Class Decimal

Constructors

constructor

new Decimal(value): Decimal
Parameters
- value: string | number
Returns Decimal

Methods

`Static` E

E(): Decimal
Returns Decimal

`Static` E_INVERSE

E_INVERSE(): Decimal
Returns Decimal

`Static` HALF_PI

HALF_PI(): Decimal
Returns Decimal

`Static` MAX

MAX(): Decimal
Returns Decimal

`Static` MIN

MIN(): Decimal
Returns Decimal

`Static` NEGATIVE_ONE

NEGATIVE_ONE(): Decimal
Returns Decimal

`Static` ONE

ONE(): Decimal
Returns Decimal

`Static` ONE_HUNDRED

ONE_HUNDRED(): Decimal
Returns Decimal

`Static` ONE_THOUSAND

ONE_THOUSAND(): Decimal
Returns Decimal

`Static` PI

PI(): Decimal
Returns Decimal

`Static` QUARTER_PI

QUARTER_PI(): Decimal
Returns Decimal

`Static` TEN

TEN(): Decimal
Returns Decimal

`Static` TWO

TWO(): Decimal
Returns Decimal

`Static` TWO_PI

TWO_PI(): Decimal
Returns Decimal

`Static` ZERO

ZERO(): Decimal
Returns Decimal

`Static` newWithScale

newWithScale(num, scale): Decimal
Parameters
- num: number
- scale: number
Returns Decimal

toString

toString(): string
Returns string

toNumber

toNumber(): number
Returns number

abs

abs(): Decimal
Computes the absolute value.

Returns Decimal

ceil

ceil(): Decimal
Returns the smallest integer greater than or equal to a number.

Returns Decimal

floor

floor(): Decimal
Returns the largest integer less than or equal to a number.

Returns Decimal

fract

fract(): Decimal
Returns a new Decimal representing the fractional portion of the number.

Returns Decimal

isNegative

isNegative(): boolean
Returns true if the decimal is negative.

Returns boolean

isPositive

isPositive(): boolean
Returns true if the decimal is positive.

Returns boolean

isZero

isZero(): boolean
Returns true if this Decimal number is equivalent to zero.

Returns boolean

max

max(other): Decimal
Returns the maximum of the two numbers.
Parameters
- other: Decimal
Returns Decimal

min

min(other): Decimal
Returns the minimum of the two numbers.
Parameters
- other: Decimal
Returns Decimal

normalize

normalize(): Decimal
Strips any trailing zero’s from a Decimal and converts -0 to 0.

Returns Decimal

round

round(): Decimal
Returns a new Decimal number with no fractional portion (i.e. an integer). Rounding currently follows “Bankers Rounding” rules. e.g. 6.5 -> 6, 7.5 -> 8

Returns Decimal

trunc

trunc(): Decimal
Returns a new Decimal integral with no fractional portion. This is a true truncation whereby no rounding is performed.

Returns Decimal

add

add(other): Decimal
Performs the + operation.
Parameters
- other: Decimal
Returns Decimal

sub

sub(other): Decimal
Performs the - operation.
Parameters
- other: Decimal
Returns Decimal

mul

mul(other): Decimal
Performs the * operation.
Parameters
- other: Decimal
Returns Decimal

div

div(other): Decimal
Performs the / operation.
Parameters
- other: Decimal
Returns Decimal

rem

rem(other): Decimal
Performs the % operation.
Parameters
- other: Decimal
Returns Decimal

neg

neg(): Decimal
Performs the unary - operation.

Returns Decimal

greaterThan

greaterThan(other): boolean
Returns true if the value of this Decimal is greater than the value of x, otherwise returns false.
Parameters
- other: Decimal
Returns boolean

greaterThanOrEqualTo

greaterThanOrEqualTo(other): boolean
Returns true if the value of this Decimal is greater than or equal to the value of x, otherwise returns false.
Parameters
- other: Decimal
Returns boolean

equals

equals(other): boolean
Returns true if the value of this Decimal equals the value of x, otherwise returns false.
Parameters
- other: Decimal
Returns boolean

lessThan

lessThan(other): boolean
Returns true if the value of this Decimal is less than the value of x, otherwise returns false.
Parameters
- other: Decimal
Returns boolean

lessThanOrEqualTo

lessThanOrEqualTo(other): boolean
Returns true if the value of this Decimal is less than or equal to the value of x, otherwise returns false.
Parameters
- other: Decimal
Returns boolean

comparedTo

comparedTo(other): number
Compares the values of two Decimals.

Returns -1 if the value of this Decimal is less than the value of x.

Returns 1 if the value of this Decimal is greater than the value of x.

Returns 0 if the value of this Decimal equals the value of x.
Parameters
- other: Decimal
Returns number

sin

sin(): this
Computes the sine of a number (in radians)

Returns this

cos

cos(): this
Computes the cosine of a number (in radians)

Returns this

tan

tan(): this
Computes the tangent of a number (in radians). Panics upon overflow or upon approaching a limit.

Returns this

sqrt

sqrt(): this
The square root of a Decimal. Uses a standard Babylonian method.

Returns this

pow

pow(exp): this
Raise self to the given Decimal exponent: x^y. If exp is not whole then the approximation e^y*ln(x) is used.
Parameters
- exp: Decimal
Returns this

ln

ln(): this
Calculates the natural logarithm for a Decimal calculated using Taylor’s series.

Returns this

log10

log10(): this
Calculates the base 10 logarithm of a specified Decimal number.

Returns this

exp

exp(): this
The estimated exponential function, ex. Stops calculating when it is within tolerance of roughly 0.0000002.

Returns this

expWithTolerance

expWithTolerance(tolerance): this
The estimated exponential function, e^x using the tolerance provided as a hint as to when to stop calculating. A larger tolerance will cause the number to stop calculating sooner at the potential cost of a slightly less accurate result.
Parameters
- tolerance: Decimal
Returns this

erf

erf(): Decimal
Abramowitz Approximation of Error Function from wikipedia

Returns Decimal

normCdf

normCdf(): Decimal
The Cumulative distribution function for a Normal distribution

Returns Decimal

normPdf

normPdf(): this
The Probability density function for a Normal distribution.

Returns this