Function vecmath::mat3x4_inv_det

pub fn mat3x4_inv_det<T>(mat: Matrix3x4<T>) -> T where
    T: Copy + One + Add<T, Output = T> + Mul<T, Output = T> + Sub<T, Output = T> + Div<T, Output = T>, 

Computes inverse determinant of a 3x4 matrix.