1 /* mpc_fr_div -- Divide a floating-point number by a complex number. 2 3 Copyright (C) 2008, 2009, 2011 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_fr_div (mpc_ptr a, mpfr_srcptr b, mpc_srcptr c, mpc_rnd_t rnd) 25 { 26 mpc_t bc; 27 int inexact; 28 29 mpc_realref (bc)[0] = b [0]; 30 mpfr_init (mpc_imagref (bc)); 31 /* we consider the operand b to have imaginary part +0 */ 32 mpfr_set_ui (mpc_imagref (bc), 0, GMP_RNDN); 33 34 inexact = mpc_div (a, bc, c, rnd); 35 36 mpfr_clear (mpc_imagref (bc)); 37 38 return inexact; 39 } 40