Changeset 3849 for anuga_core/source/anuga/utilities/numerical_tools.py

Timestamp:

Oct 24, 2006, 4:14:51 PM (19 years ago)

Author:

ole

Message:

Added function and test for calculating machine precision for Python Floats

File:

• anuga_core/source/anuga/utilities/numerical_tools.py (modified) (1 diff)

anuga_core/source/anuga/utilities/numerical_tools.py

@@ -288 +288 @@
     return bins
 
-
+def get_machine_precision():
+    """Calculate the machine precision for Floats
+    """
+
+    epsilon = 1.
+    while epsilon/2 + 1. > 1.:
+        epsilon /= 2
+
+    return epsilon    
 
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