Migrate ITensorNetworksNext to ITensorBase v0.6#121
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## main #121 +/- ##
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- Coverage 74.79% 74.33% -0.46%
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Files 24 23 -1
Lines 1079 1087 +8
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+ Hits 807 808 +1
- Misses 272 279 +7
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Summary
Migrates ITensorNetworksNext to ITensorBase v0.6, which replaces the named-array core with the new
AbstractITensor{DimName}model. Tensor network vertices holdITensors built on that model across the contraction, belief-propagation, and operator-application layers. This requires ITensorBase 0.6.2 (ITensor/ITensorBase.jl#181) for name-based comparison of graded tensors and TensorAlgebra 0.9.7 (ITensor/TensorAlgebra.jl#179) for contraction labels that keep their element type.The lazy expression layer is renamed from
LazyNamedDimsArraystoLazyITensors, and its symbolic leaf is reworked into aSymbolicITensorthat builds lazy products directly and carries named structure with no array payload. The delta-tensor generators no longer depend on DiagonalArrays: a densediagonaltensor/deltahelper places values on the hyperdiagonal over either plain or named axes.Relocating the lazy and symbolic core into ITensorBase will follow in a later PR.