Last change
on this file since 345 was 127, checked in by Wouter Pasman, 6 years ago |
#41 ROLL BACK of rev.126 . So this version is equal to rev. 125
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File size:
441 bytes
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[127] | 1 | package agents.Jama.util;
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| 2 |
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| 3 | public class Maths {
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| 4 |
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| 5 | /** sqrt(a^2 + b^2) without under/overflow. **/
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| 6 |
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| 7 | public static double hypot(double a, double b) {
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| 8 | double r;
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| 9 | if (Math.abs(a) > Math.abs(b)) {
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| 10 | r = b/a;
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| 11 | r = Math.abs(a)*Math.sqrt(1+r*r);
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| 12 | } else if (b != 0) {
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| 13 | r = a/b;
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| 14 | r = Math.abs(b)*Math.sqrt(1+r*r);
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| 15 | } else {
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| 16 | r = 0.0;
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| 17 | }
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| 18 | return r;
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| 19 | }
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| 20 | }
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