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#ifndef TENSORFLOW_GRAPH_GRAPH_CONSTRUCTOR_H_
#define TENSORFLOW_GRAPH_GRAPH_CONSTRUCTOR_H_
#include "tensorflow/core/framework/graph.pb.h"
#include "tensorflow/core/graph/graph.h"
#include "tensorflow/core/public/status.h"
namespace tensorflow {
// Construct a graph *g out of a GraphDef gdef. Returns non-OK on
// error, in which case *g is left in an incomplete state.
struct GraphConstructorOptions {
// If true, allows internal ops in the GraphDef.
bool allow_internal_ops = false;
// If true, the graph def is expected to have fully specified
// devices for all nodes. A node in the resulting graph "g" has the
// device name set accordingly.
//
// TODO(zhifengc): if possible, consider removing this option.
bool expect_device_spec = false;
// If true, perform common subexpression elimination on the graph.
// TODO(jeff): Turn this default to true?
bool optimizer_do_cse = false;
// If "optimizer_do_cse" is true and "cse_consider_function" is
// not nullptr, then only consider nodes for CSE for which
// "cse_consider_function(node)" returns true.
std::function<bool(const Node*)> cse_consider_function = nullptr;
};
extern Status ConvertGraphDefToGraph(const GraphConstructorOptions& opts,
const GraphDef& gdef, Graph* g);
// Make a copy of "src" into "*dest".
//
// REQUIRES: "*dest" is a freshly allocated graph without any nodes or edges
// other than the implicit Source/Sink nodes.
extern void CopyGraph(const Graph& src, Graph* dest);
} // namespace tensorflow
#endif // TENSORFLOW_GRAPH_GRAPH_CONSTRUCTOR_H_
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