Marsyas
0.6.0-alpha
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00001 /* 00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca> 00003 ** 00004 ** This program is free software; you can redistribute it and/or modify 00005 ** it under the terms of the GNU General Public License as published by 00006 ** the Free Software Foundation; either version 2 of the License, or 00007 ** (at your option) any later version. 00008 ** 00009 ** This program is distributed in the hope that it will be useful, 00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 ** GNU General Public License for more details. 00013 ** 00014 ** You should have received a copy of the GNU General Public License 00015 ** along with this program; if not, write to the Free Software 00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00019 #include "Subtract.h" 00020 #include "../common_source.h" 00021 00022 00023 using namespace std; 00024 using namespace Marsyas; 00025 00026 Subtract::Subtract(mrs_string name):MarSystem("Subtract", name) 00027 { 00028 addControls(); 00029 } 00030 00031 Subtract::Subtract(const Subtract& a) : MarSystem(a) 00032 { 00033 00034 } 00035 00036 00037 Subtract::~Subtract() 00038 { 00039 } 00040 00041 MarSystem* 00042 Subtract::clone() const 00043 { 00044 return new Subtract(*this); 00045 } 00046 00047 void 00048 Subtract::addControls() 00049 { 00050 00051 } 00052 00053 void 00054 Subtract::myUpdate(MarControlPtr sender) 00055 { 00056 (void) sender; //suppress warning of unused parameter(s) 00057 MRSDIAG("Subtract.cpp - Subtract:myUpdate"); 00058 00059 ctrl_onSamples_->setValue(ctrl_inSamples_, NOUPDATE); 00060 ctrl_onObservations_->setValue(1, NOUPDATE); 00061 ctrl_osrate_->setValue(ctrl_israte_, NOUPDATE); 00062 ctrl_onObsNames_->setValue(ctrl_inObsNames_, NOUPDATE); 00063 } 00064 00065 void 00066 Subtract::myProcess(realvec& in, realvec& out) 00067 { 00068 for (mrs_natural t = 0; t < inSamples_; t++) 00069 out(0,t) = in(0,t) - in(1,t); 00070 }