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Rewrites don't preserve global phase #598
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bug
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We should be keeping the pytket global phase on the circuit metadata. Do you have a failing example? (There's currently no way for rewrites to modify the phase) |
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There is no phase tracking, and no phase gate in the standard set.
It is not a natural fit because it is a non-dataflow global operation. Almost like metadata?
Phase only matters in certain kinds of circuit composition (e.g. quantum control).
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