Update of /cvsroot/pure-data/externals/sc4pd/source In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv8621

Added Files: Rand.cpp Log Message: checking in

--- NEW FILE: Rand.cpp --- /* sc4pd Rand, Rand~

Copyright (c) 2004 Tim Blechmann.

This code is derived from: SuperCollider real time audio synthesis system Copyright (c) 2002 James McCartney. All rights reserved. http://www.audiosynth.com

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Based on: PureData by Miller Puckette and others. http://www.crca.ucsd.edu/~msp/software.html FLEXT by Thomas Grill http://www.parasitaere-kapazitaeten.net/ext SuperCollider by James McCartney http://www.audiosynth.com

Coded while listening to: the sounds coming through my open window

*/

#include <flext.h> #include "SC_PlugIn.h" #include "support.hpp"

#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406) #error You need at least FLEXT version 0.4.6 #endif

/* ------------------------ Rand~ -------------------------------*/

class Rand_ar: public flext_dsp { FLEXT_HEADER(Rand_ar,flext_dsp);

public: Rand_ar(int argc, t_atom *argv);

protected: virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out);

private: float m_sample; float lo; float hi; RGen rgen; };

FLEXT_LIB_DSP_V("Rand~",Rand_ar);

Rand_ar::Rand_ar(int argc, t_atom *argv) { AtomList Args(argc,argv);

if (Args.Count() != 2) { post("not enough arguments"); return; } lo=sc_getfloatarg(Args,0); hi=sc_getfloatarg(Args,1);

rgen.init(0); //this should be changed

AddOutSignal(); }

void Rand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out) { float range = hi - lo; m_sample = rgen.frand() * range + lo; }

void Rand_ar::m_signal(int n, t_sample *const *in, t_sample *const *out) { t_sample *nout = *out;

float sample = m_sample;

for (int i = 0; i!= n;++i) { (*(nout)++) = sample; } }

/* ------------------------ Rand ---------------------------------*/

class Rand_kr: public flext_base { FLEXT_HEADER(Rand_kr,flext_base);

public: Rand_kr(int argc, t_atom *argv);

protected: void m_loadbang();

private: float lo; float hi; RGen rgen; };

FLEXT_LIB_V("Rand",Rand_kr);

Rand_kr::Rand_kr(int argc, t_atom *argv) { AtomList Args(argc,argv); if (Args.Count() != 2) { post("not enough arguments"); return; } lo=sc_getfloatarg(Args,0); hi=sc_getfloatarg(Args,1);

rgen.init(0);

AddOutFloat(); }

void Rand_kr::m_loadbang() { float range = hi - lo;

ToOutFloat(0,rgen.frand() * range + lo); }