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Liam Healy authored
The expanded FFT tests with inverse and backward transformations have simplified code. Since the backward and inverse cases must be divided by the length, the complex test will not work in GSL versions prior to 1.12, nor if FSBV is missing. In these cases, the vector is computed by converting to a CL array, dividing by the length, and then converting back.
Liam Healy authoredThe expanded FFT tests with inverse and backward transformations have simplified code. Since the backward and inverse cases must be divided by the length, the complex test will not work in GSL versions prior to 1.12, nor if FSBV is missing. In these cases, the vector is computed by converting to a CL array, dividing by the length, and then converting back.