add dlib optimizer

dlibcube2.py

@@ -0,0 +1,17 @@
+from dlib import find_min_global
+from randomcube2 import another_random_cube
+from utils import wrap_untrustworthy, final
+
+
+def dlib_cube(objective, n_trials, n_dim, with_count):
+    if n_dim > 35:
+        return another_random_cube(objective, n_trials, n_dim, with_count)
+
+    _objective = wrap_untrustworthy(objective, n_trials)
+
+    def __objective(*args):
+        return _objective(list(args))
+
+    find_min_global(__objective, [0.0] * n_dim, [1.0] * n_dim, n_trials)
+    fopt, xopt, feval_count = _objective(final)
+    return (fopt, xopt, feval_count) if with_count else (fopt, xopt)

notwacube.py

@@ -1,3 +1,4 @@
+from dlibcube2 import dlib_cube
 from nloptcube2 import nlopt_neldermead_cube
 from randomcube2 import another_random_cube, quasirandom_cube