Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/Reciprocal.cpp
Go to the documentation of this file.
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 "Reciprocal.h"
00020 
00021 using namespace std;
00022 using namespace Marsyas;
00023 
00024 Reciprocal::Reciprocal(mrs_string name):MarSystem("Reciprocal",name)
00025 {
00026 }
00027 
00028 
00029 Reciprocal::~Reciprocal()
00030 {
00031 }
00032 
00033 MarSystem*
00034 Reciprocal::clone() const
00035 {
00036   return new Reciprocal(*this);
00037 }
00038 
00039 void
00040 Reciprocal::myUpdate(MarControlPtr sender)
00041 {
00042   (void) sender;  //suppress warning of unused parameter(s)
00043 
00044   setctrl("mrs_natural/onSamples", getctrl("mrs_natural/inSamples"));
00045   setctrl("mrs_natural/onObservations", getctrl("mrs_natural/inObservations"));
00046   setctrl("mrs_real/osrate", getctrl("mrs_real/israte"));
00047 }
00048 
00049 
00050 void
00051 Reciprocal::myProcess(realvec& in, realvec& out)
00052 {
00053   mrs_natural o,t;
00054   for (o=0; o < inObservations_; o++)
00055     for (t = 0; t < inSamples_; t++)
00056     {
00057       if (in(o,t) != 0.0)
00058         out(o,t) = 1/in(o,t);
00059       else
00060         out(o,t) = MAXREAL;
00061     }
00062 }