Updating to NBMs from NetBeans 8.0.1 as some of them are required to run on JDK8
1 package org.apidesign.math;
3 /** Class to simplify arithmetical operations, improved version to compute
4 * the sum for ranges, but only if the virtual machine is configured to
5 * run in incompatible mode.
7 * @author Jaroslav Tulach <jtulach@netbeans.org>
10 // BEGIN: design.composition.arith2.0.property
11 public class Arithmetica {
12 public int sumTwo(int one, int second) {
16 public int sumAll(int... numbers) {
17 if (numbers.length == 0) {
21 for (int i = 1; i < numbers.length; i++) {
22 sum = sumTwo(sum, numbers[i]);
27 public int sumRange(int from, int to) {
28 // BEGIN: design.composition.arith2.0.property.if
29 if (Boolean.getBoolean("arithmetica.v2")) {
30 return sumRange2(from, to);
32 return sumRange1(from, to);
34 // END: design.composition.arith2.0.property.if
37 private int sumRange1(int from, int to) {
43 int[] array = new int[len + 1];
44 for (int i = 0; i <= len; i++) {
50 private int sumRange2(int from, int to) {
51 return (from + to) * (Math.abs(to - from) + 1) / 2;
54 // END: design.composition.arith2.0.property