Reed Solomon — OZONE Asylum, home of the Mad Scientists

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Your Text: Insert Slimies » Insert UBB Code » Close Last Tag \| All Tags UBB Help	Based on the signatures of the functions, I'm guessing that what they mean by 'index form' is a bit mask. Each location in the mask that is 0 corresponds to a term in the function with a coefficient of 0. Each bit in the mask that is non-zero (1) corresponds to a term in the equations that is non-zero. Does the library have a standard table of coefficient it uses? If that is the case, this method of defining the functions begins to make sense. It would also mean that you don't have to worry about picking coefficients that will create a primitive polynomial. The author of the library has already done that work. If that assumption is correct, then you define the generating function by specifying a bit-mask with the non-zero terms of the function set to 1. THis would be the value passed to gfpoly. The draw-back to this is that since you have a dataset with a specific generating function, I don't think this library will decode the dataset unless the coefficients of the generating function happen to be the same as the ones used by the library. I'm just guessing here and may have just made a completely incorrect assumption. . -- not necessarily stoned... just beautiful. [url=http://www.hyperbole-software.com/] [img]http://www.hyperbole-software.com/ozone/hyperbole-88x33.gif[/img] [/url] Loading...
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