Make EngFormatter use math font when usetex is True

pharshalp · pharshalp · commit 61a0cdd7cab3 · 2018-11-20T00:40:44.000-05:00
diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
@@ -1283,9 +1283,12 @@ def format_eng(self, num):
             pow10 += 3
 
         prefix = self.ENG_PREFIXES[int(pow10)]
-
-        formatted = "{mant:{fmt}}{sep}{prefix}".format(
-            mant=mant, sep=self.sep, prefix=prefix, fmt=fmt)
+        if rcParams['text.usetex']:
+            formatted = "${mant:{fmt}}${sep}{prefix}".format(
+                mant=mant, sep=self.sep, prefix=prefix, fmt=fmt)
+        else:
+            formatted = "{mant:{fmt}}{sep}{prefix}".format(
+                mant=mant, sep=self.sep, prefix=prefix, fmt=fmt)
 
         return formatted
 
