1 files changed, 50 insertions, 0 deletions
diff --git a/arts/modules/synth/synth_wave_softsaw_impl.cc b/arts/modules/synth/synth_wave_softsaw_impl.cc
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+++ b/arts/modules/synth/synth_wave_softsaw_impl.cc
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+    /*
+
+    Copyright (C) 2000 Jeff Tranter
+                       tranter@pobox.com
+
+    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 <math.h>
+#include "artsmodulessynth.h"
+#include "stdsynthmodule.h"
+
+using namespace Arts;
+
+namespace Arts {
+
+// This is a sawtooth that has it's trough rounded off using a cosine
+// wave.
+
+class Synth_WAVE_SOFTSAW_impl : virtual public Synth_WAVE_SOFTSAW_skel,
+							virtual public StdSynthModule
+{
+public:
+	void calculateBlock(unsigned long cycles)
+	{
+		for(unsigned long i=0; i<cycles; i++)
+			if ((pos[i] < 0.1) || (pos[i] > 0.9))
+				outvalue[i] = 1 - pos[i] * 2;
+			else
+				outvalue[i] = cos(pos[i]*2*M_PI);
+	}
+};
+
+REGISTER_IMPLEMENTATION(Synth_WAVE_SOFTSAW_impl);
+
+}