1/*
2 * Copyright (c) 2014, 2014, 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 */
23package org.graalvm.compiler.core.common.calc;
24
25import org.graalvm.compiler.debug.GraalError;
26
27public enum FloatConvert {
28    F2I(FloatConvertCategory.FloatingPointToInteger),
29    D2I(FloatConvertCategory.FloatingPointToInteger),
30    F2L(FloatConvertCategory.FloatingPointToInteger),
31    D2L(FloatConvertCategory.FloatingPointToInteger),
32    I2F(FloatConvertCategory.IntegerToFloatingPoint),
33    L2F(FloatConvertCategory.IntegerToFloatingPoint),
34    D2F(FloatConvertCategory.FloatingPointToFloatingPoint),
35    I2D(FloatConvertCategory.IntegerToFloatingPoint),
36    L2D(FloatConvertCategory.IntegerToFloatingPoint),
37    F2D(FloatConvertCategory.FloatingPointToFloatingPoint);
38
39    private FloatConvertCategory category;
40
41    FloatConvert(FloatConvertCategory category) {
42        this.category = category;
43    }
44
45    public FloatConvertCategory getCategory() {
46        return category;
47    }
48
49    public FloatConvert reverse() {
50        switch (this) {
51            case D2F:
52                return F2D;
53            case D2I:
54                return I2D;
55            case D2L:
56                return L2D;
57            case F2D:
58                return D2F;
59            case F2I:
60                return I2F;
61            case F2L:
62                return L2F;
63            case I2D:
64                return D2I;
65            case I2F:
66                return F2I;
67            case L2D:
68                return D2L;
69            case L2F:
70                return F2L;
71            default:
72                throw GraalError.shouldNotReachHere();
73        }
74    }
75}
76