Allow checking whether a dist is contextual

metastable_baselines/misc/distTools.py

@@ -52,6 +52,11 @@ def has_diag_cov(p, numerical_check=True):
     return th.equal(cov - th.diag_embed(th.diagonal(cov, dim1=-2, dim2=-1), th.zeros_like(cov)))
 
 
+def is_contextual(p):
+    # TODO: Implement for UniveralGaussianDist
+    return False
+
+
 def get_diag_cov_vec(p, check_diag=True, numerical_check=True):
     if check_diag and not has_diag_cov(p):
         raise Exception('Cannot reduce cov-mat to diag-vec: Is not diagonal')