--- /dev/null
+/* \r
+ * PROJECT: NyARToolkit\r
+ * --------------------------------------------------------------------------------\r
+ * This work is based on the original ARToolKit developed by\r
+ * Hirokazu Kato\r
+ * Mark Billinghurst\r
+ * HITLab, University of Washington, Seattle\r
+ * http://www.hitl.washington.edu/artoolkit/\r
+ *\r
+ * The NyARToolkit is Java edition ARToolKit class library.\r
+ * Copyright (C)2008-2009 Ryo Iizuka\r
+ *\r
+ * This program is free software: you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation, either version 3 of the License, or\r
+ * (at your option) any later version.\r
+ * \r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.\r
+ * \r
+ * For further information please contact.\r
+ * http://nyatla.jp/nyatoolkit/\r
+ * <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>\r
+ * \r
+ */\r
+package jp.nyatla.nyartoolkit.core;\r
+\r
+import jp.nyatla.nyartoolkit.NyARException;\r
+\r
+\r
+\r
+public class NyARVec\r
+{\r
+ private int clm;\r
+\r
+ public NyARVec(int i_clm)\r
+ {\r
+ v = new double[i_clm];\r
+ clm = i_clm;\r
+ }\r
+\r
+ private double[] v;\r
+\r
+ /**\r
+ * i_clmサイズの列を格納できるように列サイズを変更します。 実行後、列の各値は不定になります。\r
+ * \r
+ * @param i_clm\r
+ */\r
+ public void realloc(int i_clm)\r
+ {\r
+ if (i_clm <= this.v.length) {\r
+ // 十分な配列があれば何もしない。\r
+ } else {\r
+ // 不十分なら取り直す。\r
+ v = new double[i_clm];\r
+ }\r
+ this.clm = i_clm;\r
+ }\r
+\r
+ public int getClm()\r
+ {\r
+ return clm;\r
+ }\r
+\r
+ public double[] getArray()\r
+ {\r
+ return v;\r
+ }\r
+\r
+\r
+\r
+ /**\r
+ * arVecInnerproduct関数の代替品\r
+ * \r
+ * @param x\r
+ * @param y\r
+ * @param i_start\r
+ * 演算開始列(よくわからないけどarVecTridiagonalizeの呼び出し元でなんかしてる)\r
+ * @return\r
+ * @throws NyARException\r
+ */\r
+ public double vecInnerproduct(NyARVec y, int i_start) throws NyARException\r
+ {\r
+ NyARException.trap("この関数は動作確認できていません。");\r
+ double result = 0.0;\r
+ // double[] x_array=x.v;.getArray();\r
+ // double[] y_array=y.getArray();\r
+\r
+ if (this.clm != y.clm) {\r
+ throw new NyARException();// exit();\r
+ }\r
+ for (int i = i_start; i < this.clm; i++) {\r
+ NyARException.trap("未チェックのパス");\r
+ result += this.v[i] * y.v[i];// result += x->v[i] * y->v[i];\r
+ }\r
+ return result;\r
+ }\r
+\r
+ /**\r
+ * double arVecHousehold関数の代替品\r
+ * \r
+ * @param x\r
+ * @param i_start\r
+ * 演算開始列(よくわからないけどarVecTridiagonalizeの呼び出し元でなんかしてる)\r
+ * @return\r
+ * @throws NyARException\r
+ */\r
+ public double vecHousehold(int i_start) throws NyARException\r
+ {\r
+ NyARException.trap("この関数は動作確認できていません。");\r
+ double s, t;\r
+ s = Math.sqrt(this.vecInnerproduct(this, i_start));\r
+ // double[] x_array=x.getArray();\r
+ if (s != 0.0) {\r
+ NyARException.trap("未チェックのパス");\r
+ if (this.v[i_start] < 0) {\r
+ s = -s;\r
+ }\r
+ NyARException.trap("未チェックのパス");\r
+ {\r
+ this.v[i_start] += s;// x->v[0] += s;\r
+ t = 1 / Math.sqrt(this.v[i_start] * s);// t = 1 / sqrt(x->v[0] * s);\r
+ }\r
+ for (int i = i_start; i < this.clm; i++) {\r
+ NyARException.trap("未チェックのパス");\r
+ this.v[i] *= t;// x->v[i] *= t;\r
+ }\r
+ }\r
+ return -s;\r
+ }\r
+\r
+ /**\r
+ * 現在ラップしている配列を取り外して、新しい配列をラップします。\r
+ * \r
+ * @param i_v\r
+ * @param i_clm\r
+ */\r
+ public void setNewArray(double[] i_array, int i_clm)\r
+ {\r
+ this.v = i_array;\r
+ this.clm = i_clm;\r
+ }\r
+}\r
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