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/*
* Copyright 2009 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;
/**
* This unit multiplies its two inputs. <br>
*
* <pre>
* output = inputA * inputB
* </pre>
*
* <br>
* Note that some units have an amplitude port, which controls an internal multiply. So you may not
* need this unit.
*
* @author Phil Burk (C) 2009 Mobileer Inc
* @version 016
* @see MultiplyAdd
* @see Subtract
*/
public class Multiply extends UnitBinaryOperator {
public Multiply() {
}
/** Connect a to inputA and b to inputB. */
public Multiply(UnitOutputPort a, UnitOutputPort b) {
a.connect(inputA);
b.connect(inputB);
}
/** Connect a to inputA and b to inputB and connect output to c. */
public Multiply(UnitOutputPort a, UnitOutputPort b, UnitInputPort c) {
this(a, b);
output.connect(c);
}
@Override
public void generate(int start, int limit) {
double[] aValues = inputA.getValues();
double[] bValues = inputB.getValues();
double[] outputs = output.getValues();
for (int i = start; i < limit; i++) {
outputs[i] = aValues[i] * bValues[i];
}
}
}
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