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authorTim Blechmann <timblech@users.sourceforge.net>2004-07-30 21:27:07 +0000
committerIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 15:11:55 +0200
commit0aa3917ce03265d942b86fcc0b0d224b0e46627f (patch)
tree4a9e5637fd7d6c9b83fb29f9e2babd456668ce07 /sc4pd/source/sqrdif.cpp~
parent5a8caf3981072a2184a17bd9a23c4b7b6f07feb7 (diff)
Binary Operators
svn path=/trunk/externals/tb/; revision=1899
Diffstat (limited to 'sc4pd/source/sqrdif.cpp~')
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diff --git a/sc4pd/source/sqrdif.cpp~ b/sc4pd/source/sqrdif.cpp~
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+/* sc4pd
+ sqrdif, sqrdif~
+
+ 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: Evan Parker & Keith Rowe: Dark Rags
+
+*/
+
+#include <flext.h>
+#include "SC_PlugIn.h"
+
+#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406)
+#error You need at least FLEXT version 0.4.6
+#endif
+
+
+inline float sc_sqrdif (float a, float b)
+{
+ return a*a+b*b;
+}
+
+
+/* ------------------------ sqrdif~ -----------------------------*/
+
+class sqrdif_ar
+ :public flext_dsp
+{
+ FLEXT_HEADER(sqrdif_ar,flext_dsp);
+
+public:
+ sqrdif_ar(int argc,t_atom * argv);
+
+protected:
+ virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);
+
+private:
+
+};
+
+FLEXT_LIB_DSP_V("sqrdif~",sqrdif_ar);
+
+sqrdif_ar::sqrdif_ar(int argc,t_atom * argv)
+{
+ AddInSignal();
+ AddInSignal();
+ AddOutSignal();
+}
+
+void sqrdif_ar::m_signal(int n, t_sample *const *in,
+ t_sample *const *out)
+{
+ t_sample *nout = *out;
+ t_sample *nin1 = *in;
+ t_sample *nin2 = *(in+1);
+
+ for (int i = 0; i!= n;++i)
+ {
+ if( *nin2 > 0)
+ (*(nout)++) = sc_sqrdif( (*(nin1)++), (*(nin2)++) );
+ }
+}
+
+
+
+/* ------------------------ sqrdif ------------------------------*/
+
+class sqrdif_kr
+ :public flext_base
+{
+ FLEXT_HEADER(sqrdif_kr,flext_base);
+
+public:
+ sqrdif_kr(int argc,t_atom * argv);
+
+protected:
+ void m_perform(float f);
+ void m_set(float f);
+
+private:
+ float b;
+ FLEXT_CALLBACK_F(m_perform);
+ FLEXT_CALLBACK_F(m_set);
+};
+
+FLEXT_LIB_V("sqrdif",sqrdif_kr);
+
+sqrdif_kr::sqrdif_kr(int argc,t_atom * argv)
+ :b(0)
+{
+
+ AddInFloat();
+ AddInFloat();
+ AddOutFloat();
+
+ FLEXT_ADDMETHOD(0,m_perform);
+ FLEXT_ADDMETHOD(1,m_set);
+}
+
+void sqrdif_kr::m_perform(float f)
+{
+ ToOutFloat(0,sc_sqrdif(f,b));
+}
+
+void sqrdif_kr::m_set(float f)
+{
+ b=f;
+}