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: }
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