| /* Goom Project |
| * Copyright (C) <2003> Jean-Christophe Hoelt <jeko@free.fr> |
| * |
| * goom_core.c:Contains the core of goom's work. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "mathtools.h" |
| |
| float sin256[256] = { |
| 0, 0.0245412, 0.0490677, 0.0735646, 0.0980171, 0.122411, 0.14673, 0.170962, |
| 0.19509, 0.219101, 0.24298, 0.266713, 0.290285, 0.313682, 0.33689, |
| 0.359895, 0.382683, 0.405241, 0.427555, 0.449611, 0.471397, 0.492898, |
| 0.514103, 0.534998, 0.55557, 0.575808, 0.595699, 0.615232, 0.634393, |
| 0.653173, 0.671559, 0.689541, 0.707107, 0.724247, 0.740951, 0.757209, |
| 0.77301, 0.788346, 0.803208, 0.817585, 0.83147, 0.844854, 0.857729, |
| 0.870087, 0.881921, 0.893224, 0.903989, 0.91421, 0.92388, 0.932993, |
| 0.941544, 0.949528, 0.95694, 0.963776, 0.970031, 0.975702, 0.980785, |
| 0.985278, 0.989177, 0.99248, 0.995185, 0.99729, 0.998795, 0.999699, 1, |
| 0.999699, 0.998795, 0.99729, 0.995185, 0.99248, 0.989177, 0.985278, |
| 0.980785, 0.975702, 0.970031, 0.963776, 0.95694, 0.949528, 0.941544, |
| 0.932993, 0.92388, 0.91421, 0.903989, 0.893224, 0.881921, 0.870087, |
| 0.857729, 0.844854, 0.83147, 0.817585, 0.803208, 0.788346, 0.77301, |
| 0.757209, 0.740951, 0.724247, 0.707107, 0.689541, 0.671559, 0.653173, |
| 0.634393, 0.615232, 0.595699, 0.575808, 0.55557, 0.534998, 0.514103, |
| 0.492898, 0.471397, 0.449611, 0.427555, 0.405241, 0.382683, 0.359895, |
| 0.33689, 0.313682, 0.290285, 0.266713, 0.24298, 0.219101, 0.19509, |
| 0.170962, 0.14673, 0.122411, 0.0980171, 0.0735646, 0.0490677, 0.0245412, |
| 1.22465e-16, -0.0245412, -0.0490677, -0.0735646, -0.0980171, -0.122411, |
| -0.14673, -0.170962, -0.19509, -0.219101, -0.24298, -0.266713, -0.290285, |
| -0.313682, -0.33689, -0.359895, -0.382683, -0.405241, -0.427555, |
| -0.449611, -0.471397, -0.492898, -0.514103, -0.534998, -0.55557, |
| -0.575808, -0.595699, -0.615232, -0.634393, -0.653173, -0.671559, |
| -0.689541, -0.707107, -0.724247, -0.740951, -0.757209, -0.77301, |
| -0.788346, -0.803208, -0.817585, -0.83147, -0.844854, -0.857729, |
| -0.870087, -0.881921, -0.893224, -0.903989, -0.91421, -0.92388, -0.932993, |
| -0.941544, -0.949528, -0.95694, -0.963776, -0.970031, -0.975702, |
| -0.980785, -0.985278, -0.989177, -0.99248, -0.995185, -0.99729, -0.998795, |
| -0.999699, -1, -0.999699, -0.998795, -0.99729, -0.995185, -0.99248, |
| -0.989177, -0.985278, -0.980785, -0.975702, -0.970031, -0.963776, |
| -0.95694, -0.949528, -0.941544, -0.932993, -0.92388, -0.91421, -0.903989, |
| -0.893224, -0.881921, -0.870087, -0.857729, -0.844854, -0.83147, |
| -0.817585, -0.803208, -0.788346, -0.77301, -0.757209, -0.740951, |
| -0.724247, -0.707107, -0.689541, -0.671559, -0.653173, -0.634393, |
| -0.615232, -0.595699, -0.575808, -0.55557, -0.534998, -0.514103, |
| -0.492898, -0.471397, -0.449611, -0.427555, -0.405241, -0.382683, |
| -0.359895, -0.33689, -0.313682, -0.290285, -0.266713, -0.24298, -0.219101, |
| -0.19509, -0.170962, -0.14673, -0.122411, -0.0980171, -0.0735646, |
| -0.0490677, -0.0245412 |
| }; |
| |
| float cos256[256] = { |
| 0, 0.999699, 0.998795, 0.99729, 0.995185, 0.99248, 0.989177, 0.985278, |
| 0.980785, 0.975702, 0.970031, 0.963776, 0.95694, 0.949528, 0.941544, |
| 0.932993, 0.92388, 0.91421, 0.903989, 0.893224, 0.881921, 0.870087, |
| 0.857729, 0.844854, 0.83147, 0.817585, 0.803208, 0.788346, 0.77301, |
| 0.757209, 0.740951, 0.724247, 0.707107, 0.689541, 0.671559, 0.653173, |
| 0.634393, 0.615232, 0.595699, 0.575808, 0.55557, 0.534998, 0.514103, |
| 0.492898, 0.471397, 0.449611, 0.427555, 0.405241, 0.382683, 0.359895, |
| 0.33689, 0.313682, 0.290285, 0.266713, 0.24298, 0.219101, 0.19509, |
| 0.170962, 0.14673, 0.122411, 0.0980171, 0.0735646, 0.0490677, 0.0245412, |
| 6.12323e-17, -0.0245412, -0.0490677, -0.0735646, -0.0980171, -0.122411, |
| -0.14673, -0.170962, -0.19509, -0.219101, -0.24298, -0.266713, -0.290285, |
| -0.313682, -0.33689, -0.359895, -0.382683, -0.405241, -0.427555, |
| -0.449611, -0.471397, -0.492898, -0.514103, -0.534998, -0.55557, |
| -0.575808, -0.595699, -0.615232, -0.634393, -0.653173, -0.671559, |
| -0.689541, -0.707107, -0.724247, -0.740951, -0.757209, -0.77301, |
| -0.788346, -0.803208, -0.817585, -0.83147, -0.844854, -0.857729, |
| -0.870087, -0.881921, -0.893224, -0.903989, -0.91421, -0.92388, -0.932993, |
| -0.941544, -0.949528, -0.95694, -0.963776, -0.970031, -0.975702, |
| -0.980785, -0.985278, -0.989177, -0.99248, -0.995185, -0.99729, -0.998795, |
| -0.999699, -1, -0.999699, -0.998795, -0.99729, -0.995185, -0.99248, |
| -0.989177, -0.985278, -0.980785, -0.975702, -0.970031, -0.963776, |
| -0.95694, -0.949528, -0.941544, -0.932993, -0.92388, -0.91421, -0.903989, |
| -0.893224, -0.881921, -0.870087, -0.857729, -0.844854, -0.83147, |
| -0.817585, -0.803208, -0.788346, -0.77301, -0.757209, -0.740951, |
| -0.724247, -0.707107, -0.689541, -0.671559, -0.653173, -0.634393, |
| -0.615232, -0.595699, -0.575808, -0.55557, -0.534998, -0.514103, |
| -0.492898, -0.471397, -0.449611, -0.427555, -0.405241, -0.382683, |
| -0.359895, -0.33689, -0.313682, -0.290285, -0.266713, -0.24298, -0.219101, |
| -0.19509, -0.170962, -0.14673, -0.122411, -0.0980171, -0.0735646, |
| -0.0490677, -0.0245412, -1.83697e-16, 0.0245412, 0.0490677, 0.0735646, |
| 0.0980171, 0.122411, 0.14673, 0.170962, 0.19509, 0.219101, 0.24298, |
| 0.266713, 0.290285, 0.313682, 0.33689, 0.359895, 0.382683, 0.405241, |
| 0.427555, 0.449611, 0.471397, 0.492898, 0.514103, 0.534998, 0.55557, |
| 0.575808, 0.595699, 0.615232, 0.634393, 0.653173, 0.671559, 0.689541, |
| 0.707107, 0.724247, 0.740951, 0.757209, 0.77301, 0.788346, 0.803208, |
| 0.817585, 0.83147, 0.844854, 0.857729, 0.870087, 0.881921, 0.893224, |
| 0.903989, 0.91421, 0.92388, 0.932993, 0.941544, 0.949528, 0.95694, |
| 0.963776, 0.970031, 0.975702, 0.980785, 0.985278, 0.989177, 0.99248, |
| 0.995185, 0.99729, 0.998795, 0.999699 |
| }; |
