00001 namespace SPUC { 00002 // Copyright(c) 1993-1996 Tony Kirke 00003 /* 00004 * SPUC - Signal processing using C++ - A DSP library 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2, or (at your option) 00009 * any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00019 */ 00024 // 00034 template <class T> T qpsk_rcfd(complex<T> fmf, complex<T> curr) 00035 { 00036 return(curr.im*fmf.re - fmf.im*curr.re); 00037 } 00038 } // namespace SPUC