@liminal-hq/undertone / Fraction

Class: Fraction

Defined in: fraction.ts:18

An immutable rational number (numerator/denominator, always in lowest terms, denominator always positive). Pattern time is measured in cycles as Fractions so that subdivisions like triplets stay exact across arbitrarily many cycles.

Constructors

Constructor

new Fraction(numerator, denominator?): Fraction

Defined in: fraction.ts:22

Parameters

numerator

number

denominator?

number = 1

Returns

Fraction

Properties

d

readonly d: number

Defined in: fraction.ts:20

---

n

readonly n: number

Defined in: fraction.ts:19

Methods

add()

add(other): Fraction

Defined in: fraction.ts:63

Parameters

other

Fraction

Returns

Fraction

---

cmp()

cmp(other): number

Defined in: fraction.ts:83

Negative, zero, or positive as this is less than, equal to, or greater than other.

Parameters

other

Fraction

Returns

number

---

cyclePos()

cyclePos(): Fraction

Defined in: fraction.ts:131

Position within the current cycle, in [0, 1).

Returns

Fraction

---

div()

div(other): Fraction

Defined in: fraction.ts:75

Parameters

other

Fraction

Returns

Fraction

---

eq()

eq(other): boolean

Defined in: fraction.ts:87

Parameters

other

Fraction

Returns

boolean

---

floor()

floor(): number

Defined in: fraction.ts:116

The largest integer <= this value (rounds towards negative infinity).

Returns

number

---

gt()

gt(other): boolean

Defined in: fraction.ts:99

Parameters

other

Fraction

Returns

boolean

---

gte()

gte(other): boolean

Defined in: fraction.ts:103

Parameters

other

Fraction

Returns

boolean

---

lt()

lt(other): boolean

Defined in: fraction.ts:91

Parameters

other

Fraction

Returns

boolean

---

lte()

lte(other): boolean

Defined in: fraction.ts:95

Parameters

other

Fraction

Returns

boolean

---

max()

max(other): Fraction

Defined in: fraction.ts:111

Parameters

other

Fraction

Returns

Fraction

---

min()

min(other): Fraction

Defined in: fraction.ts:107

Parameters

other

Fraction

Returns

Fraction

---

mul()

mul(other): Fraction

Defined in: fraction.ts:71

Parameters

other

Fraction

Returns

Fraction

---

nextSam()

nextSam(): Fraction

Defined in: fraction.ts:126

The start of the next cycle.

Returns

Fraction

---

sam()

sam(): Fraction

Defined in: fraction.ts:121

The start of the cycle this time falls in ("sam" in Tidal terminology).

Returns

Fraction

---

sub()

sub(other): Fraction

Defined in: fraction.ts:67

Parameters

other

Fraction

Returns

Fraction

---

toNumber()

toNumber(): number

Defined in: fraction.ts:135

Returns

number

---

toString()

toString(): string

Defined in: fraction.ts:139

Returns

string

---

from()

static from(value): Fraction

Defined in: fraction.ts:39

Converts a number (integer or decimal like 1.5) or existing Fraction to a Fraction.

Parameters

value

number | Fraction

Returns

Fraction