Arithmetic

clamp (x: number, min: number, max: number): number

Bounds a number between a lower and an upper limit.

Name	Type	Default
`x`	number
`min`	number	-Infinity
`max`	number	…

arithmetic.ts#L233

cube (x: number): number

Cubes a number.

Name	Type	Default	Description
`x`	number

arithmetic.ts#L176

digits (n: number): Array<number>

Returns the digits of a number n.

Name	Type	Default	Description
`n`	number

arithmetic.ts#L25

isBetween (value: number, a: number, b: number, t: number): boolean

Checks if a number x is between two numbers a and b.

Name	Type	Default
`value`	number
`a`	number
`b`	number
`t`	number	…

arithmetic.ts#L20

isInteger (x: number, t: number): boolean

Name	Type	Default	Description
`x`	number
`t`	number	…

arithmetic.ts#L223

lerp (a: number, b: number, t: number): number

Linear interpolation

Name	Type	Default
`a`	number
`b`	number
`t`	number	0.5

arithmetic.ts#L247

log (x: number, b: number): number

Calculates the logarithm of x with base b.

Name	Type	Default	Description
`x`	number
`b`	number

arithmetic.ts#L242

mod (a: number, m: number): number

Calculates a mod m. The JS implementation of the % operator returns the symmetric modulo. Both are identical if a >= 0 and m >= 0 but the results differ if a or m < 0.

Name	Type	Default	Description
`a`	number
`m`	number

arithmetic.ts#L14

nearlyEquals (a: number, b: number, t: number): boolean

Checks if two numbers are nearly equals.

Name	Type	Default
`a`	number
`b`	number
`t`	number	…

arithmetic.ts#L70

numberFormat (n: number, places: number, separators: boolean): string

Converts a number to a clean string, by rounding, adding power suffixes, and adding thousands separators. places is the number of digits to show in the result.

Name	Type	Default
`n`	number
`places`	number	0
`separators`	boolean	true

arithmetic.ts#L90

parseNumber (str: string): number

Converts a number to a string, including . or , decimal points and thousands separators.

Name	Type	Default	Description
`str`	string

arithmetic.ts#L261

polynomial (x: number, coefficients: Array<number>): number

Name	Type	Default	Description
`x`	number
`coefficients`	Array<number>

arithmetic.ts#L252

quadratic (a: number, b: number, c: number): Array<number>

Solves the quadratic equation a x^2 + b x + c = 0

Name	Type	Default	Description
`a`	number
`b`	number
`c`	number

arithmetic.ts#L182

round (n: number, precision: number): number

Rounds a number n to precision decimal places.

Name	Type	Default	Description
`n`	number
`precision`	number	0

arithmetic.ts#L188

roundTo (n: number, increment: number): number

Round a number n to the nearest multiple of increment.

Name	Type	Default	Description
`n`	number
`increment`	number	1

arithmetic.ts#L31

sign (value: number, t: number): 1|0|-1

Returns the sign of a number x, as +1, 0 or –1.

Name	Type	Default	Description
`value`	number
`t`	number	…

arithmetic.ts#L228

square (x: number): number

Squares a number.

Name	Type	Default	Description
`x`	number

arithmetic.ts#L196

toFraction (decimal: number, precision: number): Array<number>

Returns an [numerator, denominator] array that approximated a decimal to precision. See http://en.wikipedia.org/wiki/Continued_fraction

Name	Type	Default	Description
`decimal`	number
`precision`	number	…

arithmetic.ts#L114

toOrdinal (x: number): string

Converts a number to an ordinal.

Name	Type	Default	Description
`x`	number

arithmetic.ts#L153

toWord (n: number): string

Spells a number as an English word.

Name	Type	Default	Description
`n`	number