mcp-victorialogs

// Package faiss provides bindings to Faiss, a library for vector similarity // search. // More detailed documentation can be found at the Faiss wiki: // https://github.com/facebookresearch/faiss/wiki. package faiss /* #cgo LDFLAGS: -lfaiss_c #include <faiss/c_api/Index_c.h> #include <faiss/c_api/error_c.h> #include <faiss/c_api/utils/distances_c.h> */ import "C" import "errors" func getLastError() error { return errors.New(C.GoString(C.faiss_get_last_error())) } // Metric type const ( MetricInnerProduct = C.METRIC_INNER_PRODUCT MetricL2 = C.METRIC_L2 MetricL1 = C.METRIC_L1 MetricLinf = C.METRIC_Linf MetricLp = C.METRIC_Lp MetricCanberra = C.METRIC_Canberra MetricBrayCurtis = C.METRIC_BrayCurtis MetricJensenShannon = C.METRIC_JensenShannon ) // In-place normalization of provided vector (single) func NormalizeVector(vector []float32) []float32 { C.faiss_fvec_renorm_L2( C.size_t(len(vector)), 1, // number of vectors (*C.float)(&vector[0])) return vector }