2 #ifndef MATH_FRACBASE_H
3 #define MATH_FRACBASE_H
5 #include "math_nestinset.h"
11 class MathFracbaseInset : public MathNestInset {
16 bool idxUp(idx_type &, pos_type &) const;
18 bool idxDown(idx_type &, pos_type &) const;
20 bool idxLeft(idx_type &, pos_type &) const;
22 bool idxRight(idx_type &, pos_type &) const;
24 bool idxFirstUp(idx_type &, pos_type &) const;
26 bool idxFirstDown(idx_type &, pos_type &) const;
28 bool idxLastUp(idx_type &, pos_type &) const;
30 bool idxLastDown(idx_type &, pos_type &) const;