778     CvMat *_dpdr = 0, *_dpdt = 0, *_dpdc = 0, *_dpdf = 0, *_dpdk = 0;  in cvProjectPoints2()  local
934             _dpdc = dpdc;  in cvProjectPoints2()
936             CV_CALL( _dpdc = cvCreateMat( 2*count, 2, CV_64FC1 ));  in cvProjectPoints2()
937         dpdc_p = _dpdc->data.db;  in cvProjectPoints2()
938         dpdc_step = _dpdc->step/sizeof(dpdc_p[0]);  in cvProjectPoints2()
1099     if( _dpdc != dpdc )  in cvProjectPoints2()
1100         cvConvert( _dpdc, dpdc );  in cvProjectPoints2()
1116     if( _dpdc != dpdc )  in cvProjectPoints2()
1117         cvReleaseMat( &_dpdc );  in cvProjectPoints2()
1656             CvMat _Mi, _mi, _ri, _ti, _dpdr, _dpdt, _dpdf, _dpdc, _dpdk, _mp, _part;  in cvCalibrateCamera2()  local
1669             cvGetCols( _Ji, &_dpdc, 2, 4 );  in cvCalibrateCamera2()
1677                                   (flags & CV_CALIB_FIX_PRINCIPAL_POINT) ? 0 : &_dpdc, &_dpdk,  in cvCalibrateCamera2()