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- /* mpn_add_1 --
-
- Copyright (C) 1993, 1994 Free Software Foundation, Inc.
-
- This file is part of the GNU MP Library.
-
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Library General Public License as published by
- the Free Software Foundation; either version 2 of the License, or (at your
- option) any later version.
-
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
- License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #define __mpn_add_1 __noname
- #include "gmp.h"
- #undef __mpn_add_1
-
- #include "gmp-impl.h"
-
- mp_limb
- __mpn_add_1 (res_ptr, s1_ptr, s1_size, s2_limb)
- register mp_ptr res_ptr;
- register mp_srcptr s1_ptr;
- register mp_size_t s1_size;
- register mp_limb s2_limb;
- {
- register mp_limb x;
-
- x = *s1_ptr++;
- s2_limb = x + s2_limb;
- *res_ptr++ = s2_limb;
- if (s2_limb < x)
- {
- while (--s1_size != 0)
- {
- x = *s1_ptr++ + 1;
- *res_ptr++ = x;
- if (x != 0)
- goto fin;
- }
-
- return 1;
- }
-
- fin:
- if (res_ptr != s1_ptr)
- {
- mp_size_t i;
- for (i = 0; i < s1_size - 1; i++)
- res_ptr[i] = s1_ptr[i];
- }
-
- return 0;
- }
-