/usr/include/JAGS/sampler/SingletonGraphView.h is in jags 4.1.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #ifndef SINGLETON_GRAPH_VIEW_H_
#define SINGLETON_GRAPH_VIEW_H_
#include <sampler/GraphView.h>
namespace jags {
/**
* @short GraphView for a single stochastic node.
*
* The SingletonGraphView class provides a simplified interface to
* the GraphView class when there is only a single node to be
* sampled. It should be used in preference to GraphView by any
* Sampler that acts on a single node.
*
* Note that this class is not just syntactic sugar: it provides a
* compile-time guarantee that only one StochasticNode is being
* sampled.
*/
class SingletonGraphView : public GraphView {
public:
/**
* Constructor
*
* @param node Node to be sampled
*
* @param graph Graph within which sampling is to take place.
*/
SingletonGraphView(StochasticNode * node, Graph const &graph)
: GraphView(std::vector<StochasticNode *>(1, node), graph, false)
{}
/**
* Returns the sampled node.
*/
inline StochasticNode * node() const
{
return nodes()[0];
}
};
} /* namespace jags */
#endif /* SINGLETON_GRAPH_VIEW_H_ */
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