jscicalc.ParseBase Class Reference

This class is designed to convert a string in base Base.BINARY, Base.OCTAL, Base.HEXADECIMAL into a jscicalc.complex.Complex. More...

List of all members.

Classes
class	Number
	Private inner class used by ParseBase. More...
Static Public Member Functions
static Complex	parseString (String s, Base b)
	This is the function that Parser actually uses.
static double	dparseString (String s, Base b)
	This is the function that Parser uses for doubles.
static void	main (String[] args)
Static Public Attributes
static final long	BIAS = 1023
	Standard constant for IEEE 754 doubles.
static final long	E_MAX = 1023
	Standard constant for IEEE 754 doubles.
static final long	E_MIN = -1022
	Standard constant for IEEE 754 doubles.
Static Private Member Functions
static long	getDigit (char c)
	String is composed from Numeral PObject objects.

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Detailed Description

This class is designed to convert a string in base Base.BINARY, Base.OCTAL, Base.HEXADECIMAL into a jscicalc.complex.Complex.

It also handles Base.DECIMAL by using a function in DOUBLE.

It was origainlly designed to convert a string in base Base.BINARY, Base.OCTAL, Base.HEXADECIMAL into a double. It also handles Base.DECIMAL by using a function in java.Math.BigDecimal. In fact it only needs to do this conversion because any number that we convert is a real or imaginary part, absolute value or argument.

When you enter an expression as a sequence of Numeral objects, Parser converts them to a string and then must convert the string to a double. This class does the conversion for Parser.

See also:

Parser

Author:

J. D. Lamb

Version:

Revision:

1.5

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Member Function Documentation

static double jscicalc.ParseBase.dparseString	(	String	s,
		Base	b
	)			[static]

This is the function that Parser uses for doubles.

Converts a string to a double in Base b.

Parameters:

	s	The string (a number composed from Numeral objects)
	b	The Base

Returns:

The number as a double

See also:

Parser

References jscicalc.ParseBase.BIAS, jscicalc.ParseBase.E_MAX, jscicalc.ParseBase.E_MIN, jscicalc.ParseBase.Number.exponent, jscicalc.ParseBase.Number.negative, and jscicalc.ParseBase.Number.significand.

Referenced by jscicalc.ParseBase.parseString().

static long jscicalc.ParseBase.getDigit

(

char

c

)

[static, private]

String is composed from Numeral PObject objects.

Each contains a char and eventually we need to extract the char from a string and convert it into the corresponding integer

Parameters:

c

a char representing a Numeral

Returns:

the corresponding integer

Referenced by jscicalc.ParseBase.Number.parseExponent(), and jscicalc.ParseBase.Number.parseSignificand().

static void jscicalc.ParseBase.main

(

String[]

args

)

[static]

References jscicalc.ParseBase.parseString(), and jscicalc.complex.Complex.real().

static Complex jscicalc.ParseBase.parseString	(	String	s,
		Base	b
	)			[static]

This is the function that Parser actually uses.

Converts a string to a double in Base b.

Parameters:

	s	The string (a number composed from Numeral objects)
	b	The Base

Returns:

The number as a double

See also:

Parser

References jscicalc.ParseBase.dparseString().

Referenced by jscicalc.ParseBase.main().

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Member Data Documentation

final long jscicalc.ParseBase.BIAS = 1023 [static]

Standard constant for IEEE 754 doubles.

Referenced by jscicalc.ParseBase.dparseString().

final long jscicalc.ParseBase.E_MAX = 1023 [static]

Standard constant for IEEE 754 doubles.

Referenced by jscicalc.ParseBase.dparseString().

final long jscicalc.ParseBase.E_MIN = -1022 [static]

Standard constant for IEEE 754 doubles.

Referenced by jscicalc.ParseBase.dparseString().

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The documentation for this class was generated from the following file:

• ParseBase.java