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#ifndef TENSORFLOW_GRAPH_DOT_H_
#define TENSORFLOW_GRAPH_DOT_H_
#include <functional>
#include <string>
#include "tensorflow/core/platform/port.h"
namespace tensorflow {
class Edge;
class Graph;
class Node;
struct DotOptions {
bool (*include_node_function)(const Node*) = nullptr;
// By default, all nodes with the same name prefix are collapsed into
// a single node in the dot graph. This regexp can be changed so that
// only prefixes that match the regexp are collapsed in this fashion.
// 'all' collapses all ops with prefixes, 'none' disables all collapsing.
string prefix_collapse_regexp = "all";
// A function that returns a label to embed into the per-node display.
std::function<string(const Node*)> node_label;
// A function that returns a label to attach to an edge.
std::function<string(const Edge*)> edge_label;
// A function that returns the "cost" of the node. The dot display
// makes a node size proportional to its cost.
std::function<double(const Node*)> node_cost;
// A function that returns the "cost" of the edge. The dot display
// makes a edge thickness proportional to its cost.
std::function<double(const Edge*)> edge_cost;
};
// Return a string that contains a graphviz specification of the graph.
string DotGraph(const Graph& g, const DotOptions& opts);
} // namespace tensorflow
#endif // TENSORFLOW_GRAPH_DOT_H_
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