View Source QRCode.GaloisField (QRCode v3.0.0)
Galios Field GF(256) functions.
Link to this section Summary
Functions
Add two alpha values in GF(256).
Given integer returns alpha exponent. Example
Given alpha exponent returns integer. Example
Link to this section Types
@type alpha() :: 0..254
@type value() :: 1..255
Link to this section Functions
Add two alpha values in GF(256).
example
Example
iex> QRCode.GaloisField.add(10, 251)
6
iex> QRCode.GaloisField.add(10, 13)
23
Given integer returns alpha exponent. Example:
iex> QRCode.GaloisField.to_a(2)
1
Given alpha exponent returns integer. Example:
iex> QRCode.GaloisField.to_i(1)
2