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Jiri (George) Lebl authored
* lib/calculus/fourier.gel: fix cosine series and fix argument checking on the fourier function creation * src/geniustests.txt, src/testfourier.gel: add tests for the fourier functions * src/graphing.c: the create plot and plot dialogs are stupid as dialogs because of the way metacity handles dialogs (annoyingly as "keep above parent") so set the hint to normal.
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