RotatingSymmetry90: support Cactus vectors as 4-vectors
RotatingSymmetry180: support Cactis vectors as 4-vectors
this is the same special case logic as for 3-vectors
TestRotatingSymmetry180: add tests for 4d and 4u vector-gf
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RotatingSymmetry180: support Cactis vectors as 4-vectors
this is the same special case logic as for 3-vectors
TestRotatingSymmetry180: add tests for 4d and 4u vector-gf
RotatingSymmetry90: support Cactus vectors as 4-vectors
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