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Class JSci.maths.MathDouble 

java.lang.Object
   |
   +----JSci.maths.MathDouble
public final class MathDouble
extends Object
implements FieldMember, Serializable
The MathDouble class encapsulates double numbers.

Constructor Index

o MathDouble(double)
Constructs a double number.
o MathDouble(String)
Constructs the double number represented by a string.

Method Index

o add(AbelianGroupMember)
Returns the addition of this number and another.
o add(MathDouble)
Returns the addition of this double number and another.
o divide(FieldMember)
Returns the division of this number and another.
o divide(MathDouble)
Returns the division of this double number and another.
o equals(Object)
Compares two double numbers for equality.
o inverse()
Returns the inverse of this number.
o isInfinite()
Returns true if this number is infinite.
o isNaN()
Returns true if this number is NaN.
o multiply(MathDouble)
Returns the multiplication of this double number and another.
o multiply(RingMember)
Returns the multiplication of this number and another.
o negate()
Returns the negative of this number.
o subtract(AbelianGroupMember)
Returns the subtraction of this number and another.
o subtract(MathDouble)
Returns the subtraction of this double number and another.
o toString()
Returns a string representing the value of this double number.
o value()
Returns the double value.

Constructors

o MathDouble 
 public MathDouble(double num)
Constructs a double number.

o MathDouble 
 public MathDouble(String s) throws NumberFormatException
Constructs the double number represented by a string.

Parameters:
s - a string representing a double number
Throws: NumberFormatException
if the string does not contain a parsable number.

Methods

o equals 
 public boolean equals(Object obj)
Compares two double numbers for equality.

Parameters:
obj - a double number
Overrides:
equals in class Object
o toString 
 public String toString()
Returns a string representing the value of this double number.

Overrides:
toString in class Object
o value 
 public double value()
Returns the double value.

o isNaN 
 public boolean isNaN()
Returns true if this number is NaN.

o isInfinite 
 public boolean isInfinite()
Returns true if this number is infinite.

o negate 
 public AbelianGroupMember negate()
Returns the negative of this number.

o inverse 
 public FieldMember inverse()
Returns the inverse of this number.

o add 
 public AbelianGroupMember add(AbelianGroupMember n)
Returns the addition of this number and another.

o add 
 public MathDouble add(MathDouble n)
Returns the addition of this double number and another.

o subtract 
 public AbelianGroupMember subtract(AbelianGroupMember n)
Returns the subtraction of this number and another.

o subtract 
 public MathDouble subtract(MathDouble n)
Returns the subtraction of this double number and another.

o multiply 
 public RingMember multiply(RingMember n)
Returns the multiplication of this number and another.

o multiply 
 public MathDouble multiply(MathDouble n)
Returns the multiplication of this double number and another.

o divide 
 public FieldMember divide(FieldMember n)
Returns the division of this number and another.

o divide 
 public MathDouble divide(MathDouble n)
Returns the division of this double number and another. 

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