/*******************************************************************************
 * Copyright 2021 Viridian Software Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 ******************************************************************************/
package org.mini2Dx.core.util;

public class HashUtils {
	public static int hashCode(int a) {
		int result = 1;
		result = 31 * result + Integer.hashCode(a);
		return result;
	}

	public static int hashCode(int [] a) {
		if (a == null)
			return 0;

		int result = 1;

		for (int element : a)
			result = 31 * result + Integer.hashCode(element);

		return result;
	}
}

/*******************************************************************************
 * Copyright 2021 Viridian Software Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 ******************************************************************************/
package org.mini2Dx.core.util;

public class HashUtils {
	public static int hashCode(int a) {
		return a;
	}

	public static int hashCode(int [] a) {
		if (a == null)
			return 0;

		int result = 1;

		for (int element : a)
			result = 31 * result + Integer.hashCode(element);

		return result;
	}
}

Update HashUtils.hashcode(int) to be consistent with Integer