comparison dsp/segmentation/ClusterMeltSegmenter.cpp @ 114:f6ccde089491 pvoc

Tidy real-to-complex FFT -- forward and inverse have different arguments, so make them separate functions; document
author Chris Cannam
date Wed, 02 Oct 2013 15:04:38 +0100
parents e5907ae6de17
children e4a57215ddee
comparison
equal deleted inserted replaced
113:3cb359d043f0 114:f6ccde089491
207 frame[i + fftsize/2] = value; 207 frame[i + fftsize/2] = value;
208 } 208 }
209 209
210 window->cut(frame); 210 window->cut(frame);
211 211
212 fft->process(false, frame, real, imag); 212 fft->forward(frame, real, imag);
213 213
214 constq->process(real, imag, cqre, cqim); 214 constq->process(real, imag, cqre, cqim);
215 215
216 for (int i = 0; i < ncoeff; ++i) { 216 for (int i = 0; i < ncoeff; ++i) {
217 cq[i] += sqrt(cqre[i] * cqre[i] + cqim[i] * cqim[i]); 217 cq[i] += sqrt(cqre[i] * cqre[i] + cqim[i] * cqim[i]);