Reset slow iteration counter when doing soft restarts. See issue 18 for Py-BOBYQA

Author: lindonroberts

dfols/controller.py

@@ -107,9 +107,6 @@ def __init__(self, objfun, args, x0, r0, r0_nsamples, xl, xu, npt, rhobeg, rhoen
         self.rho = rhobeg
         self.rhoend = rhoend
         self.diffs = [0.0, 0.0, 0.0]
-        self.last_iters_step_taken = []
-        self.last_fopts_step_taken = []
-        self.num_slow_iters = 0
         self.finished_growing = False
         self.finished_halfway_growing = False
         # For measuing slow iterations
@@ -569,6 +566,11 @@ def soft_restart(self, number_of_samples, nruns_so_far, params, x_in_abs_coords_
         self.delta = self.rhobeg
         self.rho = self.rhobeg
         self.diffs = [0.0, 0.0, 0.0]
+        
+        # Forget history of slow iterations
+        self.last_iters_step_taken = []
+        self.last_fopts_step_taken = []
+        self.num_slow_iters = 0
 
         all_sq_dist = self.model.distances_to_xopt()[:self.model.npt()]
         closest_points = np.argsort(all_sq_dist)