Java Doc for MathUtil.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » jj2000 » j2k » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » jj2000.j2k.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    jj2000.j2k.util.MathUtil MathUtil public class MathUtil (Code) This class contains a collection of utility methods fro mathematical operations. All methods are static. Method Summary final public static  int gcd(int x1, int x2)      Method that calculates the Greatest Common Divisor (GCD) of two positive integer numbers. final public static  int gcd(int[] x)      Method that calculates the Greatest Common Divisor (GCD) of several positive integer numbers. final public static  int lcm(int x1, int x2)      Method that calculates the Least Common Multiple (LCM) of two strictly positive integer numbers. final public static  int lcm(int[] x)      Method that calculates the Least Common Multiple (LCM) of several positive integer numbers. public static  int log2(int x)      Method that calculates the floor of the log, base 2, of 'x'. Method Detail gcd final public static int gcd(int x1, int x2)(Code) Method that calculates the Greatest Common Divisor (GCD) of two positive integer numbers. gcd final public static int gcd(int[] x)(Code) Method that calculates the Greatest Common Divisor (GCD) of several positive integer numbers. Parameters:   x - Array containing the numbers. lcm final public static int lcm(int x1, int x2)(Code) Method that calculates the Least Common Multiple (LCM) of two strictly positive integer numbers. Parameters:   x1 - First number Parameters:   x2 - Second number lcm final public static int lcm(int[] x)(Code) Method that calculates the Least Common Multiple (LCM) of several positive integer numbers. Parameters:   x - Array containing the numbers. log2 public static int log2(int x)(Code) Method that calculates the floor of the log, base 2, of 'x'. The calculation is performed in integer arithmetic, therefore, it is exact. Parameters:   x - The value to calculate log2 on. floor(log(x)/log(2)), calculated in an exact way. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)