1 files changed, 30 insertions, 0 deletions
diff --git a/eval/src/tests/ann/point-vector.h b/eval/src/tests/ann/point-vector.h
new file mode 100644
index 00000000000..eca60e11194
--- /dev/null
+++ b/eval/src/tests/ann/point-vector.h
@@ -0,0 +1,30 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+struct PointVector {
+    float v[NUM_DIMS];
+    using ConstArr = vespalib::ConstArrayRef<float>;
+    operator ConstArr() const { return ConstArr(v, NUM_DIMS); }
+};
+
+static PointVector *aligned_alloc(size_t num) {
+    size_t num_bytes = num * sizeof(PointVector);
+    double mega_bytes = num_bytes / (1024.0*1024.0);
+    fprintf(stderr, "allocate %.2f MB of vectors\n", mega_bytes);
+    char *mem = (char *)malloc(num_bytes + 512);
+    mem += 512;
+    size_t val = (size_t)mem;
+    size_t unalign = val % 512;
+    mem -= unalign;
+    return reinterpret_cast<PointVector *>(mem);
+}
+
+static PointVector *generatedQueries = aligned_alloc(NUM_Q);
+static PointVector *generatedDocs = aligned_alloc(NUM_DOCS);
+
+struct DocVectorAdapter : public DocVectorAccess<float>
+{
+    vespalib::ConstArrayRef<float> get(uint32_t docid) const override {
+        ASSERT_TRUE(docid < NUM_DOCS);
+        return generatedDocs[docid];
+    }
+};