titus.util.startEnd¶

titus.util.startEnd(length, start, end)[source]¶

Helper function to normalize the start and end of an array by counting from the end of the array (just like Python).

Parameters:	length (non-negative integer) – length of the array in question start (integer) – starting index to interpret end (integer) – ending index to interpret
Return type:	(non-negative integer, non-negative integer)
Returns:	(normalized starting index, normalized ending index)