[CPP Runtime] Add get_distance and reconstruct_at to VamanaIndex API#315
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[CPP Runtime] Add get_distance and reconstruct_at to VamanaIndex API#315yuejiaointel wants to merge 1 commit intomainfrom
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Add get_distance() and reconstruct_at() methods to the runtime library for OpenSearch integration. These expose existing orchestrator-layer functionality through the shared library ABI. - get_distance: computes distance between a stored vector and a query - reconstruct_at: decompresses/reconstructs vectors to float32 by ID - Works with all storage kinds (FP32, FP16, SQI8, LVQ, LeanVec) - Added to both VamanaIndex (static) and DynamicVamanaIndex - Includes tests for both index types
yuejiaointel
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ahuber21,
ethanglaser and
ibhati
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Summary
get_distance()andreconstruct_at()methods to the runtime shared library (VamanaIndexandDynamicVamanaIndex)get_distancecomputes distance between a stored vector (by ID) and a query vector, returning adoublereconstruct_atdecompresses/reconstructs stored vectors back tofloat32by ID — works transparently with all storage kinds (FP32, FP16, SQI8, LVQ, LeanVec)runtime_error_wrapperin the manager, orchestrator dispatch in the impl layerNeeded for the OpenSearch release integration.