diff options
Diffstat (limited to 'Carpet/CarpetLib/src/bbox.cc')
| -rw-r--r-- | Carpet/CarpetLib/src/bbox.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Carpet/CarpetLib/src/bbox.cc b/Carpet/CarpetLib/src/bbox.cc index d2ea8dd7d..a0041edae 100644 --- a/Carpet/CarpetLib/src/bbox.cc +++ b/Carpet/CarpetLib/src/bbox.cc @@ -328,6 +328,44 @@ void bbox<T,D>::output (ostream& os) const { +// Comparison + +namespace std { + // == + template<typename T, int D> + bool equal_to<bbox<T,D> >::operator()(const bbox<T,D>& x, const bbox<T,D>& y) + const + { + if (x.empty() and y.empty()) return true; + if (x.empty() or y.empty()) return false; + /*const*/ equal_to<vect<T,D> > vect_equal_to; + if (not vect_equal_to(x.stride(), y.stride())) return false; + if (not vect_equal_to(x.lower(), y.lower())) return false; + if (not vect_equal_to(x.upper(), y.upper())) return false; + return true; + } + + // < + template<typename T, int D> + bool less<bbox<T,D> >::operator()(const bbox<T,D>& x, const bbox<T,D>& y) + const + { + // Empty bboxes compare less than any non-empty bbox + if (y.empty()) return false; + if (x.empty()) return true; + /*const*/ less<vect<T,D> > vect_less; + if (vect_less(x.stride(), y.stride())) return true; + if (vect_less(y.stride(), x.stride())) return false; + if (vect_less(x.lower(), y.lower())) return true; + if (vect_less(y.lower(), x.lower())) return false; + if (vect_less(x.upper(), y.upper())) return true; + if (vect_less(y.upper(), x.upper())) return false; + return false; + } +} + + + // Note: We need all dimensions all the time. template class bbox<int,0>; template class bbox<int,1>; @@ -335,3 +373,11 @@ template class bbox<int,2>; template class bbox<int,3>; template class bbox<int,4>; template class bbox<CCTK_REAL,dim>; + +namespace std { + template struct less<bbox<int,0> >; + template struct less<bbox<int,1> >; + template struct less<bbox<int,2> >; + template struct less<bbox<int,3> >; + template struct less<bbox<int,4> >; +} |