1 files changed, 7 insertions, 9 deletions
diff --git a/src/ee/formatting/__init__.py b/src/ee/formatting/__init__.py
index 5e612fe..46e99f7 100644
--- a/src/ee/formatting/__init__.py
+++ b/src/ee/formatting/__init__.py
@@ -8,10 +8,16 @@ __all__ = [
 
 
 class ESeries(object):
+    ROUND_CLOSEST = 1
+    ROUND_UP = 2
+    ROUND_DOWN = 3
+
     def __init__(self, series):
         self.series = series
 
-    def closest(self, value):
+    def closest(self, value, round_direction = ROUND_CLOSEST):
+        if round_direction != ESeries.ROUND_CLOSEST:
+            raise NotImplementedError("Only closest rounding is implemented for now")
         e = math.floor(math.log10(value))
         value = float(value / (10 ** e))
 
@@ -56,14 +62,6 @@ e48 = ESeries(_e_series_48)
 e96 = ESeries(_e_series_96)
 e192 = ESeries(_e_series_192)
 
-
-def e_series_find_closest(value):
-    e = math.floor(math.log10(value))
-    value = float(value / (10 ** e))
-
-    return min(series, key=lambda v: abs(v - value)) * 10 ** e
-
-
 import numpy