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always sorting arraylist; more wire stuffs

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minjaesong
2019-03-12 19:50:28 +09:00
parent 0563ef0940
commit 08aa0e8f34
30 changed files with 288 additions and 115 deletions
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21
src/com/jme3/math/FastMath.java
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@@ -35,9 +35,6 @@
package com.jme3.math;
import java.util.Arrays;
import java.util.Random;
/**
* <code>FastMath</code> provides 'fast' math approximations and float equivalents of Math
* functions. These are all used as static values and functions.
@@ -118,10 +115,24 @@ final public class FastMath {
* Throws runtimeException for all numbers <= 1.
*
* @param number The number to obtain the POT for.
* @return The next power of two.
* @return The next power of two. (0 -> 0, 1 -> 0, 2 -> 1, 4 -> 2, 8 -> 3, 16 -> 4, etc.)
*/
public static int intLog2(int number) {
if (number == 0) return 0;
return intLog2(number, 0);
}
/**
* Get the next binary log of the given number.
*
* E.g. for an input 100, this returns 6.
* Throws runtimeException for all numbers <= 1.
*
* @param number The number to obtain the POT for.
* @param zeroCase What to return if the input number is zero.
* @return The next power of two. (0 -> zeroCase, 1 -> 0, 2 -> 1, 4 -> 2, 8 -> 3, 16 -> 4, etc.)
*/
public static int intLog2(int number, int zeroCase) { // zeroCase can't be null, for some reason...
if (number == 0) return zeroCase;
int log = 0;
if( ( number & 0xffff0000 ) != 0 ) { number >>>= 16; log = 16; }
if( number >= 256 ) { number >>>= 8; log += 8; }