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authorDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
committerDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
commit11da511c784eca003deb90c23570f0873954e0de (patch)
treee14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpf/iset_ui.c
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpf/iset_ui.c')
-rw-r--r--gmp-6.3.0/mpf/iset_ui.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpf/iset_ui.c b/gmp-6.3.0/mpf/iset_ui.c
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+++ b/gmp-6.3.0/mpf/iset_ui.c
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+/* mpf_init_set_ui() -- Initialize a float and assign it from an unsigned int.
+
+Copyright 1993-1995, 2000, 2001, 2003, 2004 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 either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * 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.
+
+or both in parallel, as here.
+
+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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#include "gmp-impl.h"
+
+void
+mpf_init_set_ui (mpf_ptr r, unsigned long int val)
+{
+ mp_size_t prec = __gmp_default_fp_limb_precision;
+ mp_size_t size;
+
+ r->_mp_prec = prec;
+ r->_mp_d = __GMP_ALLOCATE_FUNC_LIMBS (prec + 1);
+ r->_mp_d[0] = val & GMP_NUMB_MASK;
+ size = (val != 0);
+
+#if BITS_PER_ULONG > GMP_NUMB_BITS
+ val >>= GMP_NUMB_BITS;
+ r->_mp_d[1] = val;
+ size += (val != 0);
+#endif
+
+ r->_mp_size = size;
+ r->_mp_exp = size;
+}