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Expose usearch distance functions in C bindings#4

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Ngalstyan4 merged 1 commit intopg-rebasefrom
feature/narek-expose-distance-funcs
Aug 11, 2023
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Expose usearch distance functions in C bindings#4
Ngalstyan4 merged 1 commit intopg-rebasefrom
feature/narek-expose-distance-funcs

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@Ngalstyan4 Ngalstyan4 commented Aug 11, 2023 •
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This can then be used to directly used usearch's optimized distance functions.
Lantern example diff:

@@ -179,6 +179,7 @@ static float4 calc_distance(ArrayType *a, ArrayType *b)
     if(a_dim != b_dim) {
         elog(ERROR, "expected equally sized arrays but got arrays with dimensions %d and %d", a_dim, b_dim);
     }
+    return usearch_dist(ax, bx, usearch_metric_l2sq_k, a_dim, usearch_scalar_f32_k);

     return l2sq_dist_impl(ax, bx, a_dim);
 }

@Ngalstyan4 Ngalstyan4 mentioned this pull request Aug 11, 2023
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@Ngalstyan4 Ngalstyan4 merged commit 1ca8598 into pg-rebase Aug 11, 2023
@Ngalstyan4 Ngalstyan4 deleted the feature/narek-expose-distance-funcs branch August 11, 2023 16:12
@var77 var77 mentioned this pull request Aug 12, 2023
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