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What is the use of the group defs

Wing2
We can specify these defs when doing a dbCreateGroup: unrestricted, diffNetPair, net, matchedNet, nestedNet, and symmtericNet. Could someone explain more on these defs: What are these used for? How they can be used? Thanks!

  • I think they were used for storing constraint information in a historical version of the tools (maybe in the IC5141 constraint browser?). However, it's not documented what they are for, so I don't think you should use them. So just treat these as reserved words, and use your own name.

    Regards,

    Andrew.

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