Function invert

invert(out: mat3, a: ReadonlyMat3): mat3 | null
Inverts a mat3
Parameters
- out: mat3
  the receiving matrix
- a: ReadonlyMat3
  the source matrix
Returns mat3 | null
out, or null if source matrix is not invertible
- Defined in node_modules/gl-matrix/index.d.ts:706