[geos-devel] [GEOS] #397: Conditional jump or move depends on uninitialised value(s)

[GEOS]

#397: Conditional jump or move depends on uninitialised value(s)
------------------------+---------------------------------------------------
 Reporter:  strk        |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  major       |   Milestone:                            
Component:  Default     |     Version:  3.0.3                     
 Severity:  Unassigned  |    Keywords:                            
------------------------+---------------------------------------------------
 A single test from tests/buffer.xml (case 18) triggers 228 conditional
 jumps based on uninitialized value errors:

 {{{
 ==21472== Conditional jump or move depends on uninitialised value(s)
 ==21472==    at 0x509C078:
 geos::geom::Coordinate::equals2D(geos::geom::Coordinate const&) const
 (Coordinate.inl:86)
 ==21472==    by 0x509C474: geos::geom::operator==(geos::geom::Coordinate
 const&, geos::geom::Coordinate const&) (Coordinate.inl:166)
 ==21472==    by 0x50B6CD0:
 geos::algorithm::LineIntersector::computeEdgeDistance(geos::geom::Coordinate
 const&, geos::geom::Coordinate const&, geos::geom::Coordinate const&)
 (LineIntersector.cpp:64)
 ==21472==    by 0x50B76B7:
 geos::algorithm::LineIntersector::getEdgeDistance(int, int) const
 (LineIntersector.cpp:187)
 ==21472==    by 0x510CC5C:
 geos::geomgraph::Edge::addIntersection(geos::algorithm::LineIntersector*,
 int, int, int) (Edge.cpp:165)
 ==21472==    by 0x510CBE6:
 geos::geomgraph::Edge::addIntersections(geos::algorithm::LineIntersector*,
 int, int) (Edge.cpp:149)
 ==21472==    by 0x5138A18:
 geos::geomgraph::index::SegmentIntersector::addIntersections(geos::geomgraph::Edge*,
 int, geos::geomgraph::Edge*, int) (SegmentIntersector.cpp:175)
 ==21472==    by 0x5137E73:
 geos::geomgraph::index::MonotoneChainEdge::computeIntersectsForChain(int,
 int, geos::geomgraph::index::MonotoneChainEdge const&, int, int,
 geos::geomgraph::index::SegmentIntersector&) (MonotoneChainEdge.cpp:129)
 ==21472==    by 0x5138022:
 geos::geomgraph::index::MonotoneChainEdge::computeIntersectsForChain(int,
 int, geos::geomgraph::index::MonotoneChainEdge const&, int, int,
 geos::geomgraph::index::SegmentIntersector&) (MonotoneChainEdge.cpp:157)
 ==21472==    by 0x5138022:
 geos::geomgraph::index::MonotoneChainEdge::computeIntersectsForChain(int,
 int, geos::geomgraph::index::MonotoneChainEdge const&, int, int,
 geos::geomgraph::index::SegmentIntersector&) (MonotoneChainEdge.cpp:157)
 ==21472==    by 0x5137E01:
 geos::geomgraph::index::MonotoneChainEdge::computeIntersectsForChain(int,
 geos::geomgraph::index::MonotoneChainEdge const&, int,
 geos::geomgraph::index::SegmentIntersector&) (MonotoneChainEdge.cpp:119)
 ==21472==    by 0x513A345:
 geos::geomgraph::index::MonotoneChain::computeIntersections(geos::geomgraph::index::MonotoneChain*,
 geos::geomgraph::index::SegmentIntersector*) (MonotoneChain.h:58)
 }}}

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Ticket URL: <http://trac.osgeo.org/geos/ticket/397>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).