2 #ifndef MATH_FRACBASE_H
3 #define MATH_FRACBASE_H
5 #include "math_nestinset.h"
11 class MathFracbaseInset : public MathNestInset {
16 bool idxUp(int &, int &) const;
18 bool idxDown(int &, int &) const;
20 bool idxLeft(int &, int &) const;
22 bool idxRight(int &, int &) const;