From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 22 Feb 2020 17:13:26 +0000 (+0000)
Subject: must declare carry equal to width of partitions+1
X-Git-Tag: ls180-24jan2020~129
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fcbae7c6021e33bd39efd88bac76aa5df79cabc8;p=ieee754fpu.git

must declare carry equal to width of partitions+1
---

diff --git a/src/ieee754/part/partsig.py b/src/ieee754/part/partsig.py
index ea1fa3a6..33cc5fea 100644
--- a/src/ieee754/part/partsig.py
+++ b/src/ieee754/part/partsig.py
@@ -64,7 +64,7 @@ class PartitionedSignal:
     # unary ops that require partitioning
 
     def __neg__(self):
-        z = Const(0, self.sig.shape())
+        z = Const(0, len(self.partpoints)+1)
         result, _ = self.add_op(self, ~0, carry=z)  # TODO, subop
         return result
 
@@ -117,7 +117,7 @@ class PartitionedSignal:
         return (pa.output, 0)
 
     def __lshift__(self, other):
-        z = Const(0, self.sig.shape())
+        z = Const(0, len(self.partpoints)+1)
         result, _ = self.ls_op(self, other, carry=z) # TODO, carry
         return result