Region2D regionFromXml(XMLreaderProxy const &r)
{
std::string id;
plint x0,x1,y0,y1;
try{
r["id"].read(id);
} catch (PlbIOException &e){
throw PlbIOException("Invalid Region command: No id specified");
}
try{
r["x0"].read(x0);
r["x1"].read(x1);
r["y0"].read(y0);
r["y1"].read(y1);
} catch(PlbIOException &e){
throw PlbIOException("Invalid Region command: size specifications missing");
}
if( id.compare("") == 0 )
throw PlbIOException("Invalid Region command: Unnamed region");
if( x0<0 || y0<0 || x1<0 || y1<0 || x1<x0 || y1<y0 ){
std::string errmsg("Invalid Region command: Bad size in region ");
errmsg.append(id);
throw PlbIOException(errmsg);
}
return Region2D(id,Box2D(x0,x1,y0,y1));
}
void Distribution2D::distribute(const size_t& size_x, const size_t& size_y, const size_t& num_of_nodes_by_x, const size_t& num_of_nodes_by_y) {
std::vector<Region> regions_by_x, regions_by_y;
computeRegions(size_x, num_of_nodes_by_x, regions_by_x);
computeRegions(size_y, num_of_nodes_by_y, regions_by_y);
for ( size_t node_y = 0; node_y < num_of_nodes_by_y; node_y++) {
for ( size_t node_x = 0; node_x < num_of_nodes_by_x; node_x++) {
const Region& rx = regions_by_x[node_x];
const Region& ry = regions_by_y[node_y];
this->set(node_y*num_of_nodes_by_x + node_x,
Region2D(rx.getStart(), ry.getStart(), rx.getEnd(), ry.getEnd()));
}
}
}
