On Wednesday, April 7, 2004, at 05:59 PM, Glen Bojsza wrote:
I am stuck with arrays but I really would like to have a faster solution... unless there is something that I'm missing??
Well, if the array is not in the context of 2D arrays, then you don't need the second index. That might make calculating your key a little faster.
Also, your example of the speed of lines only applies to 1D. If you were taking a sub matrix with specified min and max column and min and max row, you would have to take several chunks out. Even so, there can be an advantage to contiguous data for many types of sub matrices.
Characters are even faster than lines. I have used packed numbers using encode/decodeBinary in strings as matrices. You might be more comfortable with a fixed number of characters.
Another approach is to rethink this. Do you really need the sub array? Maybe what you need is the indexes into an array in a global variable or some other specifier.
Dar Scott
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