1*d30dc8cbSJohn Marino /* mpc_pow_fr -- Raise a complex number to a floating-point power.
2*d30dc8cbSJohn Marino
3*d30dc8cbSJohn Marino Copyright (C) 2009, 2011 INRIA
4*d30dc8cbSJohn Marino
5*d30dc8cbSJohn Marino This file is part of GNU MPC.
6*d30dc8cbSJohn Marino
7*d30dc8cbSJohn Marino GNU MPC is free software; you can redistribute it and/or modify it under
8*d30dc8cbSJohn Marino the terms of the GNU Lesser General Public License as published by the
9*d30dc8cbSJohn Marino Free Software Foundation; either version 3 of the License, or (at your
10*d30dc8cbSJohn Marino option) any later version.
11*d30dc8cbSJohn Marino
12*d30dc8cbSJohn Marino GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13*d30dc8cbSJohn Marino WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14*d30dc8cbSJohn Marino FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15*d30dc8cbSJohn Marino more details.
16*d30dc8cbSJohn Marino
17*d30dc8cbSJohn Marino You should have received a copy of the GNU Lesser General Public License
18*d30dc8cbSJohn Marino along with this program. If not, see http://www.gnu.org/licenses/ .
19*d30dc8cbSJohn Marino */
20*d30dc8cbSJohn Marino
21*d30dc8cbSJohn Marino #include "mpc-impl.h"
22*d30dc8cbSJohn Marino
23*d30dc8cbSJohn Marino int
mpc_pow_fr(mpc_ptr z,mpc_srcptr x,mpfr_srcptr y,mpc_rnd_t rnd)24*d30dc8cbSJohn Marino mpc_pow_fr (mpc_ptr z, mpc_srcptr x, mpfr_srcptr y, mpc_rnd_t rnd)
25*d30dc8cbSJohn Marino {
26*d30dc8cbSJohn Marino mpc_t yy;
27*d30dc8cbSJohn Marino int inex;
28*d30dc8cbSJohn Marino
29*d30dc8cbSJohn Marino /* avoid copying the significand of y by copying only the struct */
30*d30dc8cbSJohn Marino mpc_realref(yy)[0] = y[0];
31*d30dc8cbSJohn Marino mpfr_init2 (mpc_imagref(yy), MPFR_PREC_MIN);
32*d30dc8cbSJohn Marino mpfr_set_ui (mpc_imagref(yy), 0, GMP_RNDN);
33*d30dc8cbSJohn Marino inex = mpc_pow (z, x, yy, rnd);
34*d30dc8cbSJohn Marino mpfr_clear (mpc_imagref(yy));
35*d30dc8cbSJohn Marino return inex;
36*d30dc8cbSJohn Marino }
37*d30dc8cbSJohn Marino
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