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| author |   Keisuke Kuroyanagi <ksk@google.com> | 2014-03-07 13:03:34 +0900 |
|---|---|---|
| committer | Keisuke Kuroyanagi <ksk@google.com> | 2014-03-07 14:19:52 +0900 |
| commit | a1e0ef4836f59a9fd5a2b44ecb94c27227e159c6 (patch) | |
| tree | 11d85eba7dcb21c70ef013b971e0294bd65b0692 | |
| parent | 33392248136d030463f5bac15c3cacfde320972c (diff) | |
| download | latinime-a1e0ef4836f59a9fd5a2b44ecb94c27227e159c6.tar.gz latinime-a1e0ef4836f59a9fd5a2b44ecb94c27227e159c6.tar.xz latinime-a1e0ef4836f59a9fd5a2b44ecb94c27227e159c6.zip | |
Fix: point to line segment distance can be NaN.
Change-Id: I7db6bfea925a0eda82bfb1f7b5e1110b193dabdb
| -rw-r--r-- | native/jni/src/suggest/core/layout/proximity_info_utils.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/native/jni/src/suggest/core/layout/proximity_info_utils.h b/native/jni/src/suggest/core/layout/proximity_info_utils.h index 6d2c11b09..f55ee23aa 100644 --- a/native/jni/src/suggest/core/layout/proximity_info_utils.h +++ b/native/jni/src/suggest/core/layout/proximity_info_utils.h @@ -100,6 +100,10 @@ class ProximityInfoUtils { const float dotProduct = ray1x * ray2x + ray1y * ray2y; const float lineLengthSqr = GeometryUtils::SQUARE_FLOAT(ray2x) + GeometryUtils::SQUARE_FLOAT(ray2y); + if (lineLengthSqr <= 0.0f) { + // Return point to the point distance. + return getSquaredDistanceFloat(x, y, x1, y1); + } const float projectionLengthSqr = dotProduct / lineLengthSqr; float projectionX; |