778     CvMat *_dpdr = 0, *_dpdt = 0, *_dpdc = 0, *_dpdf = 0, *_dpdk = 0;  in cvProjectPoints2()  local
904             _dpdt = dpdt;  in cvProjectPoints2()
906             CV_CALL( _dpdt = cvCreateMat( 2*count, 3, CV_64FC1 ));  in cvProjectPoints2()
907         dpdt_p = _dpdt->data.db;  in cvProjectPoints2()
908         dpdt_step = _dpdt->step/sizeof(dpdt_p[0]);  in cvProjectPoints2()
1095     if( _dpdt != dpdt )  in cvProjectPoints2()
1096         cvConvert( _dpdt, dpdt );  in cvProjectPoints2()
1112     if( _dpdt != dpdt )  in cvProjectPoints2()
1113         cvReleaseMat( &_dpdt );  in cvProjectPoints2()
1157     CvMat _dpdr, _dpdt;  in cvFindExtrinsicCameraParams2()  local
1290     cvGetCols( _J, &_dpdt, 3, 6 );  in cvFindExtrinsicCameraParams2()
1298                           _mn, &_dpdr, &_dpdt, 0, 0, 0 );  in cvFindExtrinsicCameraParams2()
1656             CvMat _Mi, _mi, _ri, _ti, _dpdr, _dpdt, _dpdf, _dpdc, _dpdk, _mp, _part;  in cvCalibrateCamera2()  local
1667             cvGetCols( _Je, &_dpdt, 3, 6 );  in cvCalibrateCamera2()
1675                 cvProjectPoints2( &_Mi, &_ri, &_ti, &_A, &_k, &_mp, &_dpdr, &_dpdt,  in cvCalibrateCamera2()