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gf: mesh. const_iterator and add cbegin

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- for meshes :
clean concept w/ doc, add cbegin, and changed
iterator to const_iterator (more standard name).
This commit is contained in:
Olivier Parcollet 2013-08-24 17:24:02 +02:00
parent 7898bd8d88
commit 165b44a081
5 changed files with 20 additions and 14 deletions
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2
triqs/gfs/block.hpp
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@ -142,7 +142,7 @@ namespace triqs { namespace gfs {
public boost::iterator_facade< block_gf_iterator<Target,Opt>, typename Target::view_type , boost::forward_traversal_tag, typename Target::view_type > {
friend class boost::iterator_core_access;
typedef gf_view<block_index,Target,Opt> big_gf_t;
typedef typename big_gf_t::mesh_t::iterator mesh_iterator_t;
typedef typename big_gf_t::mesh_t::const_iterator mesh_iterator_t;
big_gf_t big_gf;
mesh_iterator_t mesh_it;

4
triqs/gfs/gf.hpp
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@ -35,8 +35,8 @@ namespace triqs { namespace gfs {
// GENERALISE matrxi TO DEFAULT
template<typename Variable, typename Opt=void> struct mesh;
template<typename Variable, typename Target=matrix_valued, typename Opt=void> class gf; // the value class
template<typename Variable, typename Target=matrix_valued, typename Opt=void> class gf_view; // the view class
template<typename Variable, typename Target=matrix_valued, typename Opt=void> class gf; // the regular type
template<typename Variable, typename Target=matrix_valued, typename Opt=void> class gf_view; // the view type
// various implementation traits
namespace gfs_implementation { // never use using of this...

8
triqs/gfs/meshes/discrete.hpp
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@ -61,9 +61,11 @@ namespace triqs { namespace gfs {
mesh_point_t operator[](index_t i) const { return mesh_point_t (*this,i);}
/// Iterating on all the points...
typedef mesh_pt_generator<discrete_mesh> iterator;
iterator begin() const { return iterator (this);}
iterator end() const { return iterator (this, true);}
typedef mesh_pt_generator<discrete_mesh> const_iterator;
const_iterator begin() const { return const_iterator (this);}
const_iterator end() const { return const_iterator (this, true);}
const_iterator cbegin() const { return const_iterator (this);}
const_iterator cend() const { return const_iterator (this, true);}
/// Mesh comparison
bool operator == (discrete_mesh const & M) const { return (_dom == M._dom) ;}

12
triqs/gfs/meshes/linear.hpp
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@ -37,6 +37,8 @@ namespace triqs { namespace gfs {
typedef size_t index_t;
typedef typename domain_t::point_t domain_pt_t;
linear_mesh () : _dom(), L(0), a_pt(0), b_pt(0), xmin(0), xmax(0), del(0), meshk(half_bins) {}
linear_mesh (domain_t const & dom, double a, double b, size_t n_pts, mesh_kind mk) :
_dom(dom), L(n_pts), a_pt(a), b_pt(b), meshk(mk) {
switch(mk) {
@ -57,8 +59,6 @@ namespace triqs { namespace gfs {
xmax = xmin + del*(L-1);
}
linear_mesh () : _dom(), L(0), a_pt(0), b_pt(0), xmin(0), xmax(0), del(0), meshk(half_bins) {}
domain_t const & domain() const { return _dom;}
size_t size() const { return L; }
double delta() const { return del; }
@ -110,9 +110,11 @@ namespace triqs { namespace gfs {
public:
/// Iterating on all the points...
typedef mesh_pt_generator<linear_mesh> iterator;
iterator begin() const { return iterator (this);}
iterator end() const { return iterator (this, true);}
typedef mesh_pt_generator<linear_mesh> const_iterator;
const_iterator begin() const { return const_iterator (this);}
const_iterator end() const { return const_iterator (this, true);}
const_iterator cbegin() const { return const_iterator (this);}
const_iterator cend() const { return const_iterator (this, true);}
/// Mesh comparison
bool operator == (linear_mesh const & M) const { return ((_dom == M._dom) && (size() ==M.size()) && (std::abs(xmin - M.xmin)<1.e-15) && (std::abs(xmax - M.xmax)<1.e-15));}

8
triqs/gfs/meshes/product.hpp
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@ -107,9 +107,11 @@ namespace triqs { namespace gfs {
mesh_point_t operator()(typename Meshes::index_t ... i) const { return (*this)[std::make_tuple(i...)];}
/// Iterating on all the points...
typedef mesh_pt_generator<mesh_product> iterator;
iterator begin() const { return iterator (this);}
iterator end() const { return iterator (this, true);}
typedef mesh_pt_generator<mesh_product> const_iterator;
const_iterator begin() const { return const_iterator (this);}
const_iterator end() const { return const_iterator (this, true);}
const_iterator cbegin() const { return const_iterator (this);}
const_iterator cend() const { return const_iterator (this, true);}
/// Mesh comparison
friend bool operator == (mesh_product const & M1, mesh_product const & M2) { return M1.m_tuple==M2.m_tuple; }