1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/unitgen/Select.java b/src/main/java/com/jsyn/unitgen/Select.java
new file mode 100644
index 0000000..6d8792e
--- /dev/null
+++ b/src/main/java/com/jsyn/unitgen/Select.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2004 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.unitgen;
+
+import com.jsyn.ports.UnitInputPort;
+import com.jsyn.ports.UnitOutputPort;
+
+/**
+ * SelectUnit unit. Select InputA or InputB based on value on Select port.
+ *
+ *<pre> <code>
+   output = ( select &gt; 0.0 ) ? inputB : inputA;
+</code> </pre>
+ *
+ * @author (C) 2004-2009 Phil Burk, SoftSynth.com
+ */
+
+public class Select extends UnitGenerator {
+    public UnitInputPort inputA;
+    public UnitInputPort inputB;
+    public UnitInputPort select;
+    public UnitOutputPort output;
+
+    public Select() {
+        addPort(inputA = new UnitInputPort("InputA"));
+        addPort(inputB = new UnitInputPort("InputB"));
+        addPort(select = new UnitInputPort("Select"));
+        addPort(output = new UnitOutputPort("Output"));
+    }
+
+    @Override
+    public void generate(int start, int limit) {
+        double[] inputAs = inputA.getValues();
+        double[] inputBs = inputB.getValues();
+        double[] selects = select.getValues();
+        double[] outputs = output.getValues();
+
+        for (int i = start; i < limit; i++) {
+            outputs[i] = (selects[i] > UnitGenerator.FALSE) ? inputBs[i] : inputAs[i];
+        }
+    }
+}