Uses of Class
org.apache.commons.math.dfp.Dfp

Packages that use Dfp
Package
Description
org.apache.commons.math.dfp
Decimal floating point library for Java

  • Uses of Dfp in org.apache.commons.math.dfp

    Subclasses of Dfp in org.apache.commons.math.dfp
    Modifier and Type
    Class
    Description
    class 
    DfpDec
    Subclass of Dfp which hides the radix-10000 artifacts of the superclass.
    Methods in org.apache.commons.math.dfp that return Dfp
    Modifier and Type
    Method
    Description
    static Dfp
    DfpMath.acos(Dfp a)
    computes the arc-cosine of the argument.
    Dfp
    Dfp.add(Dfp x)
    Add x to this.
    static Dfp
    DfpMath.asin(Dfp a)
    computes the arc-sine of the argument.
    static Dfp
    DfpMath.atan(Dfp a)
    computes the arc tangent of the argument Uses the typical taylor series but may reduce arguments using the following identity tan(x+y) = (tan(x) + tan(y)) / (1 - tan(x)*tan(y)) since tan(PI/8) = sqrt(2)-1, atan(x) = atan( (x - sqrt(2) + 1) / (1+x*sqrt(2) - x) + PI/8.0
    protected static Dfp
    DfpMath.atanInternal(Dfp a)
    computes the arc-tangent of the argument.
    Dfp
    Dfp.ceil()
    Round to an integer using the round ceil mode.
    static Dfp
    DfpField.computeExp(Dfp a, Dfp one)
    Compute exp(a).
    static Dfp
    DfpField.computeLn(Dfp a, Dfp one, Dfp two)
    Compute ln(a).
    static Dfp
    Dfp.copysign(Dfp x, Dfp y)
    Creates an instance that is the same as x except that it has the sign of y.
    static Dfp
    DfpMath.cos(Dfp a)
    computes the cosine of the argument.
    protected static Dfp
    DfpMath.cosInternal(Dfp[] a)
    Computes cos(a) Used when 0 invalid input: '<' a invalid input: '<' pi/4.
    Dfp
    Dfp.divide(int divisor)
    Divide by a single digit less than radix.
    Dfp
    Dfp.divide(Dfp divisor)
    Divide this by divisor.
    Dfp
    Dfp.dotrap(int type, String what, Dfp oper, Dfp result)
    Raises a trap.
    static Dfp
    DfpMath.exp(Dfp a)
    Computes e to the given power.
    protected static Dfp
    DfpMath.expInternal(Dfp a)
    Computes e to the given power.
    Dfp
    Dfp.floor()
    Round to an integer using the round floor mode.
    Dfp
    DfpField.getE()
    Get the constant e.
    Dfp[]
    DfpField.getESplit()
    Get the constant e split in two pieces.
    Dfp
    DfpField.getLn10()
    Get the constant ln(10).
    Dfp
    DfpField.getLn2()
    Get the constant ln(2).
    Dfp[]
    DfpField.getLn2Split()
    Get the constant ln(2) split in two pieces.
    Dfp
    DfpField.getLn5()
    Get the constant ln(5).
    Dfp[]
    DfpField.getLn5Split()
    Get the constant ln(5) split in two pieces.
    Dfp
    Dfp.getOne()
    Get the constant 1.
    Dfp
    DfpField.getOne()
    Get the constant 1.
    Dfp
    DfpField.getPi()
    Get the constant π.
    Dfp[]
    DfpField.getPiSplit()
    Get the constant π split in two pieces.
    Dfp
    DfpField.getSqr2()
    Get the constant √2.
    Dfp
    DfpField.getSqr2Reciprocal()
    Get the constant √2 / 2.
    Dfp[]
    DfpField.getSqr2Split()
    Get the constant √2 split in two pieces.
    Dfp
    DfpField.getSqr3()
    Get the constant √3.
    Dfp
    DfpField.getSqr3Reciprocal()
    Get the constant √3 / 3.
    Dfp
    Dfp.getTwo()
    Get the constant 2.
    Dfp
    DfpField.getTwo()
    Get the constant 2.
    Dfp
    Dfp.getZero()
    Get the constant 0.
    Dfp
    DfpField.getZero()
    Get the constant 0.
    static Dfp
    DfpMath.log(Dfp a)
    Returns the natural logarithm of a.
    protected static Dfp[]
    DfpMath.logInternal(Dfp[] a)
    Computes the natural log of a number between 0 and 2.
    Dfp
    Dfp.multiply(int x)
    Multiply this by a single digit 0<=x<radix.
    Dfp
    Dfp.multiply(Dfp x)
    Multiply this by x.
    Dfp
    Dfp.negate()
    Returns a number that is this number with the sign bit reversed.
    Dfp
    DfpField.newDfp()
    Makes a Dfp with a value of 0.
    Dfp
    DfpField.newDfp(byte x)
    Create an instance from a byte value.
    Dfp
    DfpField.newDfp(byte sign, byte nans)
    Creates a Dfp with a non-finite value.
    Dfp
    DfpField.newDfp(double x)
    Create an instance from a double value.
    Dfp
    DfpField.newDfp(int x)
    Create an instance from an int value.
    Dfp
    DfpField.newDfp(long x)
    Create an instance from a long value.
    Dfp
    DfpField.newDfp(String s)
    Create a Dfp given a String representation.
    Dfp
    DfpField.newDfp(Dfp d)
    Copy constructor.
    Dfp
    Dfp.newInstance()
    Create an instance with a value of 0.
    Dfp
    Dfp.newInstance(byte x)
    Create an instance from a byte value.
    Dfp
    Dfp.newInstance(byte sig, byte code)
    Creates an instance with a non-finite value.
    Dfp
    Dfp.newInstance(double x)
    Create an instance from a double value.
    Dfp
    Dfp.newInstance(int x)
    Create an instance from an int value.
    Dfp
    Dfp.newInstance(long x)
    Create an instance from a long value.
    Dfp
    Dfp.newInstance(String s)
    Create an instance from a String representation.
    Dfp
    Dfp.newInstance(Dfp d)
    Create an instance by copying an existing one.
    Dfp
    DfpDec.newInstance()
    Create an instance with a value of 0.
    Dfp
    DfpDec.newInstance(byte x)
    Create an instance from a byte value.
    Dfp
    DfpDec.newInstance(byte sign, byte nans)
    Creates an instance with a non-finite value.
    Dfp
    DfpDec.newInstance(double x)
    Create an instance from a double value.
    Dfp
    DfpDec.newInstance(int x)
    Create an instance from an int value.
    Dfp
    DfpDec.newInstance(long x)
    Create an instance from a long value.
    Dfp
    DfpDec.newInstance(String s)
    Create an instance from a String representation.
    Dfp
    DfpDec.newInstance(Dfp d)
    Create an instance by copying an existing one.
    Dfp
    Dfp.nextAfter(Dfp x)
    Returns the next number greater than this one in the direction of x.
    Dfp
    DfpDec.nextAfter(Dfp x)
    Returns the next number greater than this one in the direction of x.
    static Dfp
    DfpMath.pow(Dfp base, int a)
    Raises base to the power a by successive squaring.
    static Dfp
    DfpMath.pow(Dfp x, Dfp y)
    Computes x to the y power.
    Dfp
    Dfp.power10(int e)
    Return the specified power of 10.
    Dfp
    Dfp.power10K(int e)
    Get the specified power of 10000.
    Dfp
    Dfp.remainder(Dfp d)
    Returns the IEEE remainder.
    Dfp
    Dfp.rint()
    Round to nearest integer using the round-half-even method.
    static Dfp
    DfpMath.sin(Dfp a)
    computes the sine of the argument.
    protected static Dfp
    DfpMath.sinInternal(Dfp[] a)
    Computes sin(a) Used when 0 invalid input: '<' a invalid input: '<' pi/4.
    protected static Dfp[]
    DfpMath.split(Dfp a)
    Splits a Dfp into 2 Dfp's such that their sum is equal to the input Dfp.
    protected static Dfp[]
    DfpMath.split(DfpField field, String a)
    Breaks a string representation up into two dfp's.
    protected static Dfp[]
    DfpMath.splitDiv(Dfp[] a, Dfp[] b)
    Divide two numbers that are split in to two pieces that are meant to be added together.
    protected static Dfp[]
    DfpMath.splitMult(Dfp[] a, Dfp[] b)
    Multiply two numbers that are split in to two pieces that are meant to be added together.
    protected static Dfp
    DfpMath.splitPow(Dfp[] base, int a)
    Raise a split base to the a power.
    Dfp
    Dfp.sqrt()
    Compute the square root.
    Dfp
    Dfp.subtract(Dfp x)
    Subtract x from this.
    static Dfp
    DfpMath.tan(Dfp a)
    computes the tangent of the argument.
    protected Dfp
    Dfp.trap(int type, String what, Dfp oper, Dfp def, Dfp result)
    Trap handler.
    protected Dfp
    Dfp.trunc(DfpField.RoundingMode rmode)
    Does the integer conversions with the specified rounding.
    Methods in org.apache.commons.math.dfp with parameters of type Dfp
    Modifier and Type
    Method
    Description
    static Dfp
    DfpMath.acos(Dfp a)
    computes the arc-cosine of the argument.
    Dfp
    Dfp.add(Dfp x)
    Add x to this.
    static Dfp
    DfpMath.asin(Dfp a)
    computes the arc-sine of the argument.
    static Dfp
    DfpMath.atan(Dfp a)
    computes the arc tangent of the argument Uses the typical taylor series but may reduce arguments using the following identity tan(x+y) = (tan(x) + tan(y)) / (1 - tan(x)*tan(y)) since tan(PI/8) = sqrt(2)-1, atan(x) = atan( (x - sqrt(2) + 1) / (1+x*sqrt(2) - x) + PI/8.0
    protected static Dfp
    DfpMath.atanInternal(Dfp a)
    computes the arc-tangent of the argument.
    static Dfp
    DfpField.computeExp(Dfp a, Dfp one)
    Compute exp(a).
    static Dfp
    DfpField.computeLn(Dfp a, Dfp one, Dfp two)
    Compute ln(a).
    static Dfp
    Dfp.copysign(Dfp x, Dfp y)
    Creates an instance that is the same as x except that it has the sign of y.
    static Dfp
    DfpMath.cos(Dfp a)
    computes the cosine of the argument.
    protected static Dfp
    DfpMath.cosInternal(Dfp[] a)
    Computes cos(a) Used when 0 invalid input: '<' a invalid input: '<' pi/4.
    Dfp
    Dfp.divide(Dfp divisor)
    Divide this by divisor.
    Dfp
    Dfp.dotrap(int type, String what, Dfp oper, Dfp result)
    Raises a trap.
    static Dfp
    DfpMath.exp(Dfp a)
    Computes e to the given power.
    protected static Dfp
    DfpMath.expInternal(Dfp a)
    Computes e to the given power.
    boolean
    Dfp.greaterThan(Dfp x)
    Check if instance is greater than x.
    boolean
    Dfp.lessThan(Dfp x)
    Check if instance is less than x.
    static Dfp
    DfpMath.log(Dfp a)
    Returns the natural logarithm of a.
    protected static Dfp[]
    DfpMath.logInternal(Dfp[] a)
    Computes the natural log of a number between 0 and 2.
    Dfp
    Dfp.multiply(Dfp x)
    Multiply this by x.
    Dfp
    DfpField.newDfp(Dfp d)
    Copy constructor.
    Dfp
    Dfp.newInstance(Dfp d)
    Create an instance by copying an existing one.
    Dfp
    DfpDec.newInstance(Dfp d)
    Create an instance by copying an existing one.
    Dfp
    Dfp.nextAfter(Dfp x)
    Returns the next number greater than this one in the direction of x.
    Dfp
    DfpDec.nextAfter(Dfp x)
    Returns the next number greater than this one in the direction of x.
    static Dfp
    DfpMath.pow(Dfp base, int a)
    Raises base to the power a by successive squaring.
    static Dfp
    DfpMath.pow(Dfp x, Dfp y)
    Computes x to the y power.
    Dfp
    Dfp.remainder(Dfp d)
    Returns the IEEE remainder.
    static Dfp
    DfpMath.sin(Dfp a)
    computes the sine of the argument.
    protected static Dfp
    DfpMath.sinInternal(Dfp[] a)
    Computes sin(a) Used when 0 invalid input: '<' a invalid input: '<' pi/4.
    protected static Dfp[]
    DfpMath.split(Dfp a)
    Splits a Dfp into 2 Dfp's such that their sum is equal to the input Dfp.
    protected static Dfp[]
    DfpMath.splitDiv(Dfp[] a, Dfp[] b)
    Divide two numbers that are split in to two pieces that are meant to be added together.
    protected static Dfp[]
    DfpMath.splitMult(Dfp[] a, Dfp[] b)
    Multiply two numbers that are split in to two pieces that are meant to be added together.
    protected static Dfp
    DfpMath.splitPow(Dfp[] base, int a)
    Raise a split base to the a power.
    Dfp
    Dfp.subtract(Dfp x)
    Subtract x from this.
    static Dfp
    DfpMath.tan(Dfp a)
    computes the tangent of the argument.
    protected Dfp
    Dfp.trap(int type, String what, Dfp oper, Dfp def, Dfp result)
    Trap handler.
    boolean
    Dfp.unequal(Dfp x)
    Check if instance is not equal to x.
    Constructors in org.apache.commons.math.dfp with parameters of type Dfp
    Modifier
    Constructor
    Description
     
    Dfp(Dfp d)
    Copy constructor.
     
    DfpDec(Dfp d)
    Copy constructor.