Lines Matching full:butterflies
173 unsigned butterflyLength, butterflies, *butterflyIndex;
177 /* compute total number of L shaped butterflies */
180 butterflies = 0;
183 butterflies = (i % 2) ? butterflyLength : butterflyLength + 1;
184 butterflyLength += butterflies;
198 butterflies = (i % 2) ? butterflyLength : butterflyLength + 1;
199 butterflyLength += butterflies;
201 /* Store number of L butterflies at stage m-i*/
202 butterflyIndex[ib++] = butterflies;
235 butterflies = *butterflyIndex;
236 butterflyIndex += (butterflies + 1);
240 Since we want to compute four point butterflies directly,
242 we must bypass those two point butterflies that are decomposed
243 from previous stage's four point butterflies .
245 butterflies = *butterflyIndex++; /* number of four point butterflies */
246 ii = butterflies + 1; /* index to the two point butterflies*/
247 for (i = 0; i < butterflies; i++)
252 find those two point butterflies that are
253 decomposed from the four point butterflies
451 /* compute two radix-4 butterflies with twiddle factors */
518 compute one L shaped butterflies at each stage
540 /* Compute 4 point butterflies at stage 2 */
550 /* Compute 2 point butterflies of the last stage */
