boost_mirror/histogram
1
0
Fork 0
mirror of https://github.com/boostorg/histogram.git synced 2025-05-11 21:24:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

more pointer an array interface

Browse Source
This commit is contained in:
Hans Dembinski 2019-01-17 08:08:03 +01:00
parent bc6ee8f89e
commit 07b91f013f
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/boost/histogram/indexed.hpp
View File

@ -45,11 +45,19 @@ public:
decltype(auto) operator*() const noexcept { return index_iterator::base()->idx; }
};
// pointer interface for value
decltype(auto) operator*() const noexcept { return *iter_; }
decltype(auto) get() const noexcept { return *iter_; }
decltype(auto) operator-> () const noexcept { return iter_; }
// array interface for ND index
int operator[](unsigned d) const { return parent_->cache_[d].idx; }
int at(unsigned d) const { return parent_->cache_.at(d).idx; }
auto begin() const { return index_iterator(parent_->cache_.begin()); }
auto end() const { return index_iterator(parent_->cache_.end()); }
auto size() const { return parent_->cache_.size(); }
// convenience interface
template <unsigned N>
decltype(auto) bin(std::integral_constant<unsigned, N>) const {
return parent_->hist_.axis(std::integral_constant<unsigned, N>())[(*this)[N]];
@ -67,14 +75,13 @@ public:
return *iter_ / x;
}
private:
accessor(indexed_range* parent, histogram_iterator i) : parent_(parent), iter_(i) {}
decltype(auto) operator*() const noexcept { return *iter_; }
auto operator-> () const noexcept { return iter_; }
private:
indexed_range* parent_;
histogram_iterator iter_;
friend class indexed_range;
};
class range_iterator