Skip to content

GitLab

Switch branch/tag
Find file Normal viewHistoryPermalink
vector4_d_8h_source.html 31.1 KB
Newer Older
Nick Sharp's avatar
Initial commit  
Nick Sharp committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.9.1"/>
<title>CMU462 Library: /Users/Sky/Dropbox/Projects/CMU462/private/p3/CMU462/include/CMU462/vector4D.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { init_search(); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">CMU462 Library
   &#160;<span id="projectnumber">1.0</span>
   </div>
   <div id="projectbrief">15-462/15-662: Computer Graphics (Fall 2015)</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.9.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
    </ul>
  </div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<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>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle">
<div class="title">vector4D.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef CMU462_VECTOR4D_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define CMU462_VECTOR4D_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &quot;CMU462.h&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;vector3D.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;ostream&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<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>&#160;</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>&#160;<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>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;  <span class="comment">// components</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;  <span class="keywordtype">double</span> x, y, z, w;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</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>&#160; <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>&#160;</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>&#160; <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>&#160;</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>&#160; <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>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</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>&#160; <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>&#160;</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>&#160; <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>&amp; 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>&#160;</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>&#160; <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>&amp; 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>&#160;</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>&#160; <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>&amp; 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>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <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>&#160;  <span class="keyword">inline</span> <span class="keywordtype">double</span>&amp; operator[] ( <span class="keyword">const</span> <span class="keywordtype">int</span>&amp; index ) {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keywordflow">return</span> ( &amp;x )[ index ];</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  }</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  <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>&#160;  <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">double</span>&amp; operator[] ( <span class="keyword">const</span> <span class="keywordtype">int</span>&amp; index )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordflow">return</span> ( &amp;x )[ index ];</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  }</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  <span class="comment">// negation</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <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>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="comment">// addition</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  <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>&amp; v )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="comment">// subtraction</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  <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>&amp; v )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="comment">// right scalar multiplication</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <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>&amp; c )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="comment">// scalar division</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <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>&amp; c )<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <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>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  <span class="comment">// addition / assignment</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  <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>&amp; v ) {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    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>&#160;  }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  <span class="comment">// subtraction / assignment</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <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>&amp; v ) {</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    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>&#160;  }</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="comment">// scalar multiplication / assignment</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator*=( <span class="keyword">const</span> <span class="keywordtype">double</span>&amp; c ) {</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    x *= c; y *= c; z *= c; w *= c;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  }</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="comment">// scalar division / assignment</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keyword">inline</span> <span class="keywordtype">void</span> operator/=( <span class="keyword">const</span> <span class="keywordtype">double</span>&amp; c ) {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    (*this) *= ( 1./c );</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  }</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</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>&#160;  <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>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</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>&#160;  <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>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</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>&#160;  <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>&#160;    <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>&#160;    <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>&#160;  }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</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>&#160;  <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>&#160;    (*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>&#160;  }</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <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>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  <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>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;}; <span class="comment">// class Vector4D</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment">// left scalar multiplication</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="keyword">inline</span> Vector4D operator* ( <span class="keyword">const</span> <span class="keywordtype">double</span>&amp; c, <span class="keyword">const</span> Vector4D&amp; v ) {</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <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>&#160;}</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<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>&#160;<span class="keyword">inline</span> <span class="keywordtype">double</span> dot( <span class="keyword">const</span> Vector4D&amp; u, <span class="keyword">const</span> Vector4D&amp; v ) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <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>&#160;}</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">// prints components</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;std::ostream&amp; operator&lt;&lt;( std::ostream&amp; os, <span class="keyword">const</span> Vector4D&amp; v );</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;} <span class="comment">// namespace CMU462</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<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 &amp;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 &amp;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 &amp;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>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sat Oct 10 2015 03:34:42 for CMU462 Library by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.9.1
</small></address>
</body>
</html>