# Mat4f64

> **Mat4f64** = `mat4` & `Float64Array`

Defined in: [util/util.ts:19](<https://github.com/maplibre/maplibre-gl-js/blob/538a7680ab16d5cf5a6564ee0ce72a11be14d142/src/util/util.ts#L19>)

A 4x4 gl-matrix matrix backed by 64-bit floats.