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-rw-r--r--contrib/libgmp/mpf/set_z.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/libgmp/mpf/set_z.c b/contrib/libgmp/mpf/set_z.c
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+++ b/contrib/libgmp/mpf/set_z.c
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+/* mpf_set_z -- Assign a float from an integer.
+
+Copyright (C) 1996 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_set_z (mpf_ptr r, mpz_srcptr u)
+#else
+mpf_set_z (r, u)
+ mpf_ptr r;
+ mpz_srcptr u;
+#endif
+{
+ mp_ptr rp, up;
+ mp_size_t size, asize;
+ mp_size_t prec;
+
+ prec = PREC (r) + 1;
+ size = SIZ (u);
+ asize = ABS (size);
+ rp = PTR (r);
+ up = PTR (u);
+
+ EXP (r) = asize;
+
+ if (asize > prec)
+ {
+ up += asize - prec;
+ asize = prec;
+ }
+
+ MPN_COPY (rp, up, asize);
+ SIZ (r) = size >= 0 ? asize : -asize;
+}
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