Adding an optional tolerance argument to the getUnion subroutine.

CASL / Futility

VERA Fortran Utilities

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Adding an optional tolerance argument to the getUnion subroutine. #166

Closed djabaay closed 5 years ago

djabaay commented 5 years ago

Description: The default behavior of this routine used the .APPROXEQ. comparison, which can be too fine in some circumstances. Default tolerance is EPSREAL.

Added unit tests for optional input.

CASL Ticket # - N/A