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annotate fft/native/bqfft/README.txt @ 40:223f770b5341 kissfft-double tip

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Try a double-precision kissfft
author Chris Cannam
date Wed, 07 Sep 2016 10:40:32 +0100
parents cf59817a5983
children
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Chris@29 1
Chris@29 2 bqfft
Chris@29 3 =====
Chris@29 4
Chris@29 5 A small library wrapping various FFT implementations for some common
Chris@29 6 audio processing use cases. Note this is not a general FFT interface,
Chris@29 7 as it handles only power-of-two FFT sizes and real inputs.
Chris@29 8
Chris@29 9 Requires the bqvec library.
Chris@29 10
Chris@29 11 C++ standard required: C++98 (does not use C++11)
Chris@29 12
Chris@29 13 Copyright 2007-2015 Particular Programs Ltd.
Chris@29 14
Chris@29 15 This code originated as part of the Rubber Band Library written by the
Chris@29 16 same authors (see https://bitbucket.org/breakfastquay/rubberband/).
Chris@29 17 It has been pulled out into a separate library and relicensed under a
Chris@29 18 more permissive licence: a BSD/MIT-style licence, as opposed to the
Chris@29 19 GPL used for Rubber Band. See the file COPYING for details.
Chris@29 20