Idx File

Note: Code 0x0A is not officially defined in original MNIST specs.

# Parse magic: first two bytes must be 0 if magic[0] != 0 or magic[1] != 0: raise ValueError("Invalid IDX file: magic prefix missing") idx file

The 4-byte magic number is constructed as: [0x00, 0x00, DATA_TYPE_CODE, DIMENSION_COUNT] Note: Code 0x0A is not officially defined in