Changeset 11958 for trunk/FACT++

Timestamp:

09/02/11 15:59:52 (13 years ago)

Author:

tbretz

Message:

Make a trick to work around the -0 problem when signalling the over current status.

File:

• trunk/FACT++/src/biasctrl.cc (modified) (1 diff)

trunk/FACT++/src/biasctrl.cc

@@ -256 +256 @@
             }
 
-            fCurrent[id]    = status ? -ddd : ddd;
+            // There is no -0 therefore we make a trick and replace it by -1.
+            // This is not harmfull, because typical zero currents are in the
+            // order of one to three bits anyway and they are never stable.
+            fCurrent[id]    = status ? -(ddd==0?1:ddd) : ddd;
             fPresent[board] = true;
         }