src/main/java/com/jsyn/unitgen/RectangularWindow.java


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/*
 * Copyright 2013 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.data.SpectralWindow;

/**
 * Window that is just 1.0. Flat like a rectangle.
 * 
 * @author Phil Burk (C) 2013 Mobileer Inc
 * @see SpectralFFT
 */
public class RectangularWindow implements SpectralWindow {
    static RectangularWindow instance = new RectangularWindow();

    @Override
    /** This always returns 1.0. Do not pass indices outside the window range. */
    public double get(int index) {
        return 1.0; // impressive, eh?
    }

    public static RectangularWindow getInstance() {
        return instance;
    }
}