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 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
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 *
 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.commons.math3.optim.linear;

import org.apache.commons.math3.optim.OptimizationData;

A constraint for a linear optimization problem indicating whether all
variables must be restricted to non-negative values.
Since:
3.1/**
 * A constraint for a linear optimization problem indicating whether all
 * variables must be restricted to non-negative values.
 *
 * @since 3.1
 */
public class NonNegativeConstraint implements OptimizationData {
    
Whether the variables are all positive. /** Whether the variables are all positive. */
    private final boolean isRestricted;

    
Params:
restricted – If true, all the variables must be positive./**
     * @param restricted If {@code true}, all the variables must be positive.
     */
    public NonNegativeConstraint(boolean restricted) {
        isRestricted = restricted;
    }

    
Indicates whether all the variables must be restricted to non-negative
values.
Returns:
true if all the variables must be positive./**
     * Indicates whether all the variables must be restricted to non-negative
     * values.
     *
     * @return {@code true} if all the variables must be positive.
     */
    public boolean isRestrictedToNonNegative() {
        return isRestricted;
    }
}