20#ifndef TESSERACT_TEXTORD_EQUATIONDETECTBASE_H_
21#define TESSERACT_TEXTORD_EQUATIONDETECTBASE_H_
31class ColPartitionGrid;
virtual int FindEquationParts(ColPartitionGrid *part_grid, ColPartitionSet **best_columns)=0
virtual ~EquationDetectBase()
virtual int LabelSpecialText(TO_BLOCK *to_block)=0
EquationDetectBase()=default