1 files changed, 38 insertions, 0 deletions
diff --git a/mpc/src/pow_d.c b/mpc/src/pow_d.c
new file mode 100644
index 0000000000..8034b26293
--- /dev/null
+++ b/mpc/src/pow_d.c
@@ -0,0 +1,38 @@
+/* mpc_pow_d -- Raise a complex number to a double-precision power.
+
+Copyright (C) 2009 INRIA
+
+This file is part of GNU MPC.
+
+GNU MPC is free software; you can redistribute it and/or modify it under
+the terms of 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.
+
+GNU MPC 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 Lesser General Public License for
+more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program. If not, see http://www.gnu.org/licenses/ .
+*/
+
+#include <stdio.h>    /* for MPC_ASSERT */
+#include <float.h>    /* for DBL_MANT_DIG */
+#include "mpc-impl.h"
+
+int
+mpc_pow_d (mpc_ptr z, mpc_srcptr x, double y, mpc_rnd_t rnd)
+{
+  mpc_t yy;
+  int inex;
+  
+  MPC_ASSERT(FLT_RADIX == 2);
+  mpc_init3 (yy, DBL_MANT_DIG, MPFR_PREC_MIN);
+  mpc_set_d (yy, y, MPC_RNDNN);   /* exact */
+  inex = mpc_pow (z, x, yy, rnd);
+  mpc_clear (yy);
+  return inex;
+}
+