Add unsignedToSigned to util.py

2012-12-30 22:50:35 +04:00 · 2012-12-30 22:50:35 +04:00 · f473f9eafe
parent bcbdcfd2b0
commit f473f9eafe
1 changed files with 7 additions and 0 deletions
--- a/util.py
+++ b/util.py
@ -1,3 +1,10 @@
+def unsignedToSigned(i, max_positive):
+    if i < max_positive:
+        return i
+    else:
+        return i - 2 * max_positive
+
+
 def readU8(f):
    return ord(f.read(1))