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1 files changed, 50 insertions, 0 deletions

diff --git a/mpf/pow_ui.c b/mpf/pow_ui.c
new file mode 100644
index 000000000..52e00e2f2
--- /dev/null
+++ b/mpf/pow_ui.c
@@ -0,0 +1,50 @@
+/* mpf_pow_ui -- Compute b^e.
+
+Copyright (C) 1998 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_pow_ui (mpf_ptr r, mpf_srcptr b, unsigned long int e)
+#else
+mpf_pow_ui (r, b, e)
+     mpf_ptr r;
+     mpf_srcptr b;
+     unsigned long int e;
+#endif
+{
+  mpf_t b2;
+
+  mpf_init2 (b2, mpf_get_prec (r));
+  mpf_set (b2, b);
+  mpf_set_ui (r, 1);
+
+  while (e != 0)
+    {
+      if ((e & 1) != 0)
+	mpf_mul (r, r, b2);
+      mpf_mul (b2, b2, b2);
+      e >>= 1;
+    }
+
+  mpf_clear (b2);
+}