icvGetQuadrangleHypotheses  152 modules/calib3d/src/checkchessboard.cpp         icvGetQuadrangleHypotheses(first, quads, 1);
icvGetQuadrangleHypotheses  162 modules/calib3d/src/checkchessboard.cpp         icvGetQuadrangleHypotheses(first, quads, 0);