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Correctly round evaluation to grain size
author
Marco Costalba
<mcostalba@gmail.com>
Mon, 21 Feb 2011 11:45:51 +0000
(12:45 +0100)
committer
Marco Costalba
<mcostalba@gmail.com>
Wed, 23 Feb 2011 22:52:51 +0000
(23:52 +0100)
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
src/evaluate.cpp
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diff --git
a/src/evaluate.cpp
b/src/evaluate.cpp
index 3c0be19d2aa0c75d9974b6a86dfe61491d94c0df..53afc447aed901b1d39df15f63e9461cadb3cc83 100644
(file)
--- a/
src/evaluate.cpp
+++ b/
src/evaluate.cpp
@@
-1105,7
+1105,7
@@
namespace {
Value ev = Value((eg * int(sf)) / SCALE_FACTOR_NORMAL);
int result = (mg_value(v) * int(ph) + ev * int(128 - ph)) / 128;
- return Value(
result
& ~(GrainSize - 1));
+ return Value(
(result + GrainSize / 2)
& ~(GrainSize - 1));
}