summaryrefslogtreecommitdiff
path: root/mpf/init2.c
diff options
context:
space:
mode:
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 /mpf/init2.c
downloadgmp-c6d715868f53b08c62a129ffd77fb585fd89c43b.tar.gz
Initial revision
Diffstat (limited to 'mpf/init2.c')
-rw-r--r--mpf/init2.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/mpf/init2.c b/mpf/init2.c
new file mode 100644
index 000000000..a3e5752b2
--- /dev/null
+++ b/mpf/init2.c
@@ -0,0 +1,41 @@
+/* mpf_init2() -- Make a new multiple precision number with value 0.
+
+Copyright (C) 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__
+mpf_init2 (mpf_ptr r, unsigned long int prec_in_bits)
+#else
+mpf_init2 (r, prec_in_bits)
+ mpf_ptr r;
+ unsigned long int prec_in_bits;
+#endif
+{
+ mp_size_t prec;
+
+ prec = (MAX (53, prec_in_bits) + 2 * BITS_PER_MP_LIMB - 1)/BITS_PER_MP_LIMB;
+ r->_mp_d = (mp_ptr) (*_mp_allocate_func) ((prec + 1) * BYTES_PER_MP_LIMB);
+ r->_mp_prec = prec;
+ r->_mp_size = 0;
+ r->_mp_exp = 0;
+}