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Annotation of OpenXM_contrib/gmp/mpz/fib2_ui.c, Revision 1.1.1.1

1.1       ohara       1: /* mpz_fib2_ui -- calculate Fibonacci numbers.
                      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: #include <stdio.h>
                     23: #include "gmp.h"
                     24: #include "gmp-impl.h"
                     25:
                     26:
                     27: void
                     28: mpz_fib2_ui (mpz_ptr fn, mpz_ptr fnsub1, unsigned long n)
                     29: {
                     30:   mp_ptr     fp, f1p;
                     31:   mp_size_t  size;
                     32:
                     33:   size = MPN_FIB2_SIZE (n);
                     34:   MPZ_REALLOC (fn,     size);
                     35:   MPZ_REALLOC (fnsub1, size);
                     36:   fp = PTR (fn);
                     37:   f1p = PTR (fnsub1);
                     38:
                     39:   size = mpn_fib2_ui (fp, f1p, n);
                     40:
                     41:   SIZ(fn)     = size - (n == 0);
                     42:   SIZ(fnsub1) = size - (f1p[size-1] == 0);
                     43: }