All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Comparable

public class DFloNum
extends RealNum
implements java.io.Externalizable

See Also:

Serialized Form

• Field Summary

  • Fields inherited from class gnu.math.Numeric

    CEILING, FLOOR, NONNEG_MOD, ROUND, TRUNCATE

• Constructor Summary

  Constructors

  Constructor and Description
  DFloNum ()
  DFloNum (double value)
  DFloNum (java.lang.String s)

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  Numeric	add (java.lang.Object y, int k) Return this + k * obj.
  Numeric	addReversed (Numeric x, int k) Calculate x+k&this.
  static DFloNum	asDFloNumOrNull (java.lang.Object value)
  static int	compare (double x, double y)
  static int	compare (IntNum x_num, IntNum x_den, double y) Compare (x_num/x_den) with toExact(y).
  int	compare (java.lang.Object obj) Return an integer for which of this or obj is larger.
  int	compareReversed (Numeric x)
  Numeric	div (java.lang.Object y)
  Numeric	divReversed (Numeric x)
  double	doubleValue () The value of the real component, as a double.
  boolean	equals (java.lang.Object obj)
  int	hashCode ()
  boolean	isExact ()
  boolean	isNegative ()
  boolean	isZero ()
  long	longValue ()
  static DFloNum	make (double value) Deprecated.
  Numeric	mul (java.lang.Object y)
  Numeric	mulReversed (Numeric x)
  Numeric	neg ()
  static DFloNum	one ()
  Numeric	power (IntNum y) Return this raised to an integer power.
  void	readExternal (java.io.ObjectInput in)
  int	sign () Return 1 if >0; 0 if ==0; -1 if <0; -2 if NaN.
  static RatNum	toExact (double value) Converts to the closest exact rational value.
  java.lang.String	toString ()
  static java.lang.String	toString (double value)
  java.lang.String	toString (int radix)
  static DFloNum	valueOf (double value)
  void	writeExternal (java.io.ObjectOutput out)
  static DFloNum	zero ()

  • Methods inherited from class gnu.math.RealNum

    abs, add, angle, asBigDecimal, asRealNumOrNull, classifyFinite, compareTo, conjugate, cos, divide, exp, im, isReal, log, max, min, re, rneg, sin, sqrt, tan, times, toExact, toExactInt, toExactInt, toExactInt, toInexact, toInt, toInt, toScaledInt, toScaledInt, toScaledInt, toStringDecimal, toStringScientific, toStringScientific, toStringScientific, toStringScientific, unitQuaternion, unitVector, vectorPart

  • Methods inherited from class gnu.math.Complex

    add, colatitude, compare, complexPart, divide, equals, imMinusOne, imOne, jm, km, longitude, make, make, neg, polar, polar, power, times

  • Methods inherited from class gnu.math.Quaternion

    add, compare, divide, doubleImagValue, doubleJmagValue, doubleKmagValue, doubleRealValue, equals, jmMinusOne, jmOne, kmMinusOne, kmOne, make, make, neg, number, polar, polar, power, times

  • Methods inherited from class gnu.math.Quantity

    add, compare, dimensions, divide, imValue, jmValue, kmValue, make, make, make, reValue, times, unit

  • Methods inherited from class gnu.math.Numeric

    add, asNumericOrNull, div_inv, floatValue, geq, grt, intValue, mul_ident, sub

  • Methods inherited from class java.lang.Number

    byteValue, shortValue

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • DFloNum

    public DFloNum()

  • DFloNum

    public DFloNum(double value)

  • DFloNum

    public DFloNum(java.lang.String s)
     throws java.lang.NumberFormatException

    Throws:

    java.lang.NumberFormatException

• Method Detail

  • make

    @Deprecated
    public static DFloNum make(double value)

    Deprecated.

  • valueOf

    public static DFloNum valueOf(double value)

  • zero

    public static DFloNum zero()

  • asDFloNumOrNull

    public static DFloNum asDFloNumOrNull(java.lang.Object value)

  • doubleValue

    public final double doubleValue()

    Description copied from class: Quantity
    The value of the real component, as a double. This is relative to the unit().dims - i.e. unit()/doubleValue() is factored in.

    Overrides:

    doubleValue in class Quaternion

  • longValue

    public long longValue()

    Overrides:

    longValue in class Quaternion

  • hashCode

    public int hashCode()

    Overrides:

    hashCode in class java.lang.Object

  • equals

    public boolean equals(java.lang.Object obj)

    Overrides:

    equals in class Complex

  • add

    public Numeric add(java.lang.Object y,
     int k)

    Description copied from class: Numeric
    Return this + k * obj.

    Specified by:

    add in class RealNum

  • addReversed

    public Numeric addReversed(Numeric x,
     int k)

    Description copied from class: Numeric
    Calculate x+k&this.

    Overrides:

    addReversed in class Complex

  • mul

    public Numeric mul(java.lang.Object y)

    Specified by:

    mul in class RealNum

  • mulReversed

    public Numeric mulReversed(Numeric x)

    Overrides:

    mulReversed in class Complex

  • one

    public static final DFloNum one()

  • div

    public Numeric div(java.lang.Object y)

    Specified by:

    div in class RealNum

  • divReversed

    public Numeric divReversed(Numeric x)

    Overrides:

    divReversed in class Complex

  • power

    public Numeric power(IntNum y)

    Description copied from class: Numeric
    Return this raised to an integer power. Implemented by repeated squaring and multiplication. If y < 0, returns div_inv of the result.

    Overrides:

    power in class Numeric

  • isNegative

    public boolean isNegative()

    Specified by:

    isNegative in class RealNum

  • neg

    public Numeric neg()

    Overrides:

    neg in class Complex

  • sign

    public int sign()

    Description copied from class: RealNum
    Return 1 if >0; 0 if ==0; -1 if <0; -2 if NaN.

    Specified by:

    sign in class RealNum

  • compare

    public static int compare(double x,
     double y)

  • compare

    public static int compare(IntNum x_num,
     IntNum x_den,
     double y)

    Compare (x_num/x_den) with toExact(y).

  • compare

    public int compare(java.lang.Object obj)

    Description copied from class: Numeric
    Return an integer for which of this or obj is larger. Return 1 if this>obj; 0 if this==obj; -1 if this<obj; -2 if this!=obj otherwise (for example if either is NaN); -3 if not comparable (incompatible types).

    Overrides:

    compare in class Complex

  • compareReversed

    public int compareReversed(Numeric x)

    Overrides:

    compareReversed in class Quantity

  • isExact

    public boolean isExact()

    Overrides:

    isExact in class Complex

  • isZero

    public boolean isZero()

    Overrides:

    isZero in class RealNum

  • toExact

    public static RatNum toExact(double value)

    Converts to the closest exact rational value.

  • toString

    public java.lang.String toString()

    Overrides:

    toString in class Numeric

  • toString

    public static java.lang.String toString(double value)

  • toString

    public java.lang.String toString(int radix)

    Overrides:

    toString in class Complex

  • writeExternal

    public void writeExternal(java.io.ObjectOutput out)
     throws java.io.IOException

    Specified by:

    writeExternal in interface java.io.Externalizable

    Throws:

    java.io.IOException

  • readExternal

    public void readExternal(java.io.ObjectInput in)
     throws java.io.IOException,
     java.lang.ClassNotFoundException

    Specified by:

    readExternal in interface java.io.Externalizable

    Throws:

    java.io.IOException

    java.lang.ClassNotFoundException