jtulach@325: package org.apidesign.sidemeanings.math;
jtulach@325: 
jtulach@325: /** 
jtulach@325:  */
jtulach@325: // BEGIN: design.sidemeanings.arith.factorial
jtulach@325: public final class Factorial extends Arithmetica {
jtulach@325:     public int factorial(int n) {
jtulach@325:         return sumRange(1, n);
jtulach@325:     }
jtulach@325: 
jtulach@325:     @Override
jtulach@325:     protected int overridableSumTwo(int one, int second) {
jtulach@325:         return one * second;
jtulach@325:     }
jtulach@325: 
jtulach@325:     @Override
jtulach@325:     protected int overridableSumAll(int... numbers) {
jtulach@325:         return defaultSumAll(numbers);
jtulach@325:     }
jtulach@325: 
jtulach@325:     @Override
jtulach@325:     protected int overridableSumRange(int from, int to) {
jtulach@325:         return defaultSumRange(from, to);
jtulach@325:     }
jtulach@325: }
jtulach@325: // END: design.sidemeanings.arith.factorial
jtulach@325: