:   EXP(df) = __gmp_extract_double (darray, ABS(d));
                     38:
                     39:   return mpf_cmp (f, df);
                     40: }