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| MRMESH_API bool | MR::checkDeloneQuadrangle (const Vector3d &a, const Vector3d &b, const Vector3d &c, const Vector3d &d, double maxAngleChange=DBL_MAX) | 
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| MRMESH_API bool | MR::checkDeloneQuadrangle (const Vector3f &a, const Vector3f &b, const Vector3f &c, const Vector3f &d, float maxAngleChange=FLT_MAX) | 
|  | converts arguments in double and calls above function 
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| MRMESH_API FlipEdge | MR::canFlipEdge (const MeshTopology &topology, EdgeId edge, const FaceBitSet *region=nullptr, const UndirectedEdgeBitSet *notFlippable=nullptr, const VertBitSet *vertRegion=nullptr) | 
|  | consider topology and constraints to decide about flip possibility 
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| MRMESH_API bool | MR::checkDeloneQuadrangleInMesh (const Mesh &mesh, EdgeId edge, const DeloneSettings &settings={}, float *deviationSqAfterFlip=nullptr) | 
|  | squared surface deviation after flip is written here (at least when the function returns false) 
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| MRMESH_API bool | MR::checkDeloneQuadrangleInMesh (const MeshTopology &topology, const VertCoords &points, EdgeId edge, const DeloneSettings &settings={}, float *deviationSqAfterFlip=nullptr) | 
|  | squared surface deviation after flip is written here (at least when the function returns false) 
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| MRMESH_API bool | MR::bestQuadrangleDiagonal (const Vector3f &a, const Vector3f &b, const Vector3f &c, const Vector3f &d) | 
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| MRMESH_API void | MR::makeDeloneOriginRing (Mesh &mesh, EdgeId e, const DeloneSettings &settings={}) | 
|  | improves mesh triangulation in a ring of vertices with common origin and represented by edge e 
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| MRMESH_API void | MR::makeDeloneOriginRing (MeshTopology &topology, const VertCoords &points, EdgeId e, const DeloneSettings &settings={}) | 
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| MRMESH_API int | MR::makeDeloneEdgeFlips (Mesh &mesh, const DeloneSettings &settings={}, int numIters=1, const ProgressCallback &progressCallback={}) | 
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| MRMESH_API int | MR::makeDeloneEdgeFlips (MeshTopology &topology, const VertCoords &points, const DeloneSettings &settings={}, int numIters=1, const ProgressCallback &progressCallback={}) | 
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| MRMESH_API int | MR::makeDeloneEdgeFlips (EdgeLengthMesh &mesh, const IntrinsicDeloneSettings &settings={}, int numIters=1, const ProgressCallback &progressCallback={}) | 
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