247   int    *nonzero    = alloca(sizeof(*nonzero)*vi->channels);  in mapping0_forward()  local
625         nonzero[i]=floor1_encode(opb,vb,b->flr[info->floorsubmap[submap]],  in mapping0_forward()
652                                     nonzero,  in mapping0_forward()
676             if(nonzero[j])zerobundle[ch_in_bundle]=1;  in mapping0_forward()
719   int   *nonzero  =alloca(sizeof(*nonzero)*vi->channels);  in mapping0_inverse()  local
728       nonzero[i]=1;  in mapping0_inverse()
730       nonzero[i]=0;  in mapping0_inverse()
736     if(nonzero[info->coupling_mag[i]] ||  in mapping0_inverse()
737        nonzero[info->coupling_ang[i]]){  in mapping0_inverse()
738       nonzero[info->coupling_mag[i]]=1;  in mapping0_inverse()
739       nonzero[info->coupling_ang[i]]=1;  in mapping0_inverse()
748         if(nonzero[j])  in mapping0_inverse()