Add '-exact' option to checkshape command to use exact method to validate edges using BRepLib_ValidateEdge class. Default mode is calculating in finite number of points.
Change BRepCheck_Analyzer::Perform algorithm from recursion to 'for' loop
Add parallelization to BRepCheck_Analyzer::Perform
Add '-parallel' option to checkshape command to use parallelization. Default mode is single-thread.
mutex as Handle