1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/libgmp/mpf/sqrt_ui.c b/contrib/libgmp/mpf/sqrt_ui.c
new file mode 100644
index 0000000..421aa021
--- /dev/null
+++ b/contrib/libgmp/mpf/sqrt_ui.c
@@ -0,0 +1,61 @@
+/* mpf_sqrt_ui -- Compute the square root of an unsigned integer.
+
+Copyright (C) 1993, 1994, 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_sqrt_ui (mpf_ptr r, unsigned long int u)
+#else
+mpf_sqrt_ui (r, u)
+     mpf_ptr r;
+     unsigned long int u;
+#endif
+{
+  mp_size_t rsize;
+  mp_ptr tp;
+  mp_size_t prec;
+  TMP_DECL (marker);
+
+  if (u == 0)
+    {
+      r->_mp_size = 0;
+      r->_mp_exp = 0;
+      return;
+    }
+
+  TMP_MARK (marker);
+
+  prec = r->_mp_prec;
+  rsize = 2 * prec + 1;
+
+  tp = (mp_ptr) TMP_ALLOC (rsize * BYTES_PER_MP_LIMB);
+
+  MPN_ZERO (tp, rsize - 1);
+  tp[rsize - 1] = u;
+
+  mpn_sqrtrem (r->_mp_d, NULL, tp, rsize);
+
+  r->_mp_size = prec + 1;
+  r->_mp_exp = 1;
+  TMP_FREE (marker);
+}