| Stefan Kost | 6eb6d5b | 2008-10-28 06:50:57 +0000 | [diff] [blame] | 1 | /* Goom Project |
| 2 | * Copyright (C) <2003> Jean-Christophe Hoelt <jeko@free.fr> |
| 3 | * |
| 4 | * goom_core.c:Contains the core of goom's work. |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Library General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Library General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Library General Public |
| 17 | * License along with this library; if not, write to the |
| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | * Boston, MA 02111-1307, USA. |
| 20 | */ |
| Bastien Nocera | a7bc748 | 2008-02-23 01:51:37 +0000 | [diff] [blame] | 21 | |
| 22 | #include "mathtools.h" |
| 23 | |
| 24 | float sin256[256] = { |
| 25 | 0, 0.0245412, 0.0490677, 0.0735646, 0.0980171, 0.122411, 0.14673, 0.170962, |
| Stefan Kost | 6eb6d5b | 2008-10-28 06:50:57 +0000 | [diff] [blame] | 26 | 0.19509, 0.219101, 0.24298, 0.266713, 0.290285, 0.313682, 0.33689, |
| 27 | 0.359895, 0.382683, 0.405241, 0.427555, 0.449611, 0.471397, 0.492898, |
| 28 | 0.514103, 0.534998, 0.55557, 0.575808, 0.595699, 0.615232, 0.634393, |
| 29 | 0.653173, 0.671559, 0.689541, 0.707107, 0.724247, 0.740951, 0.757209, |
| 30 | 0.77301, 0.788346, 0.803208, 0.817585, 0.83147, 0.844854, 0.857729, |
| 31 | 0.870087, 0.881921, 0.893224, 0.903989, 0.91421, 0.92388, 0.932993, |
| 32 | 0.941544, 0.949528, 0.95694, 0.963776, 0.970031, 0.975702, 0.980785, |
| 33 | 0.985278, 0.989177, 0.99248, 0.995185, 0.99729, 0.998795, 0.999699, 1, |
| 34 | 0.999699, 0.998795, 0.99729, 0.995185, 0.99248, 0.989177, 0.985278, |
| 35 | 0.980785, 0.975702, 0.970031, 0.963776, 0.95694, 0.949528, 0.941544, |
| 36 | 0.932993, 0.92388, 0.91421, 0.903989, 0.893224, 0.881921, 0.870087, |
| 37 | 0.857729, 0.844854, 0.83147, 0.817585, 0.803208, 0.788346, 0.77301, |
| 38 | 0.757209, 0.740951, 0.724247, 0.707107, 0.689541, 0.671559, 0.653173, |
| 39 | 0.634393, 0.615232, 0.595699, 0.575808, 0.55557, 0.534998, 0.514103, |
| 40 | 0.492898, 0.471397, 0.449611, 0.427555, 0.405241, 0.382683, 0.359895, |
| 41 | 0.33689, 0.313682, 0.290285, 0.266713, 0.24298, 0.219101, 0.19509, |
| 42 | 0.170962, 0.14673, 0.122411, 0.0980171, 0.0735646, 0.0490677, 0.0245412, |
| 43 | 1.22465e-16, -0.0245412, -0.0490677, -0.0735646, -0.0980171, -0.122411, |
| 44 | -0.14673, -0.170962, -0.19509, -0.219101, -0.24298, -0.266713, -0.290285, |
| 45 | -0.313682, -0.33689, -0.359895, -0.382683, -0.405241, -0.427555, |
| 46 | -0.449611, -0.471397, -0.492898, -0.514103, -0.534998, -0.55557, |
| 47 | -0.575808, -0.595699, -0.615232, -0.634393, -0.653173, -0.671559, |
| 48 | -0.689541, -0.707107, -0.724247, -0.740951, -0.757209, -0.77301, |
| 49 | -0.788346, -0.803208, -0.817585, -0.83147, -0.844854, -0.857729, |
| 50 | -0.870087, -0.881921, -0.893224, -0.903989, -0.91421, -0.92388, -0.932993, |
| 51 | -0.941544, -0.949528, -0.95694, -0.963776, -0.970031, -0.975702, |
| 52 | -0.980785, -0.985278, -0.989177, -0.99248, -0.995185, -0.99729, -0.998795, |
| 53 | -0.999699, -1, -0.999699, -0.998795, -0.99729, -0.995185, -0.99248, |
| 54 | -0.989177, -0.985278, -0.980785, -0.975702, -0.970031, -0.963776, |
| 55 | -0.95694, -0.949528, -0.941544, -0.932993, -0.92388, -0.91421, -0.903989, |
| 56 | -0.893224, -0.881921, -0.870087, -0.857729, -0.844854, -0.83147, |
| 57 | -0.817585, -0.803208, -0.788346, -0.77301, -0.757209, -0.740951, |
| 58 | -0.724247, -0.707107, -0.689541, -0.671559, -0.653173, -0.634393, |
| 59 | -0.615232, -0.595699, -0.575808, -0.55557, -0.534998, -0.514103, |
| 60 | -0.492898, -0.471397, -0.449611, -0.427555, -0.405241, -0.382683, |
| 61 | -0.359895, -0.33689, -0.313682, -0.290285, -0.266713, -0.24298, -0.219101, |
| 62 | -0.19509, -0.170962, -0.14673, -0.122411, -0.0980171, -0.0735646, |
| 63 | -0.0490677, -0.0245412 |
| Bastien Nocera | a7bc748 | 2008-02-23 01:51:37 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | float cos256[256] = { |
| 67 | 0, 0.999699, 0.998795, 0.99729, 0.995185, 0.99248, 0.989177, 0.985278, |
| Stefan Kost | 6eb6d5b | 2008-10-28 06:50:57 +0000 | [diff] [blame] | 68 | 0.980785, 0.975702, 0.970031, 0.963776, 0.95694, 0.949528, 0.941544, |
| 69 | 0.932993, 0.92388, 0.91421, 0.903989, 0.893224, 0.881921, 0.870087, |
| 70 | 0.857729, 0.844854, 0.83147, 0.817585, 0.803208, 0.788346, 0.77301, |
| 71 | 0.757209, 0.740951, 0.724247, 0.707107, 0.689541, 0.671559, 0.653173, |
| 72 | 0.634393, 0.615232, 0.595699, 0.575808, 0.55557, 0.534998, 0.514103, |
| 73 | 0.492898, 0.471397, 0.449611, 0.427555, 0.405241, 0.382683, 0.359895, |
| 74 | 0.33689, 0.313682, 0.290285, 0.266713, 0.24298, 0.219101, 0.19509, |
| 75 | 0.170962, 0.14673, 0.122411, 0.0980171, 0.0735646, 0.0490677, 0.0245412, |
| 76 | 6.12323e-17, -0.0245412, -0.0490677, -0.0735646, -0.0980171, -0.122411, |
| 77 | -0.14673, -0.170962, -0.19509, -0.219101, -0.24298, -0.266713, -0.290285, |
| 78 | -0.313682, -0.33689, -0.359895, -0.382683, -0.405241, -0.427555, |
| 79 | -0.449611, -0.471397, -0.492898, -0.514103, -0.534998, -0.55557, |
| 80 | -0.575808, -0.595699, -0.615232, -0.634393, -0.653173, -0.671559, |
| 81 | -0.689541, -0.707107, -0.724247, -0.740951, -0.757209, -0.77301, |
| 82 | -0.788346, -0.803208, -0.817585, -0.83147, -0.844854, -0.857729, |
| 83 | -0.870087, -0.881921, -0.893224, -0.903989, -0.91421, -0.92388, -0.932993, |
| 84 | -0.941544, -0.949528, -0.95694, -0.963776, -0.970031, -0.975702, |
| 85 | -0.980785, -0.985278, -0.989177, -0.99248, -0.995185, -0.99729, -0.998795, |
| 86 | -0.999699, -1, -0.999699, -0.998795, -0.99729, -0.995185, -0.99248, |
| 87 | -0.989177, -0.985278, -0.980785, -0.975702, -0.970031, -0.963776, |
| 88 | -0.95694, -0.949528, -0.941544, -0.932993, -0.92388, -0.91421, -0.903989, |
| 89 | -0.893224, -0.881921, -0.870087, -0.857729, -0.844854, -0.83147, |
| 90 | -0.817585, -0.803208, -0.788346, -0.77301, -0.757209, -0.740951, |
| 91 | -0.724247, -0.707107, -0.689541, -0.671559, -0.653173, -0.634393, |
| 92 | -0.615232, -0.595699, -0.575808, -0.55557, -0.534998, -0.514103, |
| 93 | -0.492898, -0.471397, -0.449611, -0.427555, -0.405241, -0.382683, |
| 94 | -0.359895, -0.33689, -0.313682, -0.290285, -0.266713, -0.24298, -0.219101, |
| 95 | -0.19509, -0.170962, -0.14673, -0.122411, -0.0980171, -0.0735646, |
| 96 | -0.0490677, -0.0245412, -1.83697e-16, 0.0245412, 0.0490677, 0.0735646, |
| 97 | 0.0980171, 0.122411, 0.14673, 0.170962, 0.19509, 0.219101, 0.24298, |
| 98 | 0.266713, 0.290285, 0.313682, 0.33689, 0.359895, 0.382683, 0.405241, |
| 99 | 0.427555, 0.449611, 0.471397, 0.492898, 0.514103, 0.534998, 0.55557, |
| 100 | 0.575808, 0.595699, 0.615232, 0.634393, 0.653173, 0.671559, 0.689541, |
| 101 | 0.707107, 0.724247, 0.740951, 0.757209, 0.77301, 0.788346, 0.803208, |
| 102 | 0.817585, 0.83147, 0.844854, 0.857729, 0.870087, 0.881921, 0.893224, |
| 103 | 0.903989, 0.91421, 0.92388, 0.932993, 0.941544, 0.949528, 0.95694, |
| 104 | 0.963776, 0.970031, 0.975702, 0.980785, 0.985278, 0.989177, 0.99248, |
| 105 | 0.995185, 0.99729, 0.998795, 0.999699 |
| Bastien Nocera | a7bc748 | 2008-02-23 01:51:37 +0000 | [diff] [blame] | 106 | }; |
