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authortege <tege@gmplib.org>1996-05-08 09:10:48 +0200
committertege <tege@gmplib.org>1996-05-08 09:10:48 +0200
commitc6d715868f53b08c62a129ffd77fb585fd89c43b (patch)
tree82f36d2d8cbe7e07ad3e18d5c6e047e8796d861e /mpz/set_si.c
downloadgmp-c6d715868f53b08c62a129ffd77fb585fd89c43b.tar.gz
Initial revision
Diffstat (limited to 'mpz/set_si.c')
-rw-r--r--mpz/set_si.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/mpz/set_si.c b/mpz/set_si.c
new file mode 100644
index 000000000..82a90a3cc
--- /dev/null
+++ b/mpz/set_si.c
@@ -0,0 +1,48 @@
+/* mpz_set_si(integer, val) -- Assign INTEGER with a small value VAL.
+
+Copyright (C) 1991, 1993, 1994, 1995 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., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+void
+#if __STDC__
+mpz_set_si (mpz_ptr dest, signed long int val)
+#else
+mpz_set_si (dest, val)
+ mpz_ptr dest;
+ signed long int val;
+#endif
+{
+ /* We don't check if the allocation is enough, since the rest of the
+ package ensures it's at least 1, which is what we need here. */
+ if (val > 0)
+ {
+ dest->_mp_d[0] = val;
+ dest->_mp_size = 1;
+ }
+ else if (val < 0)
+ {
+ dest->_mp_d[0] = -val;
+ dest->_mp_size = -1;
+ }
+ else
+ dest->_mp_size = 0;
+}