1 /*
 2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 #include "test8246400.h"
25 #include <math.h>
26 
27 EXPORT Vector add(Vector v1, Vector v2) {
28     Vector res = { v1.x + v2.x, v1.y + v2. y };
29     return res;
30 }
31 
32 EXPORT double cosine_similarity(Vector v1, Vector v2,
33         double (*dot)(Vector, Vector)) {
34     double normv1 = sqrt(dot(v1, v1));
35     double normv2 = sqrt(dot(v2, v2));
36     return dot(v1, v2)/(normv1 * normv2);
37 }