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Old 10-09-2007, 08:33 AM
fortran fortran is offline
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Join Date: Oct 2003
Location: Helsinki
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realft() problem

I am using realft() in fortran. It works perfectly for arrays of size 4096 and 16384, but when I increased to 65536 or larger the fourier transform gives infinity. I checked with 2 different compilers, Intel fortran (windows) and PGF (unix). All th numebrs I tried are power of 2. Do you have any ideea why is happenig and if I can solve it some how?


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