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Annotation of OpenXM_contrib/gmp/mpz/fib2_ui.c, Revision 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: }