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<h1>FXVec4d.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 4 - E l e m e n t V e c t o r *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 1994,2004 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: FXVec4d.h,v 1.4 2004/02/08 17:17:34 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXVEC4D_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXVEC4D_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 4-element vector</span>
<a name="l00032"></a><a class="code" href="classFX_1_1FXVec4d.html">00032</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXVec4d {
00033 <span class="keyword">public</span>:
00034 FXdouble x;
00035 FXdouble y;
00036 FXdouble z;
00037 FXdouble w;
00038 <span class="keyword">public</span>:
00039 <span class="comment"></span>
00040 <span class="comment"> /// Default constructor</span>
<a name="l00041"></a><a class="code" href="classFX_1_1FXVec4d.html#a0">00041</a> <span class="comment"></span> FXVec4d(){}
00042 <span class="comment"></span>
00043 <span class="comment"> /// Copy constructor</span>
<a name="l00044"></a><a class="code" href="classFX_1_1FXVec4d.html#a1">00044</a> <span class="comment"></span> FXVec4d(<span class="keyword">const</span> FXVec4d& v){x=v.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>;y=v.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>;z=v.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>;w=v.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>;}
00045 <span class="comment"></span>
00046 <span class="comment"> /// Initialize with 3-vector</span>
<a name="l00047"></a><a class="code" href="classFX_1_1FXVec4d.html#a2">00047</a> <span class="comment"></span> FXVec4d(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXVec3d.html">FXVec3d</a>& v){x=v.<a class="code" href="classFX_1_1FXVec3d.html#o0">x</a>;y=v.<a class="code" href="classFX_1_1FXVec3d.html#o1">y</a>;z=v.<a class="code" href="classFX_1_1FXVec3d.html#o2">z</a>;w=1.0;}
00048
00049 <span class="comment">// Initialize from array of floats</span>
00050 FXVec4d(<span class="keyword">const</span> FXdouble v[]){x=v[0];y=v[1];z=v[2];w=v[3];}
00051 <span class="comment"></span>
00052 <span class="comment"> /// Initialize with components</span>
<a name="l00053"></a><a class="code" href="classFX_1_1FXVec4d.html#a4">00053</a> <span class="comment"></span> FXVec4d(FXdouble xx,FXdouble yy,FXdouble zz,FXdouble ww=1.0){x=xx;y=yy;z=zz;w=ww;}
00054 <span class="comment"></span>
00055 <span class="comment"> /// Initialize with color</span>
00056 <span class="comment"></span> FXVec4d(FXColor color);
00057 <span class="comment"></span>
00058 <span class="comment"> /// Return a non-const reference to the ith element</span>
<a name="l00059"></a><a class="code" href="classFX_1_1FXVec4d.html#a6">00059</a> <span class="comment"></span> FXdouble& operator[](FXint i){<span class="keywordflow">return</span> (&x)[i];}
00060 <span class="comment"></span>
00061 <span class="comment"> /// Return a const reference to the ith element</span>
<a name="l00062"></a><a class="code" href="classFX_1_1FXVec4d.html#a7">00062</a> <span class="comment"></span> <span class="keyword">const</span> FXdouble& operator[](FXint i)<span class="keyword"> const </span>{<span class="keywordflow">return</span> (&x)[i];}
00063 <span class="comment"></span>
00064 <span class="comment"> /// Assign color</span>
00065 <span class="comment"></span> FXVec4d& operator=(FXColor color);
00066 <span class="comment"></span>
00067 <span class="comment"> /// Assignment</span>
<a name="l00068"></a><a class="code" href="classFX_1_1FXVec4d.html#a9">00068</a> <span class="comment"></span> FXVec4d& operator=(<span class="keyword">const</span> <a class="code" href="classFX_1_1FXVec3d.html">FXVec3d</a>& v){x=v.<a class="code" href="classFX_1_1FXVec3d.html#o0">x</a>;y=v.<a class="code" href="classFX_1_1FXVec3d.html#o1">y</a>;z=v.<a class="code" href="classFX_1_1FXVec3d.html#o2">z</a>;w=1.0;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00069 FXVec4d& operator=(<span class="keyword">const</span> FXVec4d& v){x=v.x;y=v.y;z=v.z;w=v.w;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00070 <span class="comment"></span>
00071 <span class="comment"> /// Assignment from array of floats</span>
<a name="l00072"></a><a class="code" href="classFX_1_1FXVec4d.html#a11">00072</a> <span class="comment"></span> FXVec4d& operator=(<span class="keyword">const</span> FXdouble v[]){x=v[0];y=v[1];z=v[2];w=v[3];<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00073 <span class="comment"></span>
00074 <span class="comment"> /// Assigning operators</span>
<a name="l00075"></a><a class="code" href="classFX_1_1FXVec4d.html#a12">00075</a> <span class="comment"></span> FXVec4d& operator*=(FXdouble n){x*=n;y*=n;z*=n;w*=n;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00076 FXVec4d& operator/=(FXdouble n){x/=n;y/=n;z/=n;w/=n;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00077 FXVec4d& operator+=(<span class="keyword">const</span> FXVec4d& v){x+=v.x;y+=v.y;z+=v.z;w+=v.w;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00078 FXVec4d& operator-=(<span class="keyword">const</span> FXVec4d& v){x-=v.x;y-=v.y;z-=v.z;w-=v.w;<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
00079 <span class="comment"></span>
00080 <span class="comment"> /// Conversion</span>
<a name="l00081"></a><a class="code" href="classFX_1_1FXVec4d.html#a16">00081</a> <span class="comment"></span> operator FXdouble*(){<span class="keywordflow">return</span> &x;}
00082 operator const FXdouble*()<span class="keyword"> const </span>{<span class="keywordflow">return</span> &x;}
00083 operator FXVec3d&(){<span class="keywordflow">return</span> *reinterpret_cast<FXVec3d*>(<span class="keyword">this</span>);}
00084 operator const FXVec3d&()<span class="keyword"> const </span>{<span class="keywordflow">return</span> *reinterpret_cast<const FXVec3d*>(<span class="keyword">this</span>);}
00085 <span class="comment"></span>
00086 <span class="comment"> /// Convert to color</span>
00087 <span class="comment"></span> operator FXColor() <span class="keyword">const</span>;
00088 <span class="comment"></span>
00089 <span class="comment"> /// Unary</span>
<a name="l00090"></a><a class="code" href="classFX_1_1FXVec4d.html#n0">00090</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d operator+(<span class="keyword">const</span> FXVec4d& v){<span class="keywordflow">return</span> v;}
00091 <span class="keyword">friend</span> FXAPI FXVec4d operator-(<span class="keyword">const</span> FXVec4d& v){<span class="keywordflow">return</span> FXVec4d(-v.x,-v.y,-v.z,-v.w);}
00092 <span class="comment"></span>
00093 <span class="comment"> /// Adding</span>
<a name="l00094"></a><a class="code" href="classFX_1_1FXVec4d.html#n2">00094</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d operator+(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> FXVec4d(a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>+b.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>,a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>+b.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>,a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>+b.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>,a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>+b.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>);}
00095 <span class="keyword">friend</span> FXAPI FXVec4d operator-(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> FXVec4d(a.x-b.x,a.y-b.y,a.z-b.z,a.w-b.w);}
00096 <span class="comment"></span>
00097 <span class="comment"> /// Scaling</span>
<a name="l00098"></a><a class="code" href="classFX_1_1FXVec4d.html#n4">00098</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d operator*(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> FXVec4d(a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>*n,a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>*n,a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>*n,a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>*n);}
00099 <span class="keyword">friend</span> FXAPI FXVec4d operator*(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> FXVec4d(n*a.x,n*a.y,n*a.z,n*a.w);}
00100 <span class="keyword">friend</span> FXAPI FXVec4d operator/(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> FXVec4d(a.x/n,a.y/n,a.z/n,a.w/n);}
00101 <span class="keyword">friend</span> FXAPI FXVec4d operator/(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> FXVec4d(n/a.x,n/a.y,n/a.z,n/a.w);}
00102 <span class="comment"></span>
00103 <span class="comment"> /// Dot product</span>
<a name="l00104"></a><a class="code" href="classFX_1_1FXVec4d.html#n8">00104</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXdouble operator*(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>*b.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>*b.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>*b.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>*b.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>;}
00105 <span class="comment"></span>
00106 <span class="comment"> /// Test if zero</span>
<a name="l00107"></a><a class="code" href="classFX_1_1FXVec4d.html#n9">00107</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d operator!(<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>==0.0 && a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>==0.0 && a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>==0.0 && a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>==0.0;}
00108 <span class="comment"></span>
00109 <span class="comment"> /// Equality tests</span>
<a name="l00110"></a><a class="code" href="classFX_1_1FXVec4d.html#n10">00110</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator==(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>==b.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>==b.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>==b.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>==b.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>;}
00111 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator!=(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.x!=b.x || a.y!=b.y || a.z!=b.z || a.w!=b.w;}
00112
00113 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator==(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x==n && a.y==n && a.z==n && a.w==n;}
00114 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator!=(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x!=n || a.y!=n || a.z!=n || a.w!=n;}
00115
00116 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator==(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n==a.x && n==a.y && n==a.z && n==a.w;}
00117 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator!=(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n!=a.x || n!=a.y || n!=a.z || n!=a.w;}
00118 <span class="comment"></span>
00119 <span class="comment"> /// Inequality tests</span>
<a name="l00120"></a><a class="code" href="classFX_1_1FXVec4d.html#n16">00120</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a><b.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a><b.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a><b.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a> && a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a><b.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>;}
00121 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<=(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.x<=b.x && a.y<=b.y && a.z<=b.z && a.w<=b.w;}
00122 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.x>b.x && a.y>b.y && a.z>b.z && a.w>b.w;}
00123 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>=(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> a.x>=b.x && a.y>=b.y && a.z>=b.z && a.w>=b.w;}
00124
00125 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x<n && a.y<n && a.z<n && a.w<n;}
00126 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<=(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x<=n && a.y<=n && a.z<=n && a.w<=n;}
00127 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x>n && a.y>n && a.z>n && a.w>n;}
00128 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>=(<span class="keyword">const</span> FXVec4d& a,FXdouble n){<span class="keywordflow">return</span> a.x>=n && a.y>=n && a.z>=n && a.w>=n;}
00129
00130 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n<a.x && n<a.y && n<a.z && n<a.w;}
00131 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator<=(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n<=a.x && n<=a.y && n<=a.z && n<=a.w;}
00132 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n>a.x && n>a.y && n>a.z && n>a.w;}
00133 <span class="keyword">friend</span> FXAPI <span class="keywordtype">int</span> operator>=(FXdouble n,<span class="keyword">const</span> FXVec4d& a){<span class="keywordflow">return</span> n>=a.x && n>=a.y && n>=a.z && n>=a.w;}
00134 <span class="comment"></span>
00135 <span class="comment"> /// Length and square of length</span>
<a name="l00136"></a><a class="code" href="classFX_1_1FXVec4d.html#n28">00136</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXdouble len2(<span class="keyword">const</span> FXVec4d& a){ <span class="keywordflow">return</span> a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>*a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>*a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>*a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>+a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>*a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>; }
00137 <span class="keyword">friend</span> FXAPI FXdouble len(<span class="keyword">const</span> FXVec4d& a){ <span class="keywordflow">return</span> sqrt(len2(a)); }
00138 <span class="comment"></span>
00139 <span class="comment"> /// Normalize vector</span>
00140 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d normalize(<span class="keyword">const</span> FXVec4d& a);
00141 <span class="comment"></span>
00142 <span class="comment"> /// Lowest or highest components</span>
<a name="l00143"></a><a class="code" href="classFX_1_1FXVec4d.html#n31">00143</a> <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4d lo(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> FXVec4d(FXMIN(a.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>,b.<a class="code" href="classFX_1_1FXVec4d.html#o0">x</a>),FXMIN(a.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>,b.<a class="code" href="classFX_1_1FXVec4d.html#o1">y</a>),FXMIN(a.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>,b.<a class="code" href="classFX_1_1FXVec4d.html#o2">z</a>),FXMIN(a.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>,b.<a class="code" href="classFX_1_1FXVec4d.html#o3">w</a>));}
00144 <span class="keyword">friend</span> FXAPI FXVec4d hi(<span class="keyword">const</span> FXVec4d& a,<span class="keyword">const</span> FXVec4d& b){<span class="keywordflow">return</span> FXVec4d(FXMAX(a.x,b.x),FXMAX(a.y,b.y),FXMAX(a.z,b.z),FXMAX(a.w,b.w));}
00145 <span class="comment"></span>
00146 <span class="comment"> /// Save to a stream</span>
00147 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator<<(FXStream& store,<span class="keyword">const</span> FXVec4d& v);
00148 <span class="comment"></span>
00149 <span class="comment"> /// Load from a stream</span>
00150 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator>>(FXStream& store,FXVec4d& v);
00151 };
00152
00153 }
00154
00155 <span class="preprocessor">#endif</span>
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