Changeset 2314 for inundation/pyvolution/util.py

Timestamp:

Feb 1, 2006, 3:27:53 PM (19 years ago)

Author:

sexton

Message:

Investigating 0/0 and 1/0 in apply_expression_to_dictionary

File:

• inundation/pyvolution/util.py (modified) (2 diffs)

inundation/pyvolution/util.py

@@ -509 +509 @@
                 will be evaluated by expression.
                 Values in dictionary must support operators given in
-                expression e.g. by overloading                
+                expression e.g. by overloading
+
+    due to a limitation with Numeric, this can not evaluate 0/0
+    In general, the user can fix by adding 1e-30 to the numerator.
+    SciPy core can handle this situation.
     """
 
@@ -532 +536 @@
         msg = 'Expression "%s" could not be evaluated: %s' %(expression, e)
         raise NameError, msg
+    except ValueError, e:
+        msg = 'Expression "%s" could not be evaluated: %s' %(expression, e)
+        raise ValueError, msg