1/* mpc_pow_ld -- Raise a complex number to a long double power. 2 3Copyright (C) 2009 INRIA 4 5This file is part of GNU MPC. 6 7GNU MPC is free software; you can redistribute it and/or modify it under 8the terms of the GNU Lesser General Public License as published by the 9Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for 15more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along with this program. If not, see http://www.gnu.org/licenses/ . 19*/ 20 21#include <stdio.h> /* for MPC_ASSERT */ 22#include <float.h> /* for LDBL_MANT_DIG */ 23#include "mpc-impl.h" 24 25int 26mpc_pow_ld (mpc_ptr z, mpc_srcptr x, long double y, mpc_rnd_t rnd) 27{ 28 mpc_t yy; 29 int inex; 30 31 MPC_ASSERT(FLT_RADIX == 2); 32 mpc_init3 (yy, LDBL_MANT_DIG, MPFR_PREC_MIN); 33 mpc_set_ld (yy, y, MPC_RNDNN); /* exact */ 34 inex = mpc_pow (z, x, yy, rnd); 35 mpc_clear (yy); 36 return inex; 37} 38 39