def expansion(self, niters=-1):
"""Do alpha-expansion for specified number of iterations.
Return total energy after the expansion moves.
If niters is set to -1, the algorithm will run until convergence."""
_cgco.gcoExpansion(self.handle, np.intc(niters),
self.energy_temp_array)
return self._convert_energy_back(self.energy_temp_array[0])
def expansion(self, niters=-1):
"""Do alpha-expansion for specified number of iterations.
Return total energy after the expansion moves.
If niters is set to -1, the algorithm will run until convergence."""
_cgco.gcoExpansion(self.handle, np.intc(niters), self.energyTempArray)
return self._convertEnergyBack(self.energyTempArray[0])