diff options
author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-09-03 09:26:33 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-09-03 09:26:33 +0300 |
commit | c50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch) | |
tree | 4ea36009719bd8fc523239fe1bdccb90f0dce3ae /lib/mpi/mpi-gcd.c | |
parent | 14d33d384693eb6083396199de516fdef320f7af (diff) | |
parent | 4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff) |
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
Diffstat (limited to 'lib/mpi/mpi-gcd.c')
-rw-r--r-- | lib/mpi/mpi-gcd.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/mpi/mpi-gcd.c b/lib/mpi/mpi-gcd.c deleted file mode 100644 index 13c48aef9c4..00000000000 --- a/lib/mpi/mpi-gcd.c +++ /dev/null @@ -1,59 +0,0 @@ -/* mpi-gcd.c - MPI functions - * Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include "mpi-internal.h" - -/**************** - * Find the greatest common divisor G of A and B. - * Return: true if this 1, false in all other cases - */ -int mpi_gcd(MPI g, const MPI xa, const MPI xb) -{ - MPI a = NULL, b = NULL; - - if (mpi_copy(&a, xa) < 0) - goto nomem; - - if (mpi_copy(&b, xb) < 0) - goto nomem; - - /* TAOCP Vol II, 4.5.2, Algorithm A */ - a->sign = 0; - b->sign = 0; - while (mpi_cmp_ui(b, 0)) { - if (mpi_fdiv_r(g, a, b) < 0) /* g used as temorary variable */ - goto nomem; - if (mpi_set(a, b) < 0) - goto nomem; - if (mpi_set(b, g) < 0) - goto nomem; - } - if (mpi_set(g, a) < 0) - goto nomem; - - mpi_free(a); - mpi_free(b); - return !mpi_cmp_ui(g, 1); - -nomem: - mpi_free(a); - mpi_free(b); - return -ENOMEM; -} |