# Math

## `mix()`

```typescript
const mix = (value: number, x: number, y: number) => number
```

mix performs a linear interpolation between x and y using a to weight between them. The return value is computed as `x * (1 - value) + y * value`.

## `bin()`

```typescript
const bin: (value: boolean) => 0 | 1
```

Convert a boolean value into a number. This can be useful in reanimated since 0 and 1 are used for conditional statements.

## `toRad()`

```typescript
const toRad = (deg: number) => number;
```

Transforms an angle from degrees to radians.

## `toDeg()`

```typescript
const toDeg = (rad: number) => number;
```

Transforms an angle from radians to degrees.

## `clamp()`

```typescript
const clamp = (value: number, lowerBound: number, upperBound: number) => number;
```

Clamps a node with a lower and upper bound.

```typescript
clamp(-1, 0, 100); // 0
clamp(1, 0, 100); // 1
clamp(101, 0, 100); // 100
```

## `avg()`

```typescript
const avg = (values: number[]) => number;
```

Returns the average value of an array

## `between()`

```typescript
const between = (value: number, lowerBound: number, upperBound: number, inclusive?: boolean) => boolean;
```

Returns true if node is within lowerBound and upperBound.

## `round()`

```typescript
const round = (value: Animated.Adaptable<number>, precision: Animated.Adaptable<number> = 0) => Animated.Node<number>;
```

Computes animation node rounded to precision.

## `cubicBezier()`

```typescript
const cubicBezier = (t: number, p0: number, p1: number, p2: number, p3: number) => number;
```

Returns the coordinate of a cubic bezier curve. t is the length of the curve from 0 to 1. `cubicBezier(0, p0, p1, p2, p3)` equals `p0` and `cubicBezier(1, p0, p1, p2, p3)` equals `p3`. `p0` and `p3` are respectively the starting and ending point of the curve. `p1` and `p2` are the control points.

## `cubicBezierYForX()`

Given a cubic Bèzier curve, return the `y` value for `x`.

```typescript
const x = 116;
const from = vec.create(59, 218);
const c1 = vec.create(131, 39);
const c2 = vec.create(204, 223);
const to = vec.create(227, 89);
// y= 139
const y = cubicBezierYForX(x, from, c1, c2, to)));
```


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