IDXParser parses an IDX-formatted file (such as the MNIST database of handwritten digits and returns an array of values in the given datatype.
Currently, IDXParser has only one function:
-
parseIDX(file_name)Parses given file
| Byte # | Description |
|---|---|
| 0 | 0x00 |
| 1 | 0x00 |
| 2 | Array Datatype: 0x08 -> UInt8, 0x09 -> Int8, 0x0B -> Int16, 0x0C -> Int32, 0x0D -> Float32, 0x0E -> Float64 |
| 3 | # Dimensions: 0x01 for vector, 0x02 for 2D matrix, etc. |
| 4-7 | Length of first dimension (32-bit Little Endian) |
| ... | ... |
| 4+4n - 4+4n+1 | Start of Data |
