Package ch.obermuhlner.math.big

Class BigFloat.Context

java.lang.Object

ch.obermuhlner.math.big.BigFloat.Context

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

BigFloat

public static class BigFloat.Context
extends java.lang.Object
implements java.io.Serializable

Manages the MathContext and provides factory methods for BigFloat values.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private java.math.MathContext	mathContext
BigFloat	NEGATIVE_ONE
BigFloat	ONE
private static long	serialVersionUID
BigFloat	ZERO

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Context(java.math.MathContext mathContext)

Method Summary

Modifier and Type	Method	Description
BigFloat	e()	Returns the constant e with this context.
boolean	equals(java.lang.Object obj)
BigFloat	factorial(int n)	Returns the factorial of n with this context.
java.math.MathContext	getMathContext()	Returns the MathContext of this context.
int	getPrecision()	Returns the precision of this context.
java.math.RoundingMode	getRoundingMode()	Returns the RoundingMode of this context.
int	hashCode()
BigFloat	pi()	Returns the constant pi with this context.
java.lang.String	toString()
BigFloat	valueOf(double value)	Creates a BigFloat value with this context.
BigFloat	valueOf(int value)	Creates a BigFloat value with this context.
BigFloat	valueOf(int value, boolean unsigned)	parse unsigned value with this logic
BigFloat	valueOf(long value)	Creates a BigFloat value with this context.
BigFloat	valueOf(long value, boolean unsigned)	parse unsigned value with this logic
BigFloat	valueOf(BigFloat value)	Creates a BigFloat value with this context.
BigFloat	valueOf(java.lang.String value)	Creates a BigFloat value with this context.
BigFloat	valueOf(java.math.BigDecimal value)	Creates a BigFloat value with this context.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

NEGATIVE_ONE

public final BigFloat NEGATIVE_ONE

ZERO

public final BigFloat ZERO

ONE

public final BigFloat ONE

mathContext

private final java.math.MathContext mathContext

Constructor Detail

Context

private Context(java.math.MathContext mathContext)

Method Detail

getMathContext

public java.math.MathContext getMathContext()

Returns the MathContext of this context.

Returns:

the MathContext

getPrecision

public int getPrecision()

Returns the precision of this context.

This is equivalent to calling getMathContext().getPrecision().

Returns:

the precision

getRoundingMode

public java.math.RoundingMode getRoundingMode()

Returns the RoundingMode of this context.

This is equivalent to calling getMathContext().getRoundingMode().

Returns:

the RoundingMode

valueOf

public BigFloat valueOf(BigFloat value)

Creates a BigFloat value with this context.

Parameters:

value - the source BigFloat value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(java.math.BigDecimal value)

Creates a BigFloat value with this context.

Parameters:

value - the source BigDecimal value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(int value)

Creates a BigFloat value with this context.

Parameters:

value - the source int value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(int value,
                        boolean unsigned)

parse unsigned value with this logic

value & 4294967295

Parameters:

value - an int value

unsigned - if true value will parse as unsigned integer

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(long value)

Creates a BigFloat value with this context.

Parameters:

value - the source long value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(long value,
                        boolean unsigned)

parse unsigned value with this logic

value & 18446744073709551615

Parameters:

value - an int value

unsigned - if true value will parse as unsigned integer

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(double value)

Creates a BigFloat value with this context.

Parameters:

value - the source double value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

valueOf

public BigFloat valueOf(java.lang.String value)

Creates a BigFloat value with this context.

Parameters:

value - the source String value

Returns:

the BigFloat value with this context (rounded to the precision of this context)

Throws:

java.lang.NumberFormatException - if the value is not a valid number.

pi

public BigFloat pi()

Returns the constant pi with this context.

Returns:

pi with this context (rounded to the precision of this context)

See Also:

BigDecimalMath.pi(MathContext)

e

public BigFloat e()

Returns the constant e with this context.

Returns:

e with this context (rounded to the precision of this context)

See Also:

BigDecimalMath.e(MathContext)

factorial

public BigFloat factorial(int n)

Returns the factorial of n with this context.

Parameters:

n - the value to calculate

Returns:

the factorial of n with this context (rounded to the precision of this context)

See Also:

BigDecimalMath.factorial(int)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object