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| author | arseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640> | 2010-05-29 13:12:46 +0000 |
|---|---|---|
| committer | arseny.kapoulkine <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640> | 2010-05-29 13:12:46 +0000 |
| commit | d3419f2f4bcac79065a8067d41630bd702046eb8 (patch) | |
| tree | 7ea5eacaa28051d1d01ce4f76e0f746512e127d6 /src/pugixpath.cpp | |
| parent | f262cbb6bea6b384a7fcdee837cda6c51a64fd99 (diff) | |
Added round_nearest_nzero explanation
git-svn-id: http://pugixml.googlecode.com/svn/trunk@462 99668b35-9821-0410-8761-19e4c4f06640
Diffstat (limited to 'src/pugixpath.cpp')
| -rw-r--r-- | src/pugixpath.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/pugixpath.cpp b/src/pugixpath.cpp index d20baad..2296814 100644 --- a/src/pugixpath.cpp +++ b/src/pugixpath.cpp @@ -444,6 +444,7 @@ namespace double round_nearest_nzero(double value)
{
// same as round_nearest, but returns -0 for [-0.5, -0]
+ // ceil is used to differentiate between +0 and -0 (we return -0 for [-0.5, -0] and +0 for +0)
return (value >= -0.5 && value <= 0) ? ceil(value) : floor(value + 0.5);
}
|