hg: openjfx/8/graphics/rt: RT-31105: fixed NaN returned from corner-case angle computations.

[hang.vo at oracle.com]

Changeset: 30559008516b
Author:    Pavel Safrata
Date:      2013-06-17 12:50 +0100
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/30559008516b

RT-31105: fixed NaN returned from corner-case angle computations.

! javafx-ui-common/src/javafx/geometry/Point2D.java
! javafx-ui-common/src/javafx/geometry/Point3D.java
! javafx-ui-common/test/unit/javafx/geometry/Point2DTest.java
! javafx-ui-common/test/unit/javafx/geometry/Point3DTest.java