export type Matrix4 = [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number];
export type Matrix4InOut = Matrix4 | number[];
export type Vector3 = [number, number, number];
export type Vector4 = [number, number, number, number];
export type Vector = Vector3 | Vector4;
export declare function perspective(out: Matrix4InOut, fovy: number, aspect: number, near: number, far: number): Matrix4InOut;
export declare function perspectiveZO(out: Matrix4InOut, fovy: number, aspect: number, near: number, far: number): Matrix4InOut;
export declare function translate(out: Matrix4InOut, a: Matrix4InOut, v: Vector): Matrix4InOut;
export declare function scale(out: Matrix4InOut, a: Matrix4InOut, v: Vector): Matrix4InOut;
export declare function rotateX(out: Matrix4InOut, a: Matrix4InOut, rad: number): Matrix4InOut;
export declare function rotateZ(out: Matrix4InOut, a: Matrix4InOut, rad: number): Matrix4InOut;
export declare function multiply(out: Matrix4InOut, a: Matrix4InOut, b: Matrix4InOut): Matrix4InOut;
export declare function invert(out: Matrix4InOut, a: Matrix4InOut): Matrix4InOut;
/**
 * Set a mat4 to the identity matrix
 * @ignore
 * @param out the receiving matrix
 * @returns out
 */
export declare function identity(out: Matrix4InOut): Matrix4InOut;
/**
 * Copy the values from one mat4 to another
 * @ignore
 * @param out the receiving matrix
 * @param a the source matrix
 * @returns out
 */
export declare function copy(out: Matrix4InOut, a: Matrix4InOut): Matrix4InOut;
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