01: /*
02: * Primitive Collections for Java.
03: * Copyright (C) 2002, 2003 Søren Bak
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: */
19: package bak.pcj.hash;
20:
21: import java.io.Serializable;
22:
23: /**
24: * This class provides a default hash function for
25: * float values. It has been derived from the Java library and
26: * is known to work well in the general case.
27: *
28: * @see Float#hashCode()
29: * @serial exclude
30: * @author Søren Bak
31: * @version 1.2 2003/5/3
32: * @since 1.0
33: */
34: public class DefaultFloatHashFunction implements FloatHashFunction,
35: Serializable {
36:
37: /** Default instance of this hash function. */
38: public static final FloatHashFunction INSTANCE = new DefaultFloatHashFunction();
39:
40: /** Default constructor to be invoked by sub-classes. */
41: protected DefaultFloatHashFunction() {
42: }
43:
44: public int hash(float v) {
45: return Float.floatToIntBits(v);
46: }
47:
48: }
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