1 /*
 2  * Copyright (c) 2024, 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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package hat.buffer;
26 
27 import hat.Accelerator;
28 import hat.ifacemapper.Schema;
29 
30 public interface F32Array2D extends Buffer {
31 
32     int width();
33 
34     int height();
35 
36     float array(long idx);
37 
38     void array(long idx, float v);
39 
40     default float get(int x, int y) {
41         return array((long) y * width() + x);
42     }
43 
44     default void set(int x, int y, float v) {
45         array((long) y * width() + x, v);
46     }
47 
48     Schema<F32Array2D> schema = Schema.of(F32Array2D.class, s32Array->s32Array
49             .arrayLen("width","height").stride(1).array("array"));
50 
51     static F32Array2D create(Accelerator accelerator, int width, int height){
52         return schema.allocate(accelerator, width,height);
53     }
54 
55     default float[][] arrayView() {
56         float[][] arr = new float[this.height()][this.width()];
57         for (int i = 0; i < this.height(); i++) {
58             for (int j = 0; j < this.width(); j++) {
59                 arr[i][j] = this.get(i, j);
60             }
61         }
62         return arr;
63     }
64 }