ringo is compose of algo(algorithm) and gods(go data structure).
- cg: Computer Graphics.
- FDCT2D: 2d Forward Discrete Cosine Transform.
- IDCT2D: 2d Inverse Discrete Cosine Transform.
- stack: Stack Structure.
- matrix: matrix operation.
- Mat2D: 2d matrix operation (use 1d slice).
- dim: math calc.
- Max: compare the maximum value of a and b.
- Min: compare the minimum value of a and b.
- Abs: calculate the absolute value of a.