Improve display of k to avoid xxx + 0j

Signed-off-by: Chipmuenk <mail@chipmuenk.de>
chipmuenk · Oct 17, 2017 · ae2e34c · ae2e34c
1 parent fad88a3
commit ae2e34c
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/pyfda/input_widgets/filter_pz.py b/pyfda/input_widgets/filter_pz.py
@@ -387,11 +387,13 @@ def _restore_gain(self, source = None):
                 self.zpk.append(1.) # use k = 1
             else:
                 logger.error("P/Z list zpk has wrong length {0}".format(len(self.zpk)))
-
+
+            k = safe_eval(self.zpk[2], return_type='auto')
+
             if not self.ui.ledGain.hasFocus():  # no focus, round the gain
-                self.ui.ledGain.setText(str(params['FMT'].format(self.zpk[2])))
+                self.ui.ledGain.setText(str(params['FMT'].format(k)))
             else: # widget has focus, show gain with full precision
-                self.ui.ledGain.setText(str(self.zpk[2]))
+                self.ui.ledGain.setText(str(k))
 
 #------------------------------------------------------------------------------
     def _refresh_table_item(self, row, col):