[Wisp-cvs] wisp/users/dig bits.py,1.3,1.4

[<di...@us...>]

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv9173

Modified Files:
	bits.py 
Log Message:
simplified Bits.add_wyde and Bits.add_tetra

Index: bits.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/bits.py,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- bits.py	26 Apr 2003 21:08:40 -0000	1.3
+++ bits.py	26 Apr 2003 21:10:39 -0000	1.4
@@ -47,14 +47,8 @@
         this._contents.extend(a)
     def add_byte (this, ofs, value):
         this._contents[ofs] = chr((ord(this._contents[ofs]) + value) % 0x100)
-    def _add (this, ofs, value, size, tpl):
-        datum, = unpack(tpl, this._contents[ofs : ofs + size])
-        datum += value
-        datum %= 1L << (size << 3)
-        this._contents[ofs : ofs + size] = \
-            array('c', pack(this._byte_order + tpl, datum))
-    def add_wyde (this, ofs, value): this._add(ofs, value, 2, 'H')
-    def add_tetra (this, ofs, value): this._add(ofs, value, 4, 'L')
+    def add_wyde (this, ofs, value): this[ofs::2] += value
+    def add_tetra (this, ofs, value): this[ofs::4] += value
 
     def __getitem__ (this, index):
         if isinstance(index, SliceType):