change negate of Num Bit from complement## to id

MrDurion · martijnbastiaan · commit da6da56bb079 · 2025-09-20T23:37:54.000+02:00
diff --git a/changelog/2025-09-20T23_35_33+02_00_make_negate_additive_inverse_for_bit b/changelog/2025-09-20T23_35_33+02_00_make_negate_additive_inverse_for_bit
@@ -0,0 +1 @@
+CHANGED/FIXED: `negate` for `Num Bit` is now defined as the additive inverse, i.e., `negate = id`.
diff --git a/clash-prelude/src/Clash/Sized/Internal/BitVector.hs b/clash-prelude/src/Clash/Sized/Internal/BitVector.hs
@@ -369,7 +369,7 @@ instance Num Bit where
   (+)         = xor##
   (-)         = xor##
   (*)         = and##
-  negate      = complement##
+  negate      = id
   abs         = id
   signum b    = b
   fromInteger = fromInteger## 0##

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+CHANGED/FIXED: `negate` for `Num Bit` is now defined as the additive inverse, i.e., `negate = id`.