Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package net.minecraft.server;
2
3public class MathHelper {
4
5 private static float[] a = new float[65536];
6
7 public MathHelper() {
8 }
9
10 public static final float sin(float f) {
11 return a[(int) (f * 10430.378F) & '\uffff'];
12 }
13
14 public static final float cos(float f) {
15 return a[(int) (f * 10430.378F + 16384.0F) & '\uffff'];
16 }
17
18 public static final float c(float f) {
19 return (float) Math.sqrt((double) f);
20 }
21
22 public static final float a(double d0) {
23 return (float) Math.sqrt(d0);
24 }
25
26 public static int d(float f) {
27 int i = (int) f;
28
29 return f < (float) i ? i - 1 : i;
30 }
31
32 public static int floor(double d0) {
33 int i = (int) d0;
34
35 return d0 < (double) i ? i - 1 : i;
36 }
37
38 public static float abs(float f) {
39 return f >= 0.0F ? f : -f;
40 }
41
42 public static double a(double d0, double d1) {
43 if (d0 < 0.0D) {
44 d0 = -d0;
45 }
46
47 if (d1 < 0.0D) {
48 d1 = -d1;
49 }
50
51 return d0 > d1 ? d0 : d1;
52 }
53
54 static {
55 for (int i = 0; i < 65536; ++i) {
56 a[i] = (float) Math.sin((double) i * 3.141592653589793D * 2.0D / 65536.0D);
57 }
58 }
59}