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<h1>FXMat3d.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* D o u b l e - P r e c i s i o n 3 x 3 M a t r i x *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 2003,2004 by Jeroen van der Zijp. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXMat3d.h,v 1.3 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXMAT3D_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXMAT3D_H</span>
00026 <span class="preprocessor"></span>
00027
00028 <span class="keyword">namespace </span>FX {
00029
00030 <span class="comment"></span>
00031 <span class="comment">/// Double-precision 3x3 matrix</span>
<a name="l00032"></a><a class="code" href="classFX_1_1FXMat3d.html">00032</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXMat3d {
00033 <span class="keyword">protected</span>:
00034 <a class="code" href="classFX_1_1FXVec3d.html">FXVec3d</a> m[3];
<a name="l00035"></a><a class="code" href="classFX_1_1FXMat3d.html#a0">00035</a> <span class="keyword">public</span>:<span class="comment"></span>
00036 <span class="comment"> /// Constructors</span>
00037 <span class="comment"></span> FXMat3d(){}
00038 FXMat3d(FXdouble w);
00039 FXMat3d(FXdouble a00,FXdouble a01,FXdouble a02,
00040 FXdouble a10,FXdouble a11,FXdouble a12,
00041 FXdouble a20,FXdouble a21,FXdouble a22);
00042 FXMat3d(<span class="keyword">const</span> FXVec3d& a,<span class="keyword">const</span> FXVec3d& b,<span class="keyword">const</span> FXVec3d& c);
00043 FXMat3d(<span class="keyword">const</span> FXMat3d& other);
00044 <span class="comment"></span>
00045 <span class="comment"> /// Assignment operators</span>
00046 <span class="comment"></span> FXMat3d& operator=(<span class="keyword">const</span> FXMat3d& other);
00047 FXMat3d& operator=(FXdouble w);
00048 FXMat3d& operator+=(<span class="keyword">const</span> FXMat3d& w);
00049 FXMat3d& operator-=(<span class="keyword">const</span> FXMat3d& w);
00050 FXMat3d& operator*=(FXdouble w);
00051 FXMat3d& operator*=(<span class="keyword">const</span> FXMat3d& w);
00052 FXMat3d& operator/=(FXdouble w);
<a name="l00053"></a><a class="code" href="classFX_1_1FXMat3d.html#a12">00053</a> <span class="comment"></span>
00054 <span class="comment"> /// Indexing</span>
00055 <span class="comment"></span> <a class="code" href="classFX_1_1FXVec3d.html">FXVec3d</a>& operator[](FXint i){<span class="keywordflow">return</span> m[i];}
00056 <span class="keyword">const</span> FXVec3d& operator[](FXint i)<span class="keyword"> const </span>{<span class="keywordflow">return</span> m[i];}
<a name="l00057"></a><a class="code" href="classFX_1_1FXMat3d.html#a14">00057</a> <span class="comment"></span>
00058 <span class="comment"> /// Conversion</span>
00059 <span class="comment"></span> operator FXdouble*(){<span class="keywordflow">return</span> m[0];}
00060 operator const FXdouble*()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m[0];}
00061 <span class="comment"></span>
00062 <span class="comment"> /// Other operators</span>
00063 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat3d operator+(<span class="keyword">const</span> FXMat3d& a,<span class="keyword">const</span> FXMat3d& b);
00064 <span class="keyword">friend</span> FXAPI FXMat3d operator-(<span class="keyword">const</span> FXMat3d& a,<span class="keyword">const</span> FXMat3d& b);
00065 <span class="keyword">friend</span> FXAPI FXMat3d operator-(<span class="keyword">const</span> FXMat3d& a);
00066 <span class="keyword">friend</span> FXAPI FXMat3d operator*(<span class="keyword">const</span> FXMat3d& a,<span class="keyword">const</span> FXMat3d& b);
00067 <span class="keyword">friend</span> FXAPI FXMat3d operator*(FXdouble x,<span class="keyword">const</span> FXMat3d& a);
00068 <span class="keyword">friend</span> FXAPI FXMat3d operator*(<span class="keyword">const</span> FXMat3d& a,FXdouble x);
00069 <span class="keyword">friend</span> FXAPI FXMat3d operator/(<span class="keyword">const</span> FXMat3d& a,FXdouble x);
00070 <span class="keyword">friend</span> FXAPI FXMat3d operator/(FXdouble x,<span class="keyword">const</span> FXMat3d& a);
00071 <span class="comment"></span>
00072 <span class="comment"> /// Multiply matrix and vector</span>
00073 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec3d operator*(<span class="keyword">const</span> FXVec3d& v,<span class="keyword">const</span> FXMat3d& m);
00074 <span class="keyword">friend</span> FXAPI FXVec3d operator*(<span class="keyword">const</span> FXMat3d& a,<span class="keyword">const</span> FXVec3d& v);
00075 <span class="comment"></span>
00076 <span class="comment"> /// Mutiply matrix and vector, for non-projective matrix</span>
00077 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec2d operator*(<span class="keyword">const</span> FXVec2d& v,<span class="keyword">const</span> FXMat3d& m);
00078 <span class="keyword">friend</span> FXAPI FXVec2d operator*(<span class="keyword">const</span> FXMat3d& a,<span class="keyword">const</span> FXVec2d& v);
00079 <span class="comment"></span>
00080 <span class="comment"> /// Set identity matrix</span>
00081 <span class="comment"></span> FXMat3d& eye();
00082 <span class="comment"></span>
00083 <span class="comment"> /// Multiply by rotation of phi</span>
00084 <span class="comment"></span> FXMat3d& rot(FXdouble c,FXdouble s);
00085 FXMat3d& rot(FXdouble phi);
00086 <span class="comment"></span>
00087 <span class="comment"> /// Multiply by translation</span>
00088 <span class="comment"></span> FXMat3d& trans(FXdouble tx,FXdouble ty);
00089 <span class="comment"></span>
00090 <span class="comment"> /// Multiply by scaling</span>
00091 <span class="comment"></span> FXMat3d& scale(FXdouble sx,FXdouble sy);
00092 FXMat3d& scale(FXdouble s);
00093 <span class="comment"></span>
00094 <span class="comment"> /// Determinant</span>
00095 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXdouble det(<span class="keyword">const</span> FXMat3d& m);
00096 <span class="comment"></span>
00097 <span class="comment"> /// Transpose</span>
00098 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat3d transpose(<span class="keyword">const</span> FXMat3d& m);
00099 <span class="comment"></span>
00100 <span class="comment"> /// Invert</span>
00101 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat3d invert(<span class="keyword">const</span> FXMat3d& m);
00102 <span class="comment"></span>
00103 <span class="comment"> /// Save to a stream</span>
00104 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator<<(FXStream& store,<span class="keyword">const</span> FXMat3d& m);
00105 <span class="comment"></span>
00106 <span class="comment"> /// Load from a stream</span>
00107 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator>>(FXStream& store,FXMat3d& m);
00108 };
00109
00110 }
00111
00112 <span class="preprocessor">#endif</span>
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