565 cvPreprocessVarType( const CvMat* var_type, const CvMat* var_idx,  in cvPreprocessVarType()  argument
601     if( var_idx )  in cvPreprocessVarType()
603         if( !CV_IS_MAT(var_idx) || CV_MAT_TYPE(var_idx->type) != CV_32SC1 ||  in cvPreprocessVarType()
604             var_idx->rows != 1 && var_idx->cols != 1 || !CV_IS_MAT_CONT(var_idx->type) )  in cvPreprocessVarType()
606         if( var_idx->rows + var_idx->cols - 1 > var_count )  in cvPreprocessVarType()
608         map = var_idx->data.i;  in cvPreprocessVarType()
609         var_count = var_idx->rows + var_idx->cols - 1;  in cvPreprocessVarType()
840                    const CvMat* var_idx, const CvMat* sample_idx,  in cvGetTrainSamples()  argument
858     var_count = var_idx ? var_idx->cols + var_idx->rows - 1 :  in cvGetTrainSamples()
869     copy_data = tflag != CV_ROW_SAMPLE || var_idx || always_copy_data;  in cvGetTrainSamples()
877     v_idx = var_idx ? var_idx->data.i : 0;  in cvGetTrainSamples()
955                     const CvMat* var_idx,  in cvPrepareTrainData()  argument
1010     if( var_idx )  in cvPrepareTrainData()
1011         CV_CALL( _var_idx = cvPreprocessIndexArray( var_idx, var_all ));  in cvPrepareTrainData()