Decimal64 (Commons Math 3.2 API)

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org.apache.commons.math3.util
Class Decimal64

java.lang.Object
  java.lang.Number
      org.apache.commons.math3.util.Decimal64

All Implemented Interfaces:: Serializable, Comparable<Decimal64>, FieldElement<Decimal64>, RealFieldElement<Decimal64>

public class Decimal64
extends Number
implements RealFieldElement<Decimal64>, Comparable<Decimal64>
extends Number
implements RealFieldElement<Decimal64>, Comparable<Decimal64>

This class wraps a double value in an object. It is similar to the standard class Double, while also implementing the RealFieldElement interface.

Since:: 3.1
Version:: $Id: Decimal64.java 1462423 2013-03-29 07:25:18Z luc $
See Also:: Serialized Form

Field Summary
`static Decimal64`	`NAN` The constant value of `Double.NaN` as a `Decimal64`.
`static Decimal64`	`NEGATIVE_INFINITY` The constant value of `Double.NEGATIVE_INFINITY` as a `Decimal64`.
`static Decimal64`	`ONE` The constant value of `1d` as a `Decimal64`.
`static Decimal64`	`POSITIVE_INFINITY` The constant value of `Double.POSITIVE_INFINITY` as a `Decimal64`.
`static Decimal64`	`ZERO` The constant value of `0d` as a `Decimal64`.

Constructor Summary
`Decimal64(double x)` Creates a new instance of this class.

Method Summary
`Decimal64`	`abs()` absolute value.
`Decimal64`	`acos()` Arc cosine operation.
`Decimal64`	`acosh()` Inverse hyperbolic cosine operation.
`Decimal64`	`add(Decimal64 a)` Compute this + a.
`Decimal64`	`add(double a)` '+' operator.
`Decimal64`	`asin()` Arc sine operation.
`Decimal64`	`asinh()` Inverse hyperbolic sine operation.
`Decimal64`	`atan()` Arc tangent operation.
`Decimal64`	`atan2(Decimal64 x)` Two arguments arc tangent operation.
`Decimal64`	`atanh()` Inverse hyperbolic tangent operation.
`byte`	`byteValue()` The current implementation performs casting to a `byte`.
`Decimal64`	`cbrt()` Cubic root.
`Decimal64`	`ceil()` Get the smallest whole number larger than instance.
`int`	`compareTo(Decimal64 o)` The current implementation returns the same value as `new Double(this.doubleValue()).compareTo(new Double(o.doubleValue()))`
`Decimal64`	`copySign(Decimal64 sign)` Returns the instance with the sign of the argument.
`Decimal64`	`copySign(double sign)` Returns the instance with the sign of the argument.
`Decimal64`	`cos()` Cosine operation.
`Decimal64`	`cosh()` Hyperbolic cosine operation.
`Decimal64`	`divide(Decimal64 a)` Compute this ÷ a.
`Decimal64`	`divide(double a)` '÷s;' operator.
`double`	`doubleValue()`
`boolean`	`equals(Object obj)`
`Decimal64`	`exp()` Exponential.
`Decimal64`	`expm1()` Exponential minus 1.
`float`	`floatValue()` The current implementation performs casting to a `float`.
`Decimal64`	`floor()` Get the largest whole number smaller than instance.
`Field<Decimal64>`	`getField()` Get the `Field` to which the instance belongs.
`double`	`getReal()` Get the real value of the number.
`int`	`hashCode()` The current implementation returns the same value as `new Double(this.doubleValue()).hashCode()`
`Decimal64`	`hypot(Decimal64 y)` Returns the hypotenuse of a triangle with sides `this` and `y` - sqrt(this² +y²) avoiding intermediate overflow or underflow.
`int`	`intValue()` The current implementation performs casting to a `int`.
`boolean`	`isInfinite()` Returns `true` if `this` double precision number is infinite (`Double.POSITIVE_INFINITY` or `Double.NEGATIVE_INFINITY`).
`boolean`	`isNaN()` Returns `true` if `this` double precision number is Not-a-Number (`NaN`), false otherwise.
`Decimal64`	`linearCombination(Decimal64[] a, Decimal64[] b)` Compute a linear combination.
`Decimal64`	`linearCombination(Decimal64 a1, Decimal64 b1, Decimal64 a2, Decimal64 b2)` Compute a linear combination.
`Decimal64`	`linearCombination(Decimal64 a1, Decimal64 b1, Decimal64 a2, Decimal64 b2, Decimal64 a3, Decimal64 b3)` Compute a linear combination.
`Decimal64`	`linearCombination(Decimal64 a1, Decimal64 b1, Decimal64 a2, Decimal64 b2, Decimal64 a3, Decimal64 b3, Decimal64 a4, Decimal64 b4)` Compute a linear combination.
`Decimal64`	`linearCombination(double[] a, Decimal64[] b)` Compute a linear combination.
`Decimal64`	`linearCombination(double a1, Decimal64 b1, double a2, Decimal64 b2)` Compute a linear combination.
`Decimal64`	`linearCombination(double a1, Decimal64 b1, double a2, Decimal64 b2, double a3, Decimal64 b3)` Compute a linear combination.
`Decimal64`	`linearCombination(double a1, Decimal64 b1, double a2, Decimal64 b2, double a3, Decimal64 b3, double a4, Decimal64 b4)` Compute a linear combination.
`Decimal64`	`log()` Natural logarithm.
`Decimal64`	`log10()` Base 10 logarithm.
`Decimal64`	`log1p()` Shifted natural logarithm.
`long`	`longValue()` The current implementation performs casting to a `long`.
`Decimal64`	`multiply(Decimal64 a)` Compute this × a.
`Decimal64`	`multiply(double a)` '×' operator.
`Decimal64`	`multiply(int n)` Compute n × this.
`Decimal64`	`negate()` Returns the additive inverse of `this` element.
`Decimal64`	`pow(Decimal64 e)` Power operation.
`Decimal64`	`pow(double p)` Power operation.
`Decimal64`	`pow(int n)` Integer power operation.
`Decimal64`	`reciprocal()` Returns the multiplicative inverse of `this` element.
`Decimal64`	`remainder(Decimal64 a)` IEEE remainder operator.
`Decimal64`	`remainder(double a)` IEEE remainder operator.
`Decimal64`	`rint()` Get the whole number that is the nearest to the instance, or the even one if x is exactly half way between two integers.
`Decimal64`	`rootN(int n)` N^th root.
`long`	`round()` Get the closest long to instance value.
`Decimal64`	`scalb(int n)` Multiply the instance by a power of 2.
`short`	`shortValue()` The current implementation performs casting to a `short`.
`Decimal64`	`signum()` Compute the signum of the instance.
`Decimal64`	`sin()` Sine operation.
`Decimal64`	`sinh()` Hyperbolic sine operation.
`Decimal64`	`sqrt()` Square root.
`Decimal64`	`subtract(Decimal64 a)` Compute this - a.
`Decimal64`	`subtract(double a)` '-' operator.
`Decimal64`	`tan()` Tangent operation.
`Decimal64`	`tanh()` Hyperbolic tangent operation.
`String`	`toString()` The returned `String` is equal to `Double.toString(this.doubleValue())`

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

Field Detail

ZERO

public static final Decimal64 ZERO

The constant value of 0d as a Decimal64.

ONE

public static final Decimal64 ONE

The constant value of 1d as a Decimal64.

NEGATIVE_INFINITY

public static final Decimal64 NEGATIVE_INFINITY

The constant value of Double.NEGATIVE_INFINITY as a Decimal64.

POSITIVE_INFINITY

public static final Decimal64 POSITIVE_INFINITY

The constant value of Double.POSITIVE_INFINITY as a Decimal64.

NAN

public static final Decimal64 NAN

The constant value of Double.NaN as a Decimal64.

Constructor Detail

Decimal64

public Decimal64(double x)

Creates a new instance of this class.

Parameters:: x - the primitive double value of the object to be created

Method Detail

getField

public Field<Decimal64> getField()

Get the Field to which the instance belongs.

Specified by:: getField in interface FieldElement<Decimal64>

Returns:: Field to which the instance belongs

add

public Decimal64 add(Decimal64 a)

Compute this + a. The current implementation strictly enforces

this.add(a).equals(new Decimal64(this.doubleValue()
 + a.doubleValue()))

Specified by:: add in interface FieldElement<Decimal64>

Parameters:: a - element to add
Returns:: a new element representing this + a

subtract

public Decimal64 subtract(Decimal64 a)

Compute this - a. The current implementation strictly enforces

this.subtract(a).equals(new Decimal64(this.doubleValue()
 - a.doubleValue()))

Specified by:: subtract in interface FieldElement<Decimal64>

Parameters:: a - element to subtract
Returns:: a new element representing this - a

negate

public Decimal64 negate()

Returns the additive inverse of this element. The current implementation strictly enforces this.negate().equals(new Decimal64(-this.doubleValue())).

Specified by:: negate in interface FieldElement<Decimal64>

Returns:: the opposite of this.

multiply

public Decimal64 multiply(Decimal64 a)

Compute this × a. The current implementation strictly enforces

this.multiply(a).equals(new Decimal64(this.doubleValue()
 * a.doubleValue()))

Specified by:: multiply in interface FieldElement<Decimal64>

Parameters:: a - element to multiply
Returns:: a new element representing this × a

multiply

public Decimal64 multiply(int n)

Compute n × this. Multiplication by an integer number is defined as the following sum n × this = ∑_i=1ⁿ this. The current implementation strictly enforces this.multiply(n).equals(new Decimal64(n * this.doubleValue())).

Specified by:: multiply in interface FieldElement<Decimal64>

Parameters:: n - Number of times this must be added to itself.
Returns:: A new element representing n × this.

divide

public Decimal64 divide(Decimal64 a)

Compute this ÷ a. The current implementation strictly enforces

this.divide(a).equals(new Decimal64(this.doubleValue()
 / a.doubleValue()))

Specified by:: divide in interface FieldElement<Decimal64>

Parameters:: a - element to add
Returns:: a new element representing this ÷ a

reciprocal

public Decimal64 reciprocal()

Returns the multiplicative inverse of this element. The current implementation strictly enforces

this.reciprocal().equals(new Decimal64(1.0
 / this.doubleValue()))

Specified by:: reciprocal in interface FieldElement<Decimal64>
Specified by:: reciprocal in interface RealFieldElement<Decimal64>

Returns:: the inverse of this.

byteValue

public byte byteValue()

The current implementation performs casting to a byte.

Overrides:: byteValue in class Number

shortValue

public short shortValue()

The current implementation performs casting to a short.

Overrides:: shortValue in class Number

intValue

public int intValue()

The current implementation performs casting to a int.

Specified by:: intValue in class Number

longValue

public long longValue()

The current implementation performs casting to a long.

Specified by:: longValue in class Number

floatValue

public float floatValue()

The current implementation performs casting to a float.

Specified by:: floatValue in class Number

doubleValue

public double doubleValue()

Specified by:: doubleValue in class Number

compareTo

public int compareTo(Decimal64 o)

The current implementation returns the same value as

new Double(this.doubleValue()).compareTo(new
 Double(o.doubleValue()))

Specified by:: compareTo in interface Comparable<Decimal64>

See Also:: Double.compareTo(Double)

equals

public boolean equals(Object obj)

Overrides:: equals in class Object

hashCode

public int hashCode()

The current implementation returns the same value as new Double(this.doubleValue()).hashCode()

Overrides:: hashCode in class Object

See Also:: Double.hashCode()

toString

public String toString()

The returned String is equal to Double.toString(this.doubleValue())

Overrides:: toString in class Object

See Also:: Double.toString(double)

isInfinite

public boolean isInfinite()

Returns true if this double precision number is infinite (Double.POSITIVE_INFINITY or Double.NEGATIVE_INFINITY).

Returns:: true if this number is infinite

isNaN

public boolean isNaN()

Returns true if this double precision number is Not-a-Number (NaN), false otherwise.

Returns:: true if this is NaN

getReal

public double getReal()

Get the real value of the number.

Specified by:: getReal in interface RealFieldElement<Decimal64>

Returns:: real value
Since:: 3.2

add

public Decimal64 add(double a)

'+' operator.

Specified by:: add in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this+a
Since:: 3.2

subtract

public Decimal64 subtract(double a)

'-' operator.

Specified by:: subtract in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this-a
Since:: 3.2

multiply

public Decimal64 multiply(double a)

'×' operator.

Specified by:: multiply in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this×a
Since:: 3.2

divide

public Decimal64 divide(double a)

'÷s;' operator.

Specified by:: divide in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this÷s;a
Since:: 3.2

remainder

public Decimal64 remainder(double a)

IEEE remainder operator.

Specified by:: remainder in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this - n × a where n is the closest integer to this/a (the even integer is chosen for n if this/a is halfway between two integers)
Since:: 3.2

remainder

public Decimal64 remainder(Decimal64 a)

IEEE remainder operator.

Specified by:: remainder in interface RealFieldElement<Decimal64>

Parameters:: a - right hand side parameter of the operator
Returns:: this - n × a where n is the closest integer to this/a (the even integer is chosen for n if this/a is halfway between two integers)
Since:: 3.2

abs

public Decimal64 abs()

absolute value.

Specified by:: abs in interface RealFieldElement<Decimal64>

Returns:: abs(this)
Since:: 3.2

ceil

public Decimal64 ceil()

Get the smallest whole number larger than instance.

Specified by:: ceil in interface RealFieldElement<Decimal64>

Returns:: ceil(this)
Since:: 3.2

floor

public Decimal64 floor()

Get the largest whole number smaller than instance.

Specified by:: floor in interface RealFieldElement<Decimal64>

Returns:: floor(this)
Since:: 3.2

rint

public Decimal64 rint()

Get the whole number that is the nearest to the instance, or the even one if x is exactly half way between two integers.

Specified by:: rint in interface RealFieldElement<Decimal64>

Returns:: a double number r such that r is an integer r - 0.5 <= this <= r + 0.5
Since:: 3.2

round

public long round()

Get the closest long to instance value.

Specified by:: round in interface RealFieldElement<Decimal64>

Returns:: closest long to RealFieldElement.getReal()
Since:: 3.2

signum

public Decimal64 signum()

Compute the signum of the instance. The signum is -1 for negative numbers, +1 for positive numbers and 0 otherwise

Specified by:: signum in interface RealFieldElement<Decimal64>

Returns:: -1.0, -0.0, +0.0, +1.0 or NaN depending on sign of a
Since:: 3.2

copySign

public Decimal64 copySign(Decimal64 sign)

Returns the instance with the sign of the argument. A NaN sign argument is treated as positive.

Specified by:: copySign in interface RealFieldElement<Decimal64>

Parameters:: sign - the sign for the returned value
Returns:: the instance with the same sign as the sign argument
Since:: 3.2

copySign

public Decimal64 copySign(double sign)

Returns the instance with the sign of the argument. A NaN sign argument is treated as positive.

Specified by:: copySign in interface RealFieldElement<Decimal64>

Parameters:: sign - the sign for the returned value
Returns:: the instance with the same sign as the sign argument
Since:: 3.2

scalb

public Decimal64 scalb(int n)

Multiply the instance by a power of 2.

Specified by:: scalb in interface RealFieldElement<Decimal64>

Parameters:: n - power of 2
Returns:: this × 2ⁿ
Since:: 3.2

hypot

public Decimal64 hypot(Decimal64 y)

Returns the hypotenuse of a triangle with sides this and y - sqrt(this² +y²)
avoiding intermediate overflow or underflow.

If either argument is infinite, then the result is positive infinity.
else, if either argument is NaN then the result is NaN.

Specified by:: hypot in interface RealFieldElement<Decimal64>

Parameters:: y - a value
Returns:: sqrt(this² +y²)
Since:: 3.2

sqrt

public Decimal64 sqrt()

Square root.

Specified by:: sqrt in interface RealFieldElement<Decimal64>

Returns:: square root of the instance
Since:: 3.2

cbrt

public Decimal64 cbrt()

Cubic root.

Specified by:: cbrt in interface RealFieldElement<Decimal64>

Returns:: cubic root of the instance
Since:: 3.2

rootN

public Decimal64 rootN(int n)

N^th root.

Specified by:: rootN in interface RealFieldElement<Decimal64>

Parameters:: n - order of the root
Returns:: n^th root of the instance
Since:: 3.2

pow

public Decimal64 pow(double p)

Power operation.

Specified by:: pow in interface RealFieldElement<Decimal64>

Parameters:: p - power to apply
Returns:: this^p
Since:: 3.2

pow

public Decimal64 pow(int n)

Integer power operation.

Specified by:: pow in interface RealFieldElement<Decimal64>

Parameters:: n - power to apply
Returns:: thisⁿ
Since:: 3.2

pow

public Decimal64 pow(Decimal64 e)

Power operation.

Specified by:: pow in interface RealFieldElement<Decimal64>

Parameters:: e - exponent
Returns:: this^e
Since:: 3.2

exp

public Decimal64 exp()

Exponential.

Specified by:: exp in interface RealFieldElement<Decimal64>

Returns:: exponential of the instance
Since:: 3.2

expm1

public Decimal64 expm1()

Exponential minus 1.

Specified by:: expm1 in interface RealFieldElement<Decimal64>

Returns:: exponential minus one of the instance
Since:: 3.2

log

public Decimal64 log()

Natural logarithm.

Specified by:: log in interface RealFieldElement<Decimal64>

Returns:: logarithm of the instance
Since:: 3.2

log1p

public Decimal64 log1p()

Shifted natural logarithm.

Specified by:: log1p in interface RealFieldElement<Decimal64>

Returns:: logarithm of one plus the instance
Since:: 3.2

log10

public Decimal64 log10()

Base 10 logarithm.

Returns:: base 10 logarithm of the instance
Since:: 3.2

cos

public Decimal64 cos()

Cosine operation.

Specified by:: cos in interface RealFieldElement<Decimal64>

Returns:: cos(this)
Since:: 3.2

sin

public Decimal64 sin()

Sine operation.

Specified by:: sin in interface RealFieldElement<Decimal64>

Returns:: sin(this)
Since:: 3.2

tan

public Decimal64 tan()

Tangent operation.

Specified by:: tan in interface RealFieldElement<Decimal64>

Returns:: tan(this)
Since:: 3.2

acos

public Decimal64 acos()

Arc cosine operation.

Specified by:: acos in interface RealFieldElement<Decimal64>

Returns:: acos(this)
Since:: 3.2

asin

public Decimal64 asin()

Arc sine operation.

Specified by:: asin in interface RealFieldElement<Decimal64>

Returns:: asin(this)
Since:: 3.2

atan

public Decimal64 atan()

Arc tangent operation.

Specified by:: atan in interface RealFieldElement<Decimal64>

Returns:: atan(this)
Since:: 3.2

atan2

public Decimal64 atan2(Decimal64 x)

Two arguments arc tangent operation.

Specified by:: atan2 in interface RealFieldElement<Decimal64>

Parameters:: x - second argument of the arc tangent
Returns:: atan2(this, x)
Since:: 3.2

cosh

public Decimal64 cosh()

Hyperbolic cosine operation.

Specified by:: cosh in interface RealFieldElement<Decimal64>

Returns:: cosh(this)
Since:: 3.2

sinh

public Decimal64 sinh()

Hyperbolic sine operation.

Specified by:: sinh in interface RealFieldElement<Decimal64>

Returns:: sinh(this)
Since:: 3.2

tanh

public Decimal64 tanh()

Hyperbolic tangent operation.

Specified by:: tanh in interface RealFieldElement<Decimal64>

Returns:: tanh(this)
Since:: 3.2

acosh

public Decimal64 acosh()

Inverse hyperbolic cosine operation.

Specified by:: acosh in interface RealFieldElement<Decimal64>

Returns:: acosh(this)
Since:: 3.2

asinh

public Decimal64 asinh()

Inverse hyperbolic sine operation.

Specified by:: asinh in interface RealFieldElement<Decimal64>

Returns:: asin(this)
Since:: 3.2

atanh

public Decimal64 atanh()

Inverse hyperbolic tangent operation.

Specified by:: atanh in interface RealFieldElement<Decimal64>

Returns:: atanh(this)
Since:: 3.2

linearCombination

public Decimal64 linearCombination(Decimal64[] a,
                                   Decimal64[] b)
                            throws DimensionMismatchException

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a - Factors.; b - Factors.
Returns:: Σ_i a_i b_i.
Throws:: DimensionMismatchException - if arrays dimensions don't match
Since:: 3.2

linearCombination

public Decimal64 linearCombination(double[] a,
                                   Decimal64[] b)
                            throws DimensionMismatchException

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a - Factors.; b - Factors.
Returns:: Σ_i a_i b_i.
Throws:: DimensionMismatchException - if arrays dimensions don't match
Since:: 3.2

linearCombination

public Decimal64 linearCombination(Decimal64 a1,
                                   Decimal64 b1,
                                   Decimal64 a2,
                                   Decimal64 b2)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term
Returns:: a₁×b₁ + a₂×b₂
Since:: 3.2
See Also:: RealFieldElement.linearCombination(Object, Object, Object, Object, Object, Object), RealFieldElement.linearCombination(Object, Object, Object, Object, Object, Object, Object, Object)

linearCombination

public Decimal64 linearCombination(double a1,
                                   Decimal64 b1,
                                   double a2,
                                   Decimal64 b2)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term
Returns:: a₁×b₁ + a₂×b₂
Since:: 3.2
See Also:: RealFieldElement.linearCombination(double, Object, double, Object, double, Object), RealFieldElement.linearCombination(double, Object, double, Object, double, Object, double, Object)

linearCombination

public Decimal64 linearCombination(Decimal64 a1,
                                   Decimal64 b1,
                                   Decimal64 a2,
                                   Decimal64 b2,
                                   Decimal64 a3,
                                   Decimal64 b3)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term; a3 - first factor of the third term; b3 - second factor of the third term
Returns:: a₁×b₁ + a₂×b₂ + a₃×b₃
Since:: 3.2
See Also:: RealFieldElement.linearCombination(Object, Object, Object, Object), RealFieldElement.linearCombination(Object, Object, Object, Object, Object, Object, Object, Object)

linearCombination

public Decimal64 linearCombination(double a1,
                                   Decimal64 b1,
                                   double a2,
                                   Decimal64 b2,
                                   double a3,
                                   Decimal64 b3)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term; a3 - first factor of the third term; b3 - second factor of the third term
Returns:: a₁×b₁ + a₂×b₂ + a₃×b₃
Since:: 3.2
See Also:: RealFieldElement.linearCombination(double, Object, double, Object), RealFieldElement.linearCombination(double, Object, double, Object, double, Object, double, Object)

linearCombination

public Decimal64 linearCombination(Decimal64 a1,
                                   Decimal64 b1,
                                   Decimal64 a2,
                                   Decimal64 b2,
                                   Decimal64 a3,
                                   Decimal64 b3,
                                   Decimal64 a4,
                                   Decimal64 b4)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term; a3 - first factor of the third term; b3 - second factor of the third term; a4 - first factor of the third term; b4 - second factor of the third term
Returns:: a₁×b₁ + a₂×b₂ + a₃×b₃ + a₄×b₄
Since:: 3.2
See Also:: RealFieldElement.linearCombination(Object, Object, Object, Object), RealFieldElement.linearCombination(Object, Object, Object, Object, Object, Object)

linearCombination

public Decimal64 linearCombination(double a1,
                                   Decimal64 b1,
                                   double a2,
                                   Decimal64 b2,
                                   double a3,
                                   Decimal64 b3,
                                   double a4,
                                   Decimal64 b4)

Compute a linear combination.

Specified by:: linearCombination in interface RealFieldElement<Decimal64>

Parameters:: a1 - first factor of the first term; b1 - second factor of the first term; a2 - first factor of the second term; b2 - second factor of the second term; a3 - first factor of the third term; b3 - second factor of the third term; a4 - first factor of the third term; b4 - second factor of the third term
Returns:: a₁×b₁ + a₂×b₂ + a₃×b₃ + a₄×b₄
Since:: 3.2
See Also:: RealFieldElement.linearCombination(double, Object, double, Object), RealFieldElement.linearCombination(double, Object, double, Object, double, Object)

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org.apache.commons.math3.util Class Decimal64

ZERO

ONE

NEGATIVE_INFINITY

POSITIVE_INFINITY

NAN

Decimal64

getField

add

subtract

negate

multiply

multiply

divide

reciprocal

byteValue

shortValue

intValue

longValue

floatValue

doubleValue

compareTo

equals

hashCode

toString

isInfinite

isNaN

getReal

add

subtract

multiply

divide

remainder

remainder

abs

ceil

floor

rint

round

signum

copySign

copySign

scalb

hypot

sqrt

cbrt

rootN

pow

pow

pow

exp

expm1

log

log1p

log10

cos

sin

tan

acos

asin

atan

atan2

cosh

sinh

tanh

acosh

asinh

atanh

linearCombination

linearCombination

linearCombination

linearCombination

linearCombination

linearCombination

linearCombination

linearCombination

org.apache.commons.math3.util
Class Decimal64