Copy states in Clifford simulator #3664
Merged
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During the (ongoing) review of #3630 95-martin-orion@ found a bug in my draft code. He said that I should copy state like in #3109. I changed my code and added a test in that PR.
However, I had inspired myself from the Clifford code which could have the same issue (I think), and so I am fixing the code in the present PR.