SingleQubitMatrixGate.java

/*-
 * #%L
 * Strange
 * %%
 * Copyright (C) 2020 Johan Vos
 * %%
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the Johan Vos nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * #L%
 */
package org.redfx.strange.gate;

import org.redfx.strange.Complex;

/**
 *
 * This class describe a Gate that operates on a single qubit only and that is
 * predefined with a given matrix.
 *
 * @author johan
 * @version $Id: $Id
 */
public class SingleQubitMatrixGate extends SingleQubitGate {
    
    private Complex[][] matrix;
    
    /**
     * <p>Constructor for SingleQubitMatrixGate.</p>
     *
     * @param idx a int
     * @param m an array of {@link org.redfx.strange.Complex} objects
     */
    public SingleQubitMatrixGate(int idx, Complex[][] m) {
        super(idx);
        this.matrix = m;
    }
    
    /** {@inheritDoc} */
    @Override
    public Complex[][] getMatrix() {
        return this.matrix;
    }
       
    /** {@inheritDoc} */
    @Override
    public void setInverse(boolean v) {
        super.setInverse(v);
        matrix = Complex.conjugateTranspose(matrix);
    }
    
    /** {@inheritDoc} */
    @Override public String toString() {
        return "SingleQubitMatrixGate with index "+idx;
    }
    
}