/* Provide our own implementations for some operators */ %ignore IMP::algebra::SphericalVector3D::operator[]; %extend IMP::algebra::SphericalVector3D { double __getitem__(unsigned int index) const { if (index >= 3) throw IMP::IndexException(""); return self->operator[](index); } void __setitem__(unsigned int index, double val) { self->operator[](index) = val; } }; %include "IMP/algebra/SphericalVector3D.h"