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/*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.
 *  *
 *  * SPDX-License-Identifier: Apache-2.0
 *  *****************************************************************************
 */

package org.nd4j.linalg.api.iter;

import org.nd4j.linalg.api.ndarray.INDArray;

import java.util.Iterator;

public class FirstAxisIterator implements Iterator {
    private INDArray iterateOver;
    private int i = 0;


    /**
     *
     * @param iterateOver
     */
    public FirstAxisIterator(INDArray iterateOver) {
        this.iterateOver = iterateOver;
    }

    @Override
    public boolean hasNext() {
        return i < iterateOver.slices();
    }

    @Override
    public void remove() {

    }

    @Override
    public Object next() {
        INDArray s = iterateOver.slice(i++);
        if (s.isScalar()) {
            return s.getDouble(0);
        } else {
            return s;
        }
    }

}