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/external/webrtc/webrtc/modules/audio_coding/codecs/isac/main/source/
Dlattice.c122 float ARf[MAX_AR_MODEL_ORDER+1][HALF_SUBFRAMELEN], ARg[MAX_AR_MODEL_ORDER+1][HALF_SUBFRAMELEN]; in WebRtcIsac_NormLatticeFilterAr() local
152 ARg[i+1][0] = sth[i]*ARf[i+1][0] + cth[i]* stateG[i]; in WebRtcIsac_NormLatticeFilterAr()
154 ARg[0][0] = ARf[0][0]; in WebRtcIsac_NormLatticeFilterAr()
160 ARf[k][n+1] = cth[k]*ARf[k+1][n+1] - sth[k]*ARg[k][n]; in WebRtcIsac_NormLatticeFilterAr()
161 ARg[k+1][n+1] = sth[k]*ARf[k+1][n+1] + cth[k]* ARg[k][n]; in WebRtcIsac_NormLatticeFilterAr()
163 ARg[0][n+1] = ARf[0][n+1]; in WebRtcIsac_NormLatticeFilterAr()
172 stateG[i] = ARg[i][HALF_SUBFRAMELEN-1]; in WebRtcIsac_NormLatticeFilterAr()