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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 android.support.v17.leanback.util;
/**
* Math Utilities for leanback library.
* @hide
*/
public final class MathUtil {
private MathUtil() {
// Prevent construction of this util class
}
/**
* Convert long to int safely. Similar with Math.toIntExact() in Java 8.
* @param numLong Number of type long to convert.
* @return int version of input.
* @throws ArithmeticException If input overflows int.
*/
public static int safeLongToInt(long numLong) {
if ((int) numLong != numLong) {
throw new ArithmeticException("Input overflows int.\n");
}
return (int) numLong;
}
}
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