public static bool a_star_in_composition(Intarray inputs,
Intarray vertices1,
Intarray vertices2,
Intarray outputs,
Floatarray costs,
OcroFST fst1,
OcroFST fst2)
{
CompositionFst composition = FstFactory.MakeCompositionFst(fst1, fst2);
bool result;
try
{
//Floatarray g1 = new Floatarray();
//Floatarray g2 = new Floatarray();
fst1.CalculateHeuristics();
fst2.CalculateHeuristics();
result = a_star2_internal(inputs, vertices1, vertices2, outputs,
costs, fst1, fst2,
fst1.Heuristics(),
fst2.Heuristics(), composition);
}
catch (Exception ex)
{
composition.Move1();
composition.Move2();
throw ex;
}
composition.Move1();
composition.Move2();
return(result);
}
public static bool a_star_in_composition(Intarray inputs,
Intarray vertices1,
Intarray vertices2,
Intarray outputs,
Floatarray costs,
OcroFST fst1,
Floatarray g1,
OcroFST fst2,
Floatarray g2)
{
CompositionFst composition = FstFactory.MakeCompositionFst(fst1, fst2);
bool result;
try
{
result = a_star2_internal(inputs, vertices1, vertices2, outputs,
costs, fst1, fst2,
g1,
g2, composition);
}
catch (Exception ex)
{
composition.Move1();
composition.Move2();
throw ex;
}
composition.Move1();
composition.Move2();
return(result);
}
public static void a_star_backwards(Floatarray costs_for_all_nodes, IGenericFst fst)
{
IGenericFst reverse = FstFactory.MakeOcroFST();
FstUtil.fst_copy_reverse(reverse, fst, true); // creates an extra vertex
AStarSearch a = new AStarSearch(reverse);
a.Loop();
costs_for_all_nodes.Copy(a.g);
costs_for_all_nodes.Pop(); // remove the extra vertex
}
/// <summary>
/// Compose two FSTs.
/// This function copies the composition of two given FSTs.
/// That causes expansion (storing all arcs explicitly).
/// </summary>
public static void fst_expand_composition(IGenericFst outf, OcroFST f1, OcroFST f2)
{
CompositionFst composition = FstFactory.MakeCompositionFst(f1, f2);
try
{
fst_copy(outf, composition);
}
catch (Exception ex)
{
composition.Move1();
composition.Move2();
throw ex;
}
composition.Move1();
composition.Move2();
}