def increase_volume_once():
"""
Uses random volume increasing moves to increase the surface area once.
"""
# Try a random volume increasing move on a random simplex
mdata = moves.try_random(moves.list_of_volume_increasing_functions)
# If the movedata exists, apply the move
if mdata:
moves.apply_move(mdata)
def loop_once(self):
"""
Runs one iteration of the metropolis loop.
"""
# Move data for a random move on a random simplex
mdata = moves.try_random(moves.list_of_try_functions)
# If a move is topologically acceptable, check the fitness
# function, and possibly accept it. Otherwise, do nothing.
if mdata:
do_move = self.confirm_move(mdata)
if do_move:
moves.apply_move(mdata)
