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diff --git a/flow/synth_frequency_impl.cpp b/flow/synth_frequency_impl.cpp
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+ /*
+
+ Copyright (C) 2000 Stefan Westerfeld
+
+ 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., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+ */
+
+#include "artsflow.h"
+#include "stdsynthmodule.h"
+#include <math.h>
+#include <stdio.h>
+
+using namespace Arts;
+
+namespace Arts {
+
+class Synth_FREQUENCY_impl :public Synth_FREQUENCY_skel, public StdSynthModule
+{
+ float fpos;
+public:
+ void streamInit() {
+ fpos = 0;
+ }
+ void calculateBlock(unsigned long cycles) {
+ float fsample = samplingRateFloat;
+ float finc = *frequency/fsample;
+
+ while(cycles)
+ {
+ if(cycles >= 8 && ((finc*8+fpos) < 0.9))
+ {
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ fpos += finc; *pos++ = fpos;
+ cycles -= 8;
+ }
+ else
+ {
+ fpos += finc;
+ fpos -= floor(fpos);
+ *pos++ = fpos;
+ cycles--;
+ }
+ }
+ }
+};
+
+REGISTER_IMPLEMENTATION(Synth_FREQUENCY_impl);
+
+}