com.opengamma.analytics.math.util.wrapper.ColtMathWrapper.java Source code

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Here is the source code for com.opengamma.analytics.math.util.wrapper.ColtMathWrapper.java

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/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.analytics.math.util.wrapper;

import org.apache.commons.lang.Validate;

import com.opengamma.analytics.math.matrix.DoubleMatrix2D;

/**
 * Utility class for converting OpenGamma mathematical objects into <a href="http://acs.lbl.gov/software/colt/api/index.html">Colt</a> objects and vice versa.
 */
public final class ColtMathWrapper {

    private ColtMathWrapper() {
    }

    /**
     * @param x A Colt 2D matrix of doubles, not null
     * @return An OG 2D matrix
     */
    public static DoubleMatrix2D wrap(final cern.colt.matrix.DoubleMatrix2D x) {
        Validate.notNull(x, "x");
        return new DoubleMatrix2D(x.toArray());
    }

    /**
     * @param x An OG 2D matrix of doubles, not null
     * @return A Colt 2D matrix
     */
    public static cern.colt.matrix.DoubleMatrix2D wrap(final DoubleMatrix2D x) {
        Validate.notNull(x, "x");
        return cern.colt.matrix.DoubleFactory2D.dense.make(x.getData());

    }
}