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<div id="projectname">CMU462 Library
 <span id="projectnumber">1.0</span>
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<div id="projectbrief">15-462/15-662: Computer Graphics (Fall 2015)</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_93cde9e1f49b119e2b24d2ae2dcc682a.html">CMU462</a></li> </ul>
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<div class="title">vector4D.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef CMU462_VECTOR4D_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define CMU462_VECTOR4D_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "CMU462.h"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "vector3D.h"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <ostream></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <cmath></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespace_c_m_u462.html">CMU462</a> {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html"> 15</a></span> <span class="keyword">class </span><a class="code" href="class_c_m_u462_1_1_vector4_d.html">Vector4D</a> {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="comment">// components</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordtype">double</span> x, y, z, w;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318"> 25</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>() : x( 0.0 ), y( 0.0 ), z( 0.0 ), w( 0.0 ) { }</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a277de054e1fbd2c1663957dd63bcccfa"> 31</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a277de054e1fbd2c1663957dd63bcccfa">Vector4D</a>( <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z, <span class="keywordtype">double</span> w) : x( x ), y( y ), z( z ), w( w ) { }</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a1d876deff8c84f3eb1b7addd9f4fcf73"> 37</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1d876deff8c84f3eb1b7addd9f4fcf73">Vector4D</a>( <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z) : x( x ), y( y ), z( z ), w( 0.0 ) { }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a8c865329caeaacad96a8469468ce2e7a"> 44</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a8c865329caeaacad96a8469468ce2e7a">Vector4D</a>( <span class="keywordtype">double</span> c ) : x( c ), y( c ), z( c ), w ( c ) { }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#af8d30f086264e3d702fb0fc62d916cca"> 50</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#af8d30f086264e3d702fb0fc62d916cca">Vector4D</a>( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html">Vector4D</a>& v ) : x( v.x ), y( v.y ), z( v.z ), w( v.w ) { }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a42c4daedf87cecf77a85e3db0d632731"> 56</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a42c4daedf87cecf77a85e3db0d632731">Vector4D</a>( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector3_d.html">Vector3D</a>& v ) : x( v.x ), y( v.y ), z( v.z ), w( 0.0 ) { }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#a5c580be6fe61d6b008141168a7bcc0b4"> 62</a></span>  <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a5c580be6fe61d6b008141168a7bcc0b4">Vector4D</a>( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector3_d.html">Vector3D</a>& v, <span class="keywordtype">double</span> w ) : x( v.x ), y( v.y ), z( v.z ), w( w ) { }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// returns reference to the specified component (0-based indexing: x, y, z)</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span>& operator[] ( <span class="keyword">const</span> <span class="keywordtype">int</span>& index ) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> ( &x )[ index ];</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// returns const reference to the specified component (0-based indexing: x, y, z)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">double</span>& operator[] ( <span class="keyword">const</span> <span class="keywordtype">int</span>& index )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> ( &x )[ index ];</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// negation</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a> operator-( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( -x, -y, -z, -w);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// addition</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a> operator+( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>& v )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( x + v.x, y + v.y, z + v.z, w + v.w);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// subtraction</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a> operator-( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>& v )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( x - v.x, y - v.y, z - v.z, w - v.w );</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// right scalar multiplication</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a> operator*( <span class="keyword">const</span> <span class="keywordtype">double</span>& c )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( x * c, y * c, z * c, w * c );</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// scalar division</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a> operator/( <span class="keyword">const</span> <span class="keywordtype">double</span>& c )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> rc = 1.0/c;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( rc * x, rc * y, rc * z, rc * w );</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// addition / assignment</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator+=( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>& v ) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  x += v.x; y += v.y; z += v.z; z += v.w;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// subtraction / assignment</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator-=( <span class="keyword">const</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>& v ) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  x -= v.x; y -= v.y; z -= v.z; w -= v.w;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// scalar multiplication / assignment</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator*=( <span class="keyword">const</span> <span class="keywordtype">double</span>& c ) {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  x *= c; y *= c; z *= c; w *= c;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// scalar division / assignment</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator/=( <span class="keyword">const</span> <span class="keywordtype">double</span>& c ) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  (*this) *= ( 1./c );</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#abec701db9f3125be7c2c7569d9c82e51"> 123</a></span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#abec701db9f3125be7c2c7569d9c82e51">norm</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> sqrt( x*x + y*y + z*z + w*w );</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#ab2d4841f7a7a5669e5436c35803eb954"> 130</a></span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#ab2d4841f7a7a5669e5436c35803eb954">norm2</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> x*x + y*y + z*z + w*w;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#ae374d31af8bc0300a884f04a62cdb890"> 137</a></span>  <span class="keyword">inline</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html">Vector4D</a> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#ae374d31af8bc0300a884f04a62cdb890">unit</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">double</span> rNorm = 1. / sqrt( x*x + y*y + z*z + w*w);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">Vector4D</a>( rNorm*x, rNorm*y, rNorm*z );</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_vector4_d.html#aa473c7f0bc98a04c9894dd4f920b8a56"> 146</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#aa473c7f0bc98a04c9894dd4f920b8a56">normalize</a>( <span class="keywordtype">void</span> ) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  (*this) /= <a class="code" href="class_c_m_u462_1_1_vector4_d.html#abec701db9f3125be7c2c7569d9c82e51">norm</a>();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="class_c_m_u462_1_1_vector3_d.html">Vector3D</a> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#a8c90167b5f0cbfb7861cd90bd6bf86c0">to3D</a>();</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="class_c_m_u462_1_1_vector3_d.html">Vector3D</a> <a class="code" href="class_c_m_u462_1_1_vector4_d.html#ab72c793ce61f9f963643e853b5155ac0">projectTo3D</a>();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }; <span class="comment">// class Vector4D</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// left scalar multiplication</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">inline</span> Vector4D operator* ( <span class="keyword">const</span> <span class="keywordtype">double</span>& c, <span class="keyword">const</span> Vector4D& v ) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> Vector4D( c * v.x, c * v.y, c * v.z, c*v.w );</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// dot product (a.k.a. inner or scalar product)</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> dot( <span class="keyword">const</span> Vector4D& u, <span class="keyword">const</span> Vector4D& v ) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> u.x*v.x + u.y*v.y + u.z*v.z + u.w*v.w;;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// prints components</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> std::ostream& operator<<( std::ostream& os, <span class="keyword">const</span> Vector4D& v );</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> } <span class="comment">// namespace CMU462</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif // CMU462_VECTOR3D_H</span></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a277de054e1fbd2c1663957dd63bcccfa"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a277de054e1fbd2c1663957dd63bcccfa">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(double x, double y, double z, double w)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:31</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a8c90167b5f0cbfb7861cd90bd6bf86c0"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a8c90167b5f0cbfb7861cd90bd6bf86c0">CMU462::Vector4D::to3D</a></div><div class="ttdeci">Vector3D to3D()</div><div class="ttdoc">Converts this vector to a 3D vector ignoring the w component. </div><div class="ttdef"><b>Definition:</b> vector4D.cpp:10</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_ab72c793ce61f9f963643e853b5155ac0"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#ab72c793ce61f9f963643e853b5155ac0">CMU462::Vector4D::projectTo3D</a></div><div class="ttdeci">Vector3D projectTo3D()</div><div class="ttdoc">Converts this vector to a 3D vector by dividing x, y, and z by w. </div><div class="ttdef"><b>Definition:</b> vector4D.cpp:14</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_ae374d31af8bc0300a884f04a62cdb890"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#ae374d31af8bc0300a884f04a62cdb890">CMU462::Vector4D::unit</a></div><div class="ttdeci">Vector4D unit(void) const </div><div class="ttdoc">Returns unit vector. </div><div class="ttdef"><b>Definition:</b> vector4D.h:137</div></div>
<div class="ttc" id="namespace_c_m_u462_html"><div class="ttname"><a href="namespace_c_m_u462.html">CMU462</a></div><div class="ttdef"><b>Definition:</b> CMU462.h:8</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html">CMU462::Vector4D</a></div><div class="ttdoc">Defines 4D standard vectors. </div><div class="ttdef"><b>Definition:</b> vector4D.h:15</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector3_d_html"><div class="ttname"><a href="class_c_m_u462_1_1_vector3_d.html">CMU462::Vector3D</a></div><div class="ttdoc">Defines 3D vectors. </div><div class="ttdef"><b>Definition:</b> vector3D.h:14</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_abec701db9f3125be7c2c7569d9c82e51"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#abec701db9f3125be7c2c7569d9c82e51">CMU462::Vector4D::norm</a></div><div class="ttdeci">double norm(void) const </div><div class="ttdoc">Returns Euclidean distance metric extended to 4 dimensions. </div><div class="ttdef"><b>Definition:</b> vector4D.h:123</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_af8d30f086264e3d702fb0fc62d916cca"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#af8d30f086264e3d702fb0fc62d916cca">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(const Vector4D &v)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:50</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a1d876deff8c84f3eb1b7addd9f4fcf73"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a1d876deff8c84f3eb1b7addd9f4fcf73">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(double x, double y, double z)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:37</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_ab2d4841f7a7a5669e5436c35803eb954"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#ab2d4841f7a7a5669e5436c35803eb954">CMU462::Vector4D::norm2</a></div><div class="ttdeci">double norm2(void) const </div><div class="ttdoc">Returns Euclidean length squared. </div><div class="ttdef"><b>Definition:</b> vector4D.h:130</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a5c580be6fe61d6b008141168a7bcc0b4"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a5c580be6fe61d6b008141168a7bcc0b4">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(const Vector3D &v, double w)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:62</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a42c4daedf87cecf77a85e3db0d632731"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a42c4daedf87cecf77a85e3db0d632731">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(const Vector3D &v)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:56</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a8c865329caeaacad96a8469468ce2e7a"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a8c865329caeaacad96a8469468ce2e7a">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D(double c)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:44</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_a1e930c168b0e56b6ee1b14937644a318"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#a1e930c168b0e56b6ee1b14937644a318">CMU462::Vector4D::Vector4D</a></div><div class="ttdeci">Vector4D()</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> vector4D.h:25</div></div>
<div class="ttc" id="class_c_m_u462_1_1_vector4_d_html_aa473c7f0bc98a04c9894dd4f920b8a56"><div class="ttname"><a href="class_c_m_u462_1_1_vector4_d.html#aa473c7f0bc98a04c9894dd4f920b8a56">CMU462::Vector4D::normalize</a></div><div class="ttdeci">void normalize(void)</div><div class="ttdoc">Divides by Euclidean length. </div><div class="ttdef"><b>Definition:</b> vector4D.h:146</div></div>
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