ceusbkwrapper to libusb error code mapping

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the edge passed in here does not cross the vertical line at x or the vertical line at x+1 (i.e. it has already been clipped to those)

header part

@OPTIMIZE: binary search

Handle completion of a transfer (completion might be an error condition). * This will invoke the user-supplied callback function, which may end up *

Examine libusb's internal list of known devices, looking for one with * a specific session ID. Returns the matching device if it was found, and * NU

Perform forward FFT of real data Accepts: input - pointer to an array of (real) input values, size nfft output_re - pointer to an array of the real pa