wehub-resource-sync
17 lines
399 B
C++
17 lines
399 B
C++
#include "operation.h"
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#include "graph.h"
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py::object density(py::object G) {
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Graph& G_ = G.cast<Graph&>();
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int n = G_.node.size();
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int m = G.attr("number_of_edges")().cast<int>();
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if (m == 0 || n <= 1) {
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return py::cast(0);
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}
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weight_t d = m * 1.0 / (n * (n - 1));
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if(G.attr("is_directed")().equal(py::cast(false))){
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d*=2;
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}
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return py::cast(d);
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}
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