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/*******************************************************************************
 * Copyright (c) 2010-2020 Haifeng Li. All rights reserved.
 *
 * Smile is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * Smile is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Smile.  If not, see .
 ******************************************************************************/

package smile.math.blas;

/** The option if computing eigen vectors. */
public enum EVDJob {
    /** Eigenvalues only are computed. */
    NO_VECTORS((byte) 'N'),
    /** Both eigen values and vectors are computed. */
    VECTORS((byte) 'V');

    /** Byte value passed to LAPACK. */
    private final byte lapack;

    /** Constructor. */
    EVDJob(byte lapack) {
        this.lapack = lapack;
    }

    /** Returns the byte value for LAPACK. */
    public byte lapack() { return lapack; }
}