add dimension() to constraints

Author: alphaville

python/opengen/constraints/affine_space.py

@@ -54,3 +54,6 @@ def is_compact(self):
         """Affine spaces are not compact sets
         """
         return False
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/ball1.py

@@ -73,3 +73,6 @@ def is_convex(self):
 
     def is_compact(self):
         return True
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/ball2.py

@@ -91,3 +91,6 @@ def is_convex(self):
 
     def is_compact(self):
         return True
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/ball_inf.py

@@ -88,3 +88,6 @@ def is_convex(self):
 
     def is_compact(self):
         return True
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/cartesian.py

@@ -124,3 +124,6 @@ def is_compact(self):
             if not set_i.is_compact():
                 return False
         return True
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/constraint.py

@@ -32,3 +32,12 @@ def is_compact(self):
         Whether the set is compact
         """
         return False
+
+    def dimension(self):
+        """
+        Constraint dimension
+
+        Derived classes can override this method to return the dimension of the 
+        constraint, where possible, or return `None` if the constraint does not 
+        have a fixed dimension.
+        """

python/opengen/constraints/finite_set.py

@@ -7,7 +7,7 @@
 class FiniteSet(Constraint):
     """Finite set
 
-    A set of the form :math:`A = \{a_1, a_2, \ldots, a_K\}`
+    A set of the form :math:`A = \\{a_1, a_2, \\ldots, a_K\\}`
     """
 
     def __init__(self, points=None):

python/opengen/constraints/no_constraints.py

@@ -21,3 +21,6 @@ def is_convex(self):
 
     def is_compact(self):
         return False
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/simplex.py

@@ -103,3 +103,6 @@ def is_convex(self):
     def is_compact(self):
         """Whether the set is compact (`True`)"""
         return True
+
+    def dimension(self):
+        return super().dimension()

python/opengen/constraints/soc.py

@@ -85,3 +85,6 @@ def is_convex(self):
 
     def is_compact(self):
         return False
+
+    def dimension(self):
+        return super().dimension()