java.lang.Object
- java.lang.Number
- - org.jscience.mathematics.number.Number<Float64>
  - - org.jscience.mathematics.number.Float64

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Float64>, javolution.lang.Immutable, javolution.lang.Realtime, javolution.lang.ValueType, javolution.xml.XMLSerializable, Field<Float64>, GroupAdditive<Float64>, GroupMultiplicative<Float64>, Ring<Float64>, Structure<Float64>
```
public final class Float64
extends Number<Float64>
implements Field<Float64>
```
This class represents a 64 bits floating point number.

Version:

3.0, February 13, 2006

Author:

Jean-Marie Dautelle

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static Float64 ONE
The 64 bits floating point representing one.

static Float64 ZERO
The 64 bits floating point representing zero.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Float64`	`abs()`	Returns the absolute value of this number.
`int`	`compareTo(double value)`	Compares this number with the specified value for order.
`int`	`compareTo(Float64 that)`	Compares this number with the specified number for order.
`Float64`	`copy()`	Returns a copy of this number `allocated` by the calling thread (possibly on the stack).
`Float64`	`divide(double value)`	Returns this number divided by the specified value.
`Float64`	`divide(Float64 that)`	Returns this number divided by the one specified.
`double`	`doubleValue()`	Returns the value of this number as a `double`.
`boolean`	`equals(double value)`	Indicates if this number is equal to the specified value.
`boolean`	`equals(java.lang.Object that)`	Compares this number against the specified object.
`Float64`	`exp()`	Returns the exponential number e raised to the power of this number.
`int`	`hashCode()`	Returns the hash code for this number.
`Float64`	`inverse()`	Returns the reciprocal of this number.
`boolean`	`isInfinite()`	Indicates if this number is infinite.
`boolean`	`isLargerThan(Float64 that)`	Compares the absolute value of this number with that number.
`boolean`	`isNaN()`	Indicates if this number is not a number.
`Float64`	`log()`	Returns the natural logarithm (base e) of this number.
`long`	`longValue()`	Returns the value of this number as a `long`.
`Float64`	`minus(double value)`	Returns the difference between this number and the specified value.
`Float64`	`minus(Float64 that)`	Returns the difference between this number and the one specified.
`Float64`	`opposite()`	Returns the opposite of this number.
`Float64`	`plus(double value)`	Returns the sum of this number with the specified value.
`Float64`	`plus(Float64 that)`	Returns the sum of this number with the one specified.
`Float64`	`pow(double e)`	Returns this number raised to the specified power.
`Float64`	`pow(Float64 that)`	Returns this number raised to the power of the specified exponent.
`long`	`round()`	Returns the closest integer value to this 64 bits floating point number.
`Float64`	`sqrt()`	Returns the positive square root of this number.
`Float64`	`times(double value)`	Returns the product of this number with the specified value.
`Float64`	`times(Float64 that)`	Returns the product of this number with the one specified.
`javolution.text.Text`	`toText()`	Returns the decimal text representation of this number.
`static Float64`	`valueOf(double doubleValue)`	Returns the 64 bits float from the specified `double` value.
`static Float64`	`valueOf(java.lang.CharSequence chars)`	Returns the number for the specified character sequence.

Methods inherited from class org.jscience.mathematics.number.Number
byteValue, floatValue, intValue, isGreaterThan, isLessThan, pow, shortValue, toString

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - ZERO
```
public static final Float64 ZERO
```
    The 64 bits floating point representing zero.
  - ONE
```
public static final Float64 ONE
```
    The 64 bits floating point representing one.
- Method Detail
  - valueOf
```
public static Float64 valueOf(double doubleValue)
```
    Returns the 64 bits float from the specified double value.
    
    Parameters:
    
    doubleValue - the double value for this number.
    
    Returns:
    
    the corresponding number.
    
    See Also:
    
    doubleValue()
  - valueOf
```
public static Float64 valueOf(java.lang.CharSequence chars)
```
    Returns the number for the specified character sequence.
    
    Parameters:
    
    chars - the character sequence.
    
    Returns:
    
    the corresponding number.
  - isInfinite
```
public boolean isInfinite()
```
    Indicates if this number is infinite.
    
    Returns:
    
    true if this number is infinite; false otherwise.
  - isNaN
```
public boolean isNaN()
```
    Indicates if this number is not a number.
    
    Returns:
    
    true if this number is NaN; false otherwise.
  - round
```
public long round()
```
    Returns the closest integer value to this 64 bits floating point number.
    
    Returns:
    
    this number rounded to the nearest integer.
  - opposite
```
public Float64 opposite()
```
    Returns the opposite of this number.
    
    Specified by:
    
    opposite in interface GroupAdditive<Float64>
    
    Returns:
    
    -this.
  - plus
```
public Float64 plus(Float64 that)
```
    Returns the sum of this number with the one specified.
    
    Specified by:
    
    plus in interface GroupAdditive<Float64>
    
    Parameters:
    
    that - the number to be added.
    
    Returns:
    
    this + that.
  - plus
```
public Float64 plus(double value)
```
    Returns the sum of this number with the specified value.
    
    Parameters:
    
    value - the value to be added.
    
    Returns:
    
    this + value.
  - minus
```
public Float64 minus(Float64 that)
```
    Returns the difference between this number and the one specified.
    
    Overrides:
    
    minus in class Number<Float64>
    
    Parameters:
    
    that - the number to be subtracted.
    
    Returns:
    
    this - that.
  - minus
```
public Float64 minus(double value)
```
    Returns the difference between this number and the specified value.
    
    Parameters:
    
    value - the value to be subtracted.
    
    Returns:
    
    this - value.
  - times
```
public Float64 times(Float64 that)
```
    Returns the product of this number with the one specified.
    
    Specified by:
    
    times in interface GroupMultiplicative<Float64>
    
    Specified by:
    
    times in interface Ring<Float64>
    
    Parameters:
    
    that - the number multiplier.
    
    Returns:
    
    this · that.
  - times
```
public Float64 times(double value)
```
    Returns the product of this number with the specified value.
    
    Parameters:
    
    value - the value multiplier.
    
    Returns:
    
    this · value.
  - inverse
```
public Float64 inverse()
```
    Returns the reciprocal of this number.
    
    Specified by:
    
    inverse in interface GroupMultiplicative<Float64>
    
    Returns:
    
    1 / this.
  - divide
```
public Float64 divide(Float64 that)
```
    Returns this number divided by the one specified.
    
    Parameters:
    
    that - the number divisor.
    
    Returns:
    
    this / that.
  - divide
```
public Float64 divide(double value)
```
    Returns this number divided by the specified value.
    
    Parameters:
    
    value - the value divisor.
    
    Returns:
    
    this / value.
  - isLargerThan
```
public boolean isLargerThan(Float64 that)
```
    Compares the absolute value of this number with that number.
    
    Specified by:
    
    isLargerThan in class Number<Float64>
    
    Parameters:
    
    that - the number to compare with.
    
    Returns:
    
    |this| > |that|
  - abs
```
public Float64 abs()
```
    Returns the absolute value of this number.
    
    Returns:
    
    |this|.
  - sqrt
```
public Float64 sqrt()
```
    Returns the positive square root of this number.
    
    Returns:
    
    sqrt(this).
  - exp
```
public Float64 exp()
```
    Returns the exponential number e raised to the power of this number.
    
    Returns:
    
    exp(this).
  - log
```
public Float64 log()
```
    Returns the natural logarithm (base e) of this number.
    
    Returns:
    
    log(this).
  - pow
```
public Float64 pow(Float64 that)
```
    Returns this number raised to the power of the specified exponent.
    
    Parameters:
    
    that - the exponent.
    
    Returns:
    
    this**that.
  - pow
```
public Float64 pow(double e)
```
    Returns this number raised to the specified power.
    
    Parameters:
    
    e - the exponent.
    
    Returns:
    
    this**e.
  - toText
```
public javolution.text.Text toText()
```
    Returns the decimal text representation of this number.
    
    Specified by:
    
    toText in interface javolution.lang.Realtime
    
    Specified by:
    
    toText in class Number<Float64>
    
    Returns:
    
    the text representation of this number.
  - equals
```
public boolean equals(java.lang.Object that)
```
    Compares this number against the specified object.
    
    Specified by:
    
    equals in class Number<Float64>
    
    Parameters:
    
    that - the object to compare with.
    
    Returns:
    
    true if the objects are the same; false otherwise.
  - equals
```
public boolean equals(double value)
```
    Indicates if this number is equal to the specified value.
    
    Parameters:
    
    value - the value to compare with.
    
    Returns:
    
    this.doubleValue() == value.
  - compareTo
```
public int compareTo(double value)
```
    Compares this number with the specified value for order.
    
    Parameters:
    
    value - the value to be compared with.
    
    Returns:
    
    a negative integer, zero, or a positive integer as this number is less than, equal to, or greater than the specified value.
  - hashCode
```
public int hashCode()
```
    Returns the hash code for this number.
    
    Specified by:
    
    hashCode in class Number<Float64>
    
    Returns:
    
    the hash code value.
  - longValue
```
public long longValue()
```
    Description copied from class: Number
    
    Returns the value of this number as a long.
    
    Specified by:
    
    longValue in class Number<Float64>
    
    Returns:
    
    the numeric value represented by this object after conversion to type long.
  - doubleValue
```
public double doubleValue()
```
    Description copied from class: Number
    
    Returns the value of this number as a double.
    
    Specified by:
    
    doubleValue in class Number<Float64>
    
    Returns:
    
    the numeric value represented by this object after conversion to type double.
  - compareTo
```
public int compareTo(Float64 that)
```
    Description copied from class: Number
    
    Compares this number with the specified number for order. Returns a negative integer, zero, or a positive integer as this number is less than, equal to, or greater than the specified number. Implementation must ensure that this method is consistent with equals (x.compareTo(y)==0) == (x.equals(y)),
    
    Specified by:
    
    compareTo in interface java.lang.Comparable<Float64>
    
    Specified by:
    
    compareTo in class Number<Float64>
    
    Parameters:
    
    that - the number to be compared.
    
    Returns:
    
    a negative integer, zero, or a positive integer as this number is less than, equal to, or greater than the specified number.
  - copy
```
public Float64 copy()
```
    Description copied from class: Number
    
    Returns a copy of this number allocated by the calling thread (possibly on the stack).
    
    Specified by:
    
    copy in interface javolution.lang.ValueType
    
    Specified by:
    
    copy in class Number<Float64>
    
    Returns:
    
    an identical and independant copy of this number.

Modifier and Type	Field	Description
`static Float64`	`ONE`	The 64 bits floating point representing one.
`static Float64`	`ZERO`	The 64 bits floating point representing zero.

Class Float64

Field Summary

Method Summary

Methods inherited from class org.jscience.mathematics.number.Number

Methods inherited from class java.lang.Object

Field Detail

ZERO

ONE

Method Detail

valueOf

valueOf

isInfinite

isNaN

round

opposite

plus

plus

minus

minus

times

times

inverse

divide

divide

isLargerThan

abs

sqrt

exp

log

pow

pow

toText

equals

equals

compareTo

hashCode

longValue

doubleValue

compareTo

copy