diff options
Diffstat (limited to 'OpenSim/Framework/OpenJpeg/int_.cs')
-rw-r--r-- | OpenSim/Framework/OpenJpeg/int_.cs | 142 |
1 files changed, 84 insertions, 58 deletions
diff --git a/OpenSim/Framework/OpenJpeg/int_.cs b/OpenSim/Framework/OpenJpeg/int_.cs index dc71728..07321b5 100644 --- a/OpenSim/Framework/OpenJpeg/int_.cs +++ b/OpenSim/Framework/OpenJpeg/int_.cs | |||
@@ -1,58 +1,84 @@ | |||
1 | using System; | 1 | /* |
2 | using System.Collections.Generic; | 2 | * Copyright (c) Contributors, http://opensimulator.org/ |
3 | using System.Text; | 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
4 | 4 | * | |
5 | namespace OpenSim.Framework.OpenJpeg | 5 | * Redistribution and use in source and binary forms, with or without |
6 | { | 6 | * modification, are permitted provided that the following conditions are met: |
7 | public static class int_ | 7 | * * Redistributions of source code must retain the above copyright |
8 | { | 8 | * notice, this list of conditions and the following disclaimer. |
9 | public static int int_min(int a, int b) | 9 | * * Redistributions in binary form must reproduce the above copyright |
10 | { | 10 | * notice, this list of conditions and the following disclaimer in the |
11 | return a < b ? a : b; | 11 | * documentation and/or other materials provided with the distribution. |
12 | } | 12 | * * Neither the name of the OpenSimulator Project nor the |
13 | 13 | * names of its contributors may be used to endorse or promote products | |
14 | public static int int_max(int a, int b) | 14 | * derived from this software without specific prior written permission. |
15 | { | 15 | * |
16 | return (a > b) ? a : b; | 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
17 | } | 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
18 | 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
19 | public static int int_clamp(int a, int min, int max) | 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
20 | { | 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
21 | if (a < min) | 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
22 | return min; | 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
23 | if (a > max) | 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | return max; | 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
25 | 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 | return a; | 26 | */ |
27 | } | 27 | |
28 | 28 | using System; | |
29 | public static int int_abs(int a) | 29 | using System.Collections.Generic; |
30 | { | 30 | using System.Text; |
31 | return a < 0 ? -a : a; | 31 | |
32 | } | 32 | namespace OpenSim.Framework.OpenJpeg |
33 | 33 | { | |
34 | public static int int_ceildiv(int a, int b) | 34 | public static class int_ |
35 | { | 35 | { |
36 | return (a + b - 1) / b; | 36 | public static int int_min(int a, int b) |
37 | } | 37 | { |
38 | 38 | return a < b ? a : b; | |
39 | public static int int_ceildivpow2(int a, int b) | 39 | } |
40 | { | 40 | |
41 | return (a + (1 << b) - 1) >> b; | 41 | public static int int_max(int a, int b) |
42 | } | 42 | { |
43 | 43 | return (a > b) ? a : b; | |
44 | public static int int_floordivpow2(int a, int b) | 44 | } |
45 | { | 45 | |
46 | return a >> b; | 46 | public static int int_clamp(int a, int min, int max) |
47 | } | 47 | { |
48 | 48 | if (a < min) | |
49 | public static int int_floorlog2(int a) | 49 | return min; |
50 | { | 50 | if (a > max) |
51 | for (int l=0; a > 1; l++) | 51 | return max; |
52 | a >>= 1; | 52 | |
53 | 53 | return a; | |
54 | return 1; | 54 | } |
55 | } | 55 | |
56 | 56 | public static int int_abs(int a) | |
57 | } | 57 | { |
58 | } | 58 | return a < 0 ? -a : a; |
59 | } | ||
60 | |||
61 | public static int int_ceildiv(int a, int b) | ||
62 | { | ||
63 | return (a + b - 1) / b; | ||
64 | } | ||
65 | |||
66 | public static int int_ceildivpow2(int a, int b) | ||
67 | { | ||
68 | return (a + (1 << b) - 1) >> b; | ||
69 | } | ||
70 | |||
71 | public static int int_floordivpow2(int a, int b) | ||
72 | { | ||
73 | return a >> b; | ||
74 | } | ||
75 | |||
76 | public static int int_floorlog2(int a) | ||
77 | { | ||
78 | for (int l=0; a > 1; l++) | ||
79 | a >>= 1; | ||
80 | |||
81 | return 1; | ||
82 | } | ||
83 | } | ||
84 | } | ||