Pass a norm network's ket and bra layers as separate belief-propagation operands - #182
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…on operands Belief-propagation message updates on a `NormNetwork` handed the doubled vertex `ket * conj(bra)` to `contract_network` as one operand, hiding the physical index the layers share and forcing the doubled tensor every sweep, χ^(2 * degree) not χ^(degree + 1). Passing the layers separately lets the order interleave the messages. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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+ Coverage 80.17% 80.23% +0.05%
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Files 13 13
Lines 681 683 +2
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Misses 135 135
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Summary
Belief-propagation message updates on a
NormNetworkhanded the doubled vertexket * conj(bra)tocontract_networkas one operand, hiding the physical index the layers share and forcing the doubled tensor every sweep, χ^(2 * degree) not χ^(degree + 1). Passing the layers separately lets the order interleave the messages.