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      1 /* mpc_pow_fr -- Raise a complex number to a floating-point power.
      2 
      3 Copyright (C) 2009, 2011, 2012 INRIA
      4 
      5 This file is part of GNU MPC.
      6 
      7 GNU MPC is free software; you can redistribute it and/or modify it under
      8 the terms of the GNU Lesser General Public License as published by the
      9 Free Software Foundation; either version 3 of the License, or (at your
     10 option) any later version.
     11 
     12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
     13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
     14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
     15 more details.
     16 
     17 You should have received a copy of the GNU Lesser General Public License
     18 along with this program. If not, see http://www.gnu.org/licenses/ .
     19 */
     20 
     21 #include "mpc-impl.h"
     22 
     23 int
     24 mpc_pow_fr (mpc_ptr z, mpc_srcptr x, mpfr_srcptr y, mpc_rnd_t rnd)
     25 {
     26   mpc_t yy;
     27   int inex;
     28 
     29   /* avoid copying the significand of y by copying only the struct */
     30   mpc_realref(yy)[0] = y[0];
     31   mpfr_init2 (mpc_imagref(yy), MPFR_PREC_MIN);
     32   mpfr_set_ui (mpc_imagref(yy), 0, MPFR_RNDN);
     33   inex = mpc_pow (z, x, yy, rnd);
     34   mpfr_clear (mpc_imagref(yy));
     35   return inex;
     36 }
     37 
     38