com.fireflysource.common.math.MathUtils Maven / Gradle / Ivy
package com.fireflysource.common.math;
public class MathUtils {
private MathUtils() {
}
/**
* Returns whether the sum of the arguments overflows an {@code int}.
*
* @param a the first value
* @param b the second value
* @return whether the sum of the arguments overflows an {@code int}
*/
public static boolean sumOverflows(int a, int b) {
try {
Math.addExact(a, b);
return false;
} catch (ArithmeticException x) {
return true;
}
}
/**
* Returns the sum of its arguments, capping to {@link Long#MAX_VALUE} if they overflow.
*
* @param a the first value
* @param b the second value
* @return the sum of the values, capped to {@link Long#MAX_VALUE}
*/
public static long cappedAdd(long a, long b) {
try {
return Math.addExact(a, b);
} catch (ArithmeticException x) {
return Long.MAX_VALUE;
}
}
}