nestedsamplers.py 文件源码

def update(self, pointvol):
        """Update the N-sphere radii using the current set of live points."""

        # Initialize a K-D Tree to assist nearest neighbor searches.
        kdtree = spatial.KDTree(self.live_u)

        # Check if we should use the provided pool for updating.
        if self.use_pool_update:
            pool = self.pool
        else:
            pool = None

        # Update the N-spheres.
        self.radfriends.update(self.live_u, pointvol=pointvol,
                               rstate=self.rstate, bootstrap=self.bootstrap,
                               pool=pool, kdtree=kdtree)
        if self.enlarge != 1.:
            self.radfriends.scale_to_vol(self.radfriends.vol_ball *
                                         self.enlarge)

        return copy.deepcopy(self.radfriends)