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/*
Copyright (C) 2000 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "artsflow.h"
#include "stdsynthmodule.h"
using namespace Arts;
namespace Arts {
class Synth_MULTI_ADD_impl :public Synth_MULTI_ADD_skel, public StdSynthModule
{
public:
void calculateBlock(unsigned long cycles);
AutoSuspendState autoSuspend() { return asSuspend; }
};
REGISTER_IMPLEMENTATION(Synth_MULTI_ADD_impl);
}
void Synth_MULTI_ADD_impl::calculateBlock(unsigned long cycles)
{
float *outend = outvalue + cycles;
float *outp, *inp;
if(!invalue[0])
{
// no invalue? zero out the outvalue
for(outp = outvalue; outp != outend; outp++) *outp = 0.0;
}
else
{
// copy first signal
for(outp = outvalue, inp = invalue[0]; outp != outend; outp++, inp++)
*outp = *inp;
// add the others
for(int sig=1;(inp = invalue[sig]) != 0;sig++)
{
for(outp = outvalue; outp != outend;outp++,inp++)
*outp += *inp;
}
}
}
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