Package com.plotsquared.core.util

Class MathMan

java.lang.Object
com.plotsquared.core.util.MathMan
public class MathMan extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    MathMan()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static float
    atan2​(float y, float x)
     
    static int
    average​(int a, int b)
     
    static int
    floorMod​(int x, int y)
     
    static int
    gcd​(int[] a)
     
    static int
    gcd​(int a, int b)
     
    static float[]
    getDirection​(float yaw, float pitch)
    get the x,y,z unit vector from pitch and yaw specified
    static double
    getMean​(double[] array)
     
    static double
    getMean​(int[] array)
     
    static float[]
    getPitchAndYaw​(float x, float y, float z)
    Returns [ pitch, yaw ]
    static int
    getPositiveId​(int i)
     
    static double
    getSD​(double[] array, double av)
     
    static double
    getSD​(int[] array, double av)
     
    static long
    inverseRound​(double val)
     
    static float
    invSqrt​(float x)
     
    static boolean
    isInteger​(String str)
     
    static boolean
    isPowerOfTwo​(int number)
     
    static int
    mod​(int x, int y)
     
    static int
    pair​(short x, short y)
     
    static byte
    pair16​(byte x, byte y)
     
    static long
    pairInt​(int x, int y)
     
    static int
    roundInt​(double value)
     
    static int
    sqrt​(int x)
     
    static double
    sqrtApprox​(double d)
     
    static float
    sqrtApprox​(float f)
     
    static byte
    unpair16x​(byte value)
     
    static byte
    unpair16y​(byte value)
     
    static int
    unpairIntX​(long pair)
     
    static int
    unpairIntY​(long pair)
     
    static short
    unpairX​(int hash)
     
    static short
    unpairY​(int hash)
     
    static int
    unsignedmod​(int x, int y)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • MathMan

      public MathMan()

  • Method Details

    • gcd

      public static final int gcd​(int a, int b)

    • gcd

      public static final int gcd​(int[] a)

    • pairInt

      public static long pairInt​(int x, int y)

    • unpairIntX

      public static int unpairIntX​(long pair)

    • unpairIntY

      public static int unpairIntY​(long pair)

    • pair16

      public static byte pair16​(byte x, byte y)

    • unpair16x

      public static byte unpair16x​(byte value)

    • unpair16y

      public static byte unpair16y​(byte value)

    • inverseRound

      public static long inverseRound​(double val)

    • sqrt

      public static int sqrt​(int x)

    • getMean

      public static double getMean​(int[] array)

    • getMean

      public static double getMean​(double[] array)

    • pair

      public static int pair​(short x, short y)

    • average

      public static final int average​(int a, int b)

    • unpairX

      public static short unpairX​(int hash)

    • unpairY

      public static short unpairY​(int hash)

    • getDirection

      public static float[] getDirection​(float yaw, float pitch)
      get the x,y,z unit vector from pitch and yaw specified
      Parameters:
      yaw - yaw
      pitch - pitch
      Returns:
      x, y, z unit vector

    • floorMod

      public static int floorMod​(int x, int y)

    • roundInt

      public static int roundInt​(double value)

    • getPitchAndYaw

      public static float[] getPitchAndYaw​(float x, float y, float z)
      Returns [ pitch, yaw ]
      Parameters:
      x - x
      y - y
      z - z
      Returns:
      pitch and yaw of x,y,z from 0,0,0

    • atan2

      public static final float atan2​(float y, float x)

    • sqrtApprox

      public static float sqrtApprox​(float f)

    • sqrtApprox

      public static double sqrtApprox​(double d)

    • invSqrt

      public static float invSqrt​(float x)

    • getPositiveId

      public static int getPositiveId​(int i)

    • isInteger

      public static boolean isInteger​(String str)

    • getSD

      public static double getSD​(double[] array, double av)

    • getSD

      public static double getSD​(int[] array, double av)

    • mod

      public static int mod​(int x, int y)

    • unsignedmod

      public static int unsignedmod​(int x, int y)

    • isPowerOfTwo

      public static boolean isPowerOfTwo​(int number)