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core/intcode: fix unsigned to signed conversion function
[nihav.git]
/
nihav-core
/
src
/
io
/
intcode.rs
diff --git
a/nihav-core/src/io/intcode.rs
b/nihav-core/src/io/intcode.rs
index 55c8f859dd9a2fbc43df7dc8fb891207659aaeea..f5d128216e802212b4a69ce9e9d4429b5d9a84e4 100644
(file)
--- a/
nihav-core/src/io/intcode.rs
+++ b/
nihav-core/src/io/intcode.rs
@@
-142,7
+142,7
@@
fn read_gammap(br: &mut BitReader) -> BitReaderResult<u32> {
}
fn uval_to_sval0mp(uval: u32) -> i32 {
- if (uval & 1) != 0 { -((
uval
>> 1) as i32) }
+ if (uval & 1) != 0 { -((
(uval + 1)
>> 1) as i32) }
else { (uval >> 1) as i32 }
}