proc projection(N: static[int]; w, h: float): Matrix[N, N]

proc projection(w, h: float): Matrix[4, 4] {.
inline, raises: [AssertionError], tags: []
.}

proc translation(N: static[int]; x, y: float = 0; z: float = 0): Matrix[N, N]

proc translation(x, y: float = 0; z: float = 0): Matrix[4, 4] {.
inline,
    raises: [AssertionError], tags: []
.}

proc rotation(N: static[int]; phi = 0.0'f64; theta: float = 0): Matrix[N, N]

proc rotation(phi = 0.0'f64; theta: float = 0): Matrix[4, 4] {.
inline,
    raises: [AssertionError], tags: []
.}

proc scaling(N: static[int]; w, h: float = 0): Matrix[N, N]

proc scaling(w, h: float = 0): Matrix[4, 4] {.
inline, raises: [AssertionError], tags: []
.}