Added utility functions to util.py

1 files changed, 22 insertions, 0 deletions

diff --git a/python/util.py b/python/util.py
index 3101edf..390b831 100644
--- a/python/util.py
+++ b/python/util.py
@@ -12,6 +12,28 @@ def has_token_sequence(code, sequence):
             return True
     return False
 
+def almost_equal(a, b, prec=1):
+    """ Compares values a and b using at most <code>prec</code> decimal values. """
+    return int(a*10**prec) == int(b*10**prec)
+
+def string_almost_equal(s, a, prec=1):
+    """ Searches string s for a value that is almost equal to a.
+
+    Args:
+        s (str): string to search
+        a (float): value to find in string
+
+    Returns:
+        bool: True if successful, else False
+    """
+    for v in s.split():
+        try:
+            if almost_equal(float(v), a, prec):
+                return True
+        except:
+            pass
+    return False 
+
 if __name__ == '__main__':
     print(has_token_sequence('x + y >= 0', ['>=', '0']))
     print(has_token_sequence('x + y > 0', ['>=', '0']))