197 #define ACDET_EXP (2*(DFRACT_BITS+sbrScaleFactor->lb_scale+10-ac.det_scale))
250   ACORR_COEFS ac;  in lppTransposer()  local
383 … acDetScale += autoCorr2nd_cplx(&ac, lowBandReal+LPC_ORDER, lowBandImag+LPC_ORDER, autoCorrLength);  in lppTransposer()
387         acDetScale += autoCorr2nd_real(&ac, lowBandReal+LPC_ORDER, autoCorrLength);  in lppTransposer()
393       acDetScale += ac.det_scale;   /* ac scaling of determinant */  in lppTransposer()
405     if (ac.det != FL2FXCONST_DBL(0.0f)) {  in lppTransposer()
408       absDet = fixp_abs(ac.det);  in lppTransposer()
411         tmp = ( fMultDiv2(ac.r01r,ac.r12r) >> (LPC_SCALE_FACTOR-1) ) -  in lppTransposer()
412               ( (fMultDiv2(ac.r01i,ac.r12i) + fMultDiv2(ac.r02r,ac.r11r)) >> (LPC_SCALE_FACTOR-1) );  in lppTransposer()
415         tmp = ( fMultDiv2(ac.r01r,ac.r12r) >> (LPC_SCALE_FACTOR-1) ) -  in lppTransposer()
416               ( fMultDiv2(ac.r02r,ac.r11r) >> (LPC_SCALE_FACTOR-1) );  in lppTransposer()
426         scale = scale+ac.det_scale;  in lppTransposer()
433           if((tmp<FL2FX_DBL(0.0f)) ^ (ac.det<FL2FX_DBL(0.0f))) {  in lppTransposer()
441         tmp =  ( fMultDiv2(ac.r01i,ac.r12r) >> (LPC_SCALE_FACTOR-1) ) +  in lppTransposer()
442 …  ( (fMultDiv2(ac.r01r,ac.r12i) - (FIXP_DBL)fMultDiv2(ac.r02i,ac.r11r)) >> (LPC_SCALE_FACTOR-1) ) ;  in lppTransposer()
452           scale = scale+ac.det_scale;  in lppTransposer()
459             if((tmp<FL2FX_DBL(0.0f)) ^ (ac.det<FL2FX_DBL(0.0f))) {  in lppTransposer()
471     if ( ac.r11r != FL2FXCONST_DBL(0.0f) ) {  in lppTransposer()
477         tmp = (ac.r01r>>(LPC_SCALE_FACTOR+1)) +  in lppTransposer()
478               (fMultDiv2(alphar[1],ac.r12r) + fMultDiv2(alphai[1],ac.r12i));  in lppTransposer()
481         if(ac.r01r>=FL2FXCONST_DBL(0.0f))  in lppTransposer()
482           tmp = (ac.r01r>>(LPC_SCALE_FACTOR+1)) + fMultDiv2(alphar[1],ac.r12r);  in lppTransposer()
484           tmp = -((-ac.r01r)>>(LPC_SCALE_FACTOR+1)) + fMultDiv2(alphar[1],ac.r12r);  in lppTransposer()
493       if (absTmp >= (ac.r11r>>1)) {  in lppTransposer()
498         FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);  in lppTransposer()
501         if((tmp>FL2FX_DBL(0.0f)) ^ (ac.r11r<FL2FX_DBL(0.0f)))  in lppTransposer()
507         tmp = (ac.r01i>>(LPC_SCALE_FACTOR+1)) +  in lppTransposer()
508               (fMultDiv2(alphai[1],ac.r12r) - fMultDiv2(alphar[1],ac.r12i));  in lppTransposer()
515         if (absTmp >= (ac.r11r>>1)) {  in lppTransposer()
520           FIXP_DBL result = fDivNorm(absTmp, fixp_abs(ac.r11r), &scale);  in lppTransposer()
522           if((tmp>FL2FX_DBL(0.0f)) ^ (ac.r11r<FL2FX_DBL(0.0f)))  in lppTransposer()
552       if(ac.r11r==FL2FXCONST_DBL(0.0f)) {  in lppTransposer()
556         if ( fixp_abs(ac.r01r) >= fixp_abs(ac.r11r) ) {  in lppTransposer()
557           if ( fMultDiv2(ac.r01r,ac.r11r) < FL2FX_DBL(0.0f)) {  in lppTransposer()
566           FIXP_DBL result = fDivNorm(fixp_abs(ac.r01r), fixp_abs(ac.r11r), &scale);  in lppTransposer()
569           if(!((ac.r01r<FL2FX_DBL(0.0f)) ^ (ac.r11r<FL2FX_DBL(0.0f)))) {  in lppTransposer()