Class pmr.euclid.Real 
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Class pmr.euclid.Real 

java.lang.Object
   |
   +----pmr.euclid.Real
public class Real
extends Object
Real supports various utilities for real numbers. Use Double where you want a first-class Java object
Author:
(C) P. Murray-Rust, 1996

Constructor Index

o Real()

Method Index

o getEpsilon()
get current version of epsilon
o initArray(int, double[], double)
set an array to given value
o isEqual(double, double)
are two numbers equal within EPSILON
o isEqual(double, double, double)
are two numbers equal within epsilon
o isEqual(int, double[], double[])
are all members of an array equal within EPSILON?
o isZero(double)
is a number zero within EPSILON
o isZero(double, double)
is a number zero within epsilon
o printArray(double[])
print a double[]
o setEpsilon(double)
set current version of epsilon
o zeroArray(int, double[])
set an array to zero

Constructors

o Real 
  public Real()

Methods

o getEpsilon 
  public static double getEpsilon()
get current version of epsilon
o setEpsilon 
  public static void setEpsilon(double epsilon)
set current version of epsilon
o isEqual 
  public static boolean isEqual(double a,
                                double b)
are two numbers equal within EPSILON
o isZero 
  public static boolean isZero(double a)
is a number zero within EPSILON
o isEqual 
  public static boolean isEqual(int n,
                                double a[],
                                double b[])
are all members of an array equal within EPSILON?
o isEqual 
  public static boolean isEqual(double a,
                                double b,
                                double epsilon)
are two numbers equal within epsilon
o isZero 
  public static boolean isZero(double a,
                               double epsilon)
is a number zero within epsilon
o zeroArray 
  public static void zeroArray(int nelem,
                               double arr[])
set an array to zero
o initArray 
  public static void initArray(int nelem,
                               double arr[],
                               double f)
set an array to given value
o printArray 
  public static void printArray(double a[])
print a double[] 
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