SEXP BGL_transitive_closure_D (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in )
{
using namespace boost;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in );
Graph_dd TC;
transitive_closure(g, TC);
SEXP ansList, eList, vList;
PROTECT(ansList = allocVector(VECSXP,2));
PROTECT(vList = allocMatrix(INTSXP, 1, num_vertices(TC)));
PROTECT(eList = allocMatrix(INTSXP, 2, num_edges(TC)));
Graph_dd::vertex_iterator vi, v_end;
int i = 0;
for (i = 0, tie(vi, v_end) = vertices(TC); vi != v_end; ++vi)
{
INTEGER(vList)[i++] = *vi;
}
Graph_dd::edge_iterator ei, e_end;
for (i = 0, tie(ei, e_end) = edges(TC); ei != e_end; ++ei)
{
INTEGER(eList)[i++] = source(*ei, TC);
INTEGER(eList)[i++] = target(*ei, TC);
}
SET_VECTOR_ELT(ansList,0,vList);
SET_VECTOR_ELT(ansList,1,eList);
UNPROTECT(3);
return(ansList);
}
On 5/12/06, Chris Jones <jonesc@xxxxxxxxxxxxxxxxx
> wrote:
> interfaces.cpp:371: instantiated from here
This is where you should start to look, as it appears to be where the
problem start from. Can you post whats in the file around this line.
Chris
--
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
--
Johannes Rainer, Msc
Tyrolean Cancer Research Institute
Innrain 66, 6020 Innsbruck, Austria
Tel.: +43 512 570485 15
Email: johannes.rainer@xxxxxxx
johannes.rainer@xxxxxxxxx
#include "RBGL.hpp"
#include "Basic2DMatrix.hpp"
#include <boost/graph/depth_first_search.hpp>
#include <boost/graph/breadth_first_search.hpp>
#include <boost/graph/topological_sort.hpp>
#include <boost/graph/strong_components.hpp>
#include <boost/graph/edge_connectivity.hpp>
#include <boost/graph/transitive_closure.hpp>
#include <boost/graph/biconnected_components.hpp>
#include <boost/graph/sequential_vertex_coloring.hpp>
/* need a template with C++ linkage for BFS */
/* adapted from Siek's bfs-example.cpp */
template < typename TimeMap > class bfs_time_visitor
: public boost::default_bfs_visitor {
typedef typename boost::property_traits < TimeMap >::value_type T;
public:
bfs_time_visitor(TimeMap tmap, T & t):m_timemap(tmap), m_time(t) { }
template < typename Vertex, typename Graph >
void discover_vertex(Vertex u, const Graph & g) const
{
put(m_timemap, u, m_time++);
}
TimeMap m_timemap;
T & m_time;
};
template < typename TimeMap > class dfs_time_visitor
: public boost::default_dfs_visitor {
typedef typename boost::property_traits < TimeMap >::value_type T;
public:
dfs_time_visitor(TimeMap dmap, TimeMap fmap, T & t)
: m_dtimemap(dmap), m_ftimemap(fmap), m_time(t) {
}
template < typename Vertex, typename Graph >
void discover_vertex(Vertex u, const Graph & g) const
{
put(m_dtimemap, u, m_time++);
}
template < typename Vertex, typename Graph >
void finish_vertex(Vertex u, const Graph & g) const
{
put(m_ftimemap, u, m_time++);
}
TimeMap m_dtimemap;
TimeMap m_ftimemap;
T & m_time;
};
extern "C"
{
SEXP BGL_tsort_D(SEXP num_verts_in, SEXP num_edges_in, SEXP R_edges_in)
{
// tsortbCG -- for bioConductor graph objects
using namespace boost;
typedef graph_traits < Graph_dd >::edge_descriptor Edge;
typedef graph_traits < Graph_dd >::vertex_descriptor Vertex;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in);
typedef property_map<Graph_dd, vertex_color_t>::type Color;
graph_traits<Graph_dd>::vertex_iterator viter, viter_end;
typedef std::list<Vertex> tsOrder;
tsOrder tsord;
SEXP tsout;
PROTECT(tsout = NEW_NUMERIC(INTEGER(num_verts_in)[0]));
try {
topological_sort(g, std::front_inserter(tsord));
int j = 0;
for (tsOrder::iterator i = tsord.begin();
i != tsord.end(); ++i)
{
REAL(tsout)[j] = (double) *i;
j++;
}
}
catch ( not_a_dag )
{
Rprintf("not a dag, returning zeroes\n");
for (int j = 0 ; j < INTEGER(num_verts_in)[0]; j++)
REAL(tsout)[j] = 0.0;
}
UNPROTECT(1);
return(tsout);
} // end BGL_tsort_D
SEXP BGL_bfs_D(SEXP num_verts_in, SEXP num_edges_in,
SEXP R_edges_in, SEXP R_weights_in, SEXP init_ind)
{
using namespace boost;
typedef graph_traits < Graph_dd >::edge_descriptor Edge;
typedef graph_traits < Graph_dd >::vertex_descriptor Vertex;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
typedef graph_traits < Graph_dd >::vertices_size_type size_type;
const int N = INTEGER(num_verts_in)[0];
// Typedefs
typedef size_type* Iiter;
// discover time properties
std::vector < size_type > dtime(num_vertices(g));
size_type time = 0;
bfs_time_visitor < size_type * >vis(&dtime[0], time);
breadth_first_search(g, vertex((int)INTEGER(init_ind)[0], g), visitor(vis));
// use std::sort to order the vertices by their discover time
std::vector < size_type > discover_order(N);
integer_range < size_type > r(0, N);
std::copy(r.begin(), r.end(), discover_order.begin());
std::sort(discover_order.begin(), discover_order.end(),
indirect_cmp < Iiter, std::less < size_type > >(&dtime[0]));
SEXP disc;
PROTECT(disc = allocVector(INTSXP,N));
int i;
for (i = 0; i < N; ++i)
{
INTEGER(disc)[i] = discover_order[i];
}
UNPROTECT(1);
return(disc);
}
SEXP BGL_dfs_D(SEXP num_verts_in, SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in)
{
using namespace boost;
typedef graph_traits < Graph_dd >::edge_descriptor Edge;
typedef graph_traits < Graph_dd >::vertex_descriptor Vertex;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
typedef graph_traits < Graph_dd >::vertices_size_type size_type;
const int N = INTEGER(num_verts_in)[0];
// Typedefs
typedef size_type* Iiter;
// discover time and finish time properties
std::vector < size_type > dtime(num_vertices(g));
std::vector < size_type > ftime(num_vertices(g));
size_type t = 0;
dfs_time_visitor < size_type * >vis(&dtime[0], &ftime[0], t);
depth_first_search(g, visitor(vis));
// use std::sort to order the vertices by their discover time
std::vector < size_type > discover_order(N);
integer_range < size_type > r(0, N);
std::copy(r.begin(), r.end(), discover_order.begin());
std::sort(discover_order.begin(), discover_order.end(),
indirect_cmp < Iiter, std::less < size_type > >(&dtime[0]));
std::vector < size_type > finish_order(N);
std::copy(r.begin(), r.end(), finish_order.begin());
std::sort(finish_order.begin(), finish_order.end(),
indirect_cmp < Iiter, std::less < size_type > >(&ftime[0]));
SEXP ansList;
PROTECT(ansList = allocVector(VECSXP,2));
SEXP disc;
PROTECT(disc = allocVector(INTSXP,N));
SEXP fin;
PROTECT(fin = allocVector(INTSXP,N));
int i;
for (i = 0; i < N; ++i)
{
INTEGER(disc)[i] = discover_order[i];
INTEGER(fin)[i] = finish_order[i];
}
SET_VECTOR_ELT(ansList,0,disc);
SET_VECTOR_ELT(ansList,1,fin);
UNPROTECT(3);
return(ansList);
}
SEXP BGL_connected_components_U (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in )
{
using namespace boost;
SEXP outvec;
typedef graph_traits < Graph_ud >::edge_descriptor Edge;
typedef graph_traits < Graph_ud >::vertex_descriptor Vertex;
Graph_ud g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
int nvert = INTEGER(num_verts_in)[0] ;
std::vector<int> component(num_vertices(g));
connected_components(g, &component[0]);
std::vector<int>::size_type k;
PROTECT(outvec = allocVector(REALSXP,nvert));
for (k = 0; k < component.size(); k++ )
REAL(outvec)[k] = component[k];
UNPROTECT(1);
return(outvec);
}
SEXP BGL_strong_components_D (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in )
{
using namespace boost;
SEXP outvec;
typedef graph_traits < Graph_dd >::edge_descriptor Edge;
typedef graph_traits < Graph_dd >::vertex_descriptor Vertex;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
int nvert = INTEGER(num_verts_in)[0] ;
std::vector<int> component(num_vertices(g));
strong_components(g, &component[0]);
std::vector<int>::size_type k;
PROTECT(outvec = allocVector(REALSXP,nvert));
for (k = 0; k < component.size(); k++ )
REAL(outvec)[k] = component[k];
UNPROTECT(1);
return(outvec);
}
SEXP BGL_biconnected_components_U (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in )
{
using namespace boost;
SEXP outvec;
typedef graph_traits < Graph_ud >::edge_descriptor Edge;
typedef graph_traits < Graph_ud >::vertex_descriptor Vertex;
Graph_ud g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
int ne = INTEGER(num_edges_in)[0] ;
// this is a bit cheating: use "edge_weight_t" for "edge_component_t"
property_map < Graph_ud, edge_weight_t >::type
component = get(edge_weight, g);
graph_traits < Graph_ud >::edge_iterator ei, ei_end;
for (tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
component[*ei] = (int)-1;
int num_comps = biconnected_components(g, component);
SEXP ansList, eList, nc;
PROTECT(ansList = allocVector(VECSXP,3));
PROTECT(nc = NEW_INTEGER(1));
PROTECT(eList = allocMatrix(INTSXP, 2, ne));
PROTECT(outvec = allocMatrix(INTSXP, 1, ne));
INTEGER(nc)[0] = num_comps;
int ke = 0;
int k = 0;
for (tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
{
INTEGER(eList)[ke++] = (int)source(*ei, g);
INTEGER(eList)[ke++] = (int)target(*ei, g);
INTEGER(outvec)[k++] = (int)component[*ei];
}
SET_VECTOR_ELT(ansList,0,nc);
SET_VECTOR_ELT(ansList,1,eList);
SET_VECTOR_ELT(ansList,2,outvec);
UNPROTECT(4);
return(ansList);
}
SEXP BGL_articulation_points_U (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in )
{
using namespace boost;
SEXP outvec;
typedef graph_traits < Graph_ud >::edge_descriptor Edge;
typedef graph_traits < Graph_ud >::vertex_descriptor Vertex;
Graph_ud g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
std::vector<Vertex> art_points;
articulation_points(g, std::back_inserter(art_points));
SEXP ansList, nc;
PROTECT(ansList = allocVector(VECSXP,2));
PROTECT(nc = NEW_INTEGER(1));
PROTECT(outvec = allocVector(INTSXP,art_points.size()));
INTEGER(nc)[0] = art_points.size();
for (int k = 0; k < art_points.size(); k++ )
INTEGER(outvec)[k] = art_points[k];
SET_VECTOR_ELT(ansList,0,nc);
SET_VECTOR_ELT(ansList,1,outvec);
UNPROTECT(3);
return(ansList);
}
SEXP BGL_edge_connectivity_U (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in,
SEXP R_weights_in )
{
using namespace boost;
SEXP ansList, conn, edTmp;
typedef graph_traits < Graph_ud >::edge_descriptor Edge;
typedef graph_traits < Graph_ud >::vertex_descriptor Vertex;
Graph_ud g(num_verts_in, num_edges_in, R_edges_in, R_weights_in);
typedef graph_traits<Graph_ud>::degree_size_type dst;
std::vector<Edge> disconnecting_set;
std::vector<Edge>::iterator ei;
dst c = edge_connectivity( g, std::back_inserter(disconnecting_set) );
PROTECT(conn = NEW_NUMERIC(1));
REAL(conn)[0] = (double)c;
SEXP eList;
PROTECT(ansList = allocVector(VECSXP,2));
PROTECT(eList = allocVector(VECSXP,(int)c));
SET_VECTOR_ELT(ansList,0,conn);
int sind = 0;
for (ei = disconnecting_set.begin(); ei != disconnecting_set.end();
++ei)
{
PROTECT(edTmp = NEW_NUMERIC(2));
REAL(edTmp)[0] = (double)source(*ei,g);
REAL(edTmp)[1] = (double)target(*ei,g);
SET_VECTOR_ELT(eList,sind,edTmp);
sind=sind+1;
UNPROTECT(1);
}
SET_VECTOR_ELT(ansList,1,eList);
UNPROTECT(3);
return(ansList);
}
SEXP BGL_transitive_closure_D (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in )
{
using namespace boost;
Graph_dd g(num_verts_in, num_edges_in, R_edges_in );
Graph_dd TC;
transitive_closure(g, TC);
SEXP ansList, eList, vList;
PROTECT(ansList = allocVector(VECSXP,2));
PROTECT(vList = allocMatrix(INTSXP, 1, num_vertices(TC)));
PROTECT(eList = allocMatrix(INTSXP, 2, num_edges(TC)));
Graph_dd::vertex_iterator vi, v_end;
int i = 0;
for (i = 0, tie(vi, v_end) = vertices(TC); vi != v_end; ++vi)
{
INTEGER(vList)[i++] = *vi;
}
Graph_dd::edge_iterator ei, e_end;
for (i = 0, tie(ei, e_end) = edges(TC); ei != e_end; ++ei)
{
INTEGER(eList)[i++] = source(*ei, TC);
INTEGER(eList)[i++] = target(*ei, TC);
}
SET_VECTOR_ELT(ansList,0,vList);
SET_VECTOR_ELT(ansList,1,eList);
UNPROTECT(3);
return(ansList);
}
SEXP BGL_sequential_vertex_coloring (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in)
{
using namespace boost;
typedef graph_traits < Graph_ud >::edge_descriptor Edge;
typedef graph_traits < Graph_ud >::vertex_descriptor Vertex;
typedef graph_traits < Graph_ud >::vertices_size_type Vertex_Size_Type;
typedef property_map < Graph_ud, vertex_index_t >::const_type vertex_index_map;
Graph_ud g(num_verts_in, num_edges_in, R_edges_in);
std::vector<Vertex_Size_Type> color_vec(num_vertices(g));
iterator_property_map < Vertex_Size_Type*, vertex_index_map >
color(&color_vec.front(), get(vertex_index, g));
Vertex_Size_Type n = sequential_vertex_coloring( g, color );
SEXP ansList, nc, cList;
PROTECT(ansList = allocVector(VECSXP,2));
PROTECT(nc = NEW_INTEGER(1));
PROTECT(cList = allocVector(INTSXP, num_vertices(g)));
INTEGER(nc)[0] = (int)n;
Graph_ud::vertex_iterator vi, v_end;
int i = 0;
for (tie(vi, v_end) = vertices(g); vi != v_end; ++vi)
{
INTEGER(cList)[i++] = color_vec[*vi];
}
SET_VECTOR_ELT(ansList, 0, nc);
SET_VECTOR_ELT(ansList, 1, cList);
UNPROTECT(3);
return(ansList);
}
SEXP BGL_astar_search_D (SEXP num_verts_in,
SEXP num_edges_in, SEXP R_edges_in )
{
// TODO: fill in
using namespace boost;
SEXP ansList;
return(ansList);
}
}
-- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
