added pow_z, pow_ui, pow_fr, pow_si, pow_d and pow_ld

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/mpc/trunk@700 211d60ee-9f03-0410-a15a-8952a2c7a4e4

1 files changed, 38 insertions, 0 deletions

diff --git a/src/pow_fr.c b/src/pow_fr.c
new file mode 100644
index 0000000..c998060
--- /dev/null
+++ b/src/pow_fr.c
@@ -0,0 +1,38 @@
+/* mpc_pow_fr -- Raise a complex number to a floating-point power.
+
+Copyright (C) 2009 Paul Zimmermann
+
+This file is part of the MPC Library.
+
+The MPC Library 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 2.1 of the License, or (at your
+option) any later version.
+
+The MPC 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the MPC 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 "mpc-impl.h"
+
+int
+mpc_pow_fr (mpc_ptr z, mpc_srcptr x, mpfr_srcptr y, mpc_rnd_t rnd)
+{
+  mpc_t yy;
+  int inex;
+
+  /* avoid copying the significand of y by copying only the struct */
+  MPC_RE(yy)[0] = y[0];
+  mpfr_init2 (MPC_IM(yy), MPFR_PREC_MIN);
+  mpfr_set_ui (MPC_IM(yy), 0, GMP_RNDN);
+  inex = mpc_pow (z, x, yy, rnd);
+  mpfr_clear (MPC_IM(yy));
+  return inex;
+}
+