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Fix bug in scheme switching when the LWE ring dimension is smaller than the number of slots and does not divide it. #1095

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Fix bug in scheme switching when the LWE ring dimension is smaller than the number of slots and does not divide it.#1095
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andreea-alexandru
opened on Nov 20, 2025

The issue description is here, and can be recreated in C++ for example via EvalCompareSchemeSwitching with slBin = STD128; ringDim = 1 << 12; slots = ringDim / 2.

The issue is in the computation on this line.

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