Package org.jscience.mathematics.number

Class Float64

java.lang.Object
java.lang.Number
org.jscience.mathematics.number.Number<Float64>
org.jscience.mathematics.number.Float64
All Implemented Interfaces:
Serializable, 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.

See Also:

  • Field Summary

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

  • Method Summary

    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(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(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

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

    • 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 Details

    • 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:

    • valueOf

      public static Float64 valueOf(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(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 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.