Added an enum class to indicate status of RegionContraction object. Added an assert to check that the params are correct length. Added a missing initialiser so that weights are preserved.
Added an enum class to indicate status of RegionContraction object.
Added an assert to check that the params are correct length.
Added a missing initialiser so that weights are preserved.

spinicist/old_QUIT,spinicist/old_QUIT,spinicist/old_QUIT,spinicist/old_QUIT