calc
Class DoCalc

java.lang.Object
  |
  +--calc.DoCalc

public class DoCalc

extends java.lang.Object

This class takes a string representing an arithmetic expression, a pair of ranges and performs the calculations for a twodimensional grid of elements in this range by feeding the operational tree (produced by ExprParser) with the apropriate values

See Also:

ExprParser

Field Summary

static int

DEFAULT_STEPS

Constructor Summary

DoCalc(java.lang.String expr)
preparses the string, handles it to ExprParser, stores the operational tree and keeps record of the Modules representing the variable z for later insertion (i.e fills variableCalc with elements of Type VariableCalc

Method Summary

void	calculate() iterates over the grid and produces the results, storing them for retrieval with getValues()
Complex	calculateFor(Complex z) calculates a result for a certain number
Complex[][]	getValues() get the Grid of Values for this Calculation
static void	main(java.lang.String[] args) called by user
void	setRange(double[] realRange, double[] imagRange) set the range of the grid to be calculated (default is (-10,10) in each direction)
void	setSteps(int steps) set the number of steps in the grid (default is 30, so 30x30 values are calculated)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_STEPS

public static final int DEFAULT_STEPS

Constructor Detail

DoCalc

public DoCalc(java.lang.String expr)

preparses the string, handles it to ExprParser, stores the operational tree and keeps record of the Modules representing the variable z for later insertion (i.e fills variableCalc with elements of Type VariableCalc

Method Detail

setRange

public void setRange(double[] realRange,
                     double[] imagRange)

set the range of the grid to be calculated (default is (-10,10) in each direction)

setSteps

public void setSteps(int steps)

set the number of steps in the grid (default is 30, so 30x30 values are calculated)

getValues

public Complex[][] getValues()

get the Grid of Values for this Calculation

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

calculateFor

public Complex calculateFor(Complex z)

calculates a result for a certain number

calculate

public void calculate()

iterates over the grid and produces the results, storing them for retrieval with getValues()

main

public static void main(java.lang.String[] args)

called by user