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+/* sc4pd
+ NRand, NRand~
+
+ 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: Jim O'Rourke & Loren Mazzacane Connors: In Bern
+
+*/
+
+#include "sc4pd.hpp"
+
+
+/* ------------------------ NRand~ -------------------------------*/
+
+class NRand_ar:
+ public sc4pd_dsp
+{
+ FLEXT_HEADER(NRand_ar,sc4pd_dsp);
+
+public:
+ NRand_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);
+
+ void m_seed(int i)
+ {
+ rgen.init(i);
+ }
+
+private:
+ float m_sample;
+ float lo;
+ float hi;
+ int sc_n;
+ RGen rgen;
+ FLEXT_CALLBACK_I(m_seed);
+};
+
+FLEXT_LIB_DSP_V("NRand~",NRand_ar);
+
+NRand_ar::NRand_ar(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"seed",m_seed);
+
+ AtomList Args(argc,argv);
+
+ if (Args.Count() != 3)
+ {
+ post("not enough arguments");
+ return;
+ }
+ lo=sc_getfloatarg(Args,0);
+ hi=sc_getfloatarg(Args,1);
+ sc_n=sc_getfloatarg(Args,2);
+
+ rgen.init(timeseed());
+
+ AddOutSignal();
+}
+
+void NRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out)
+{
+ float range = hi - lo;
+ float sum = 0;
+ for (int i=0; i<sc_n; ++i)
+ {
+ sum += rgen.frand();
+ }
+ m_sample = (sum/sc_n) * range + lo;
+}
+
+
+void NRand_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;
+ }
+}
+
+
+/* ------------------------ NRand ---------------------------------*/
+
+class NRand_kr:
+ public flext_base
+{
+ FLEXT_HEADER(NRand_kr,flext_base);
+
+public:
+ NRand_kr(int argc, t_atom *argv);
+
+protected:
+ void m_loadbang();
+
+ void m_seed(int i)
+ {
+ rgen.init(i);
+ }
+
+private:
+ float lo;
+ float hi;
+ int sc_n;
+ RGen rgen;
+ FLEXT_CALLBACK_I(m_seed);
+};
+
+FLEXT_LIB_V("NRand",NRand_kr);
+
+NRand_kr::NRand_kr(int argc, t_atom *argv)
+{
+ FLEXT_ADDMETHOD_(0,"seed",m_seed);
+
+ AtomList Args(argc,argv);
+ if (Args.Count() != 3)
+ {
+ post("not enough arguments");
+ return;
+ }
+ lo=sc_getfloatarg(Args,0);
+ hi=sc_getfloatarg(Args,1);
+ sc_n=sc_getfloatarg(Args,2);
+
+ rgen.init(timeseed());
+
+ AddOutFloat();
+}
+
+void NRand_kr::m_loadbang()
+{
+ float range = hi - lo;
+ float sum = 0;
+ for (int i=0; i<sc_n; ++i)
+ {
+ sum += rgen.frand();
+ }
+ ToOutFloat(0,(sum/sc_n) * range + lo);
+}