projects
/
soc.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
add comment
[soc.git]
/
src
/
soc
/
fu
/
div
/
experiment
/
goldschmidt_div_sqrt.py
diff --git
a/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
b/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
index 1f3f81a4df74891647355d4eefc58964ccc69c90..62a82706964dc839939388af8ca22d02f9bfb7f9 100644
(file)
--- a/
src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
+++ b/
src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
@@
-1100,6
+1100,7
@@
class GoldschmidtDivOp(enum.Enum):
d_times_f = Signal.like(state.d * state.f)
m.d.comb += [
d_times_f.eq(state.d * state.f),
+ # round the multiplication up
d.eq((d_times_f >> params.expanded_width)
+ (d_times_f[:params.expanded_width] != 0)),
]