corrected order of 0

mlair/helpers/helpers.py

@@ -151,6 +151,9 @@ def relative_round(x: float, sig: int, ceil=False, floor=False) -> float:
 
 def get_order(x: float):
     """Get order of number (as power of 10)"""
+    if x == 0:
+        return -np.inf
+    else:
         return int(np.floor(np.log10(abs(x))))
 
 

test/test_helpers/test_helpers.py

@@ -259,7 +259,7 @@ class TestGetOrder:
 
     def test_get_order_neg_orders(self):
         assert get_order(.006) == -3
-        assert get_order(0) == 0
+        assert np.isinf(get_order(0))
         assert get_order(0.00622) == -3
         assert get_order(0.00022) == -4