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  40. <a href="#func-members">Functions</a>  </div>
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    42. 

  42. <div class="title">GLM_GTC_type_ptr<div class="ingroups"><a class="el" href="a00160.html">GTC Extensions (Stable)</a></div></div>  </div>
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  46. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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  47. Functions</h2></td></tr>
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  48. <tr class="memitem:ga52a16e333fef7e33ca740779482a8693"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  49. <tr class="memitem:ga52a16e333fef7e33ca740779482a8693"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat2x2&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga52a16e333fef7e33ca740779482a8693">make_mat2</a> (T const *const ptr)</td></tr>
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  52. <tr class="memitem:gadb29e510762e1042069cb28bf24ae990"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat2x2&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gadb29e510762e1042069cb28bf24ae990">make_mat2x2</a> (T const *const ptr)</td></tr>
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  54. <tr class="memitem:ga37988c6dd941f617cdfab86d54375fc1"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  55. <tr class="memitem:ga37988c6dd941f617cdfab86d54375fc1"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat2x3&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga37988c6dd941f617cdfab86d54375fc1">make_mat2x3</a> (T const *const ptr)</td></tr>
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  58. <tr class="memitem:ga6dfb2ac10859b0cc8e3893ea84fa95b5"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat2x4&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga6dfb2ac10859b0cc8e3893ea84fa95b5">make_mat2x4</a> (T const *const ptr)</td></tr>
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  60. <tr class="memitem:gac2bc10c519ffc8db9e24f325f23787ea"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  61. <tr class="memitem:gac2bc10c519ffc8db9e24f325f23787ea"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat3x3&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gac2bc10c519ffc8db9e24f325f23787ea">make_mat3</a> (T const *const ptr)</td></tr>
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  63. <tr class="memitem:gabe1e5066608a66da7a94f802b57b4eed"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  64. <tr class="memitem:gabe1e5066608a66da7a94f802b57b4eed"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat3x2&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gabe1e5066608a66da7a94f802b57b4eed">make_mat3x2</a> (T const *const ptr)</td></tr>
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  66. <tr class="memitem:ga3cbe7adf857c867cee77eae4617abadd"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  67. <tr class="memitem:ga3cbe7adf857c867cee77eae4617abadd"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat3x3&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga3cbe7adf857c867cee77eae4617abadd">make_mat3x3</a> (T const *const ptr)</td></tr>
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  69. <tr class="memitem:gac083edd180ab4d4b817acc60c516209b"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  70. <tr class="memitem:gac083edd180ab4d4b817acc60c516209b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat3x4&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gac083edd180ab4d4b817acc60c516209b">make_mat3x4</a> (T const *const ptr)</td></tr>
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  73. <tr class="memitem:ga2c6e6d457cb932e1ce683e4f690a6f60"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat4x4&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga2c6e6d457cb932e1ce683e4f690a6f60">make_mat4</a> (T const *const ptr)</td></tr>
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  76. <tr class="memitem:ga967a5b934e67ff9a6d1d0d27a377a264"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat4x2&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga967a5b934e67ff9a6d1d0d27a377a264">make_mat4x2</a> (T const *const ptr)</td></tr>
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  78. <tr class="memitem:ga4d42daced532b33cc672280e48670a51"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  79. <tr class="memitem:ga4d42daced532b33cc672280e48670a51"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat4x3&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga4d42daced532b33cc672280e48670a51">make_mat4x3</a> (T const *const ptr)</td></tr>
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  81. <tr class="memitem:gaf605a5f5e2ff594e8d404b2855b09541"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  82. <tr class="memitem:gaf605a5f5e2ff594e8d404b2855b09541"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat4x4&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gaf605a5f5e2ff594e8d404b2855b09541">make_mat4x4</a> (T const *const ptr)</td></tr>
    83. 

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  84. <tr class="memitem:gaadafb6600af2633e4c98cc64c72f5269"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
    85. 

  85. <tr class="memitem:gaadafb6600af2633e4c98cc64c72f5269"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gaadafb6600af2633e4c98cc64c72f5269">make_quat</a> (T const *const ptr)</td></tr>
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  87. <tr class="memitem:ga5f7393c30970c5949be13ceb525093a6"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
    88. 

  88. <tr class="memitem:ga5f7393c30970c5949be13ceb525093a6"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec2&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga5f7393c30970c5949be13ceb525093a6">make_vec2</a> (T const *const ptr)</td></tr>
    89. 

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  90. <tr class="memitem:ga86f4bc63570db86346db2e567fb760f6"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
    91. 

  91. <tr class="memitem:ga86f4bc63570db86346db2e567fb760f6"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec3&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga86f4bc63570db86346db2e567fb760f6">make_vec3</a> (T const *const ptr)</td></tr>
    92. 

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    93. 

  93. <tr class="memitem:ga152345176b8951c15711f6ed4f6fc237"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
    94. 

  94. <tr class="memitem:ga152345176b8951c15711f6ed4f6fc237"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga152345176b8951c15711f6ed4f6fc237">make_vec4</a> (T const *const ptr)</td></tr>
    95. 

  95. <tr class="separator:ga152345176b8951c15711f6ed4f6fc237"><td class="memSeparator" colspan="2">&#160;</td></tr>
    96. 

  96. <tr class="memitem:gaf019636bb8bd7c9efb7c7ce3bb23bcfc"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
    97. 

  97. <tr class="memitem:gaf019636bb8bd7c9efb7c7ce3bb23bcfc"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType::value_type const *&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gaf019636bb8bd7c9efb7c7ce3bb23bcfc">value_ptr</a> (genType const &amp;vec)</td></tr>
    98. 

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    99. 

  99. </table>
    100. 

  100. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    101. 

  101. <p>Handles the interaction between pointers and vector, matrix types. </p>
    102. 

  102. <p>This extension defines an overloaded function, glm::value_ptr, which takes any of the <a class="el" href="a00165.html">core template types</a>. It returns a pointer to the memory layout of the object. Matrix types store their values in column-major order.</p>
    103. 

  103. <p>This is useful for uploading data to matrices or copying data to buffer objects.</p>
    104. 

  104. <p>Example: </p><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;<a class="code" href="a00040.html">glm/glm.hpp</a>&gt;</span></div>
    105. 

  105. <div class="line"><span class="preprocessor">#include &lt;<a class="code" href="a00131.html">glm/gtc/type_ptr.hpp</a>&gt;</span></div>
    106. 

  106. <div class="line"></div>
    107. 

  107. <div class="line"><a class="code" href="a00163.html#gaa8ea2429bb3cb41a715258a447f39897">glm::vec3</a> aVector(3);</div>
    108. 

  108. <div class="line"><a class="code" href="a00163.html#gade0eb47c01f79384a6f38017ede17446">glm::mat4</a> someMatrix(1.0);</div>
    109. 

  109. <div class="line"></div>
    110. 

  110. <div class="line">glUniform3fv(uniformLoc, 1, <a class="code" href="a00182.html#gaf019636bb8bd7c9efb7c7ce3bb23bcfc">glm::value_ptr</a>(aVector));</div>
    111. 

  111. <div class="line">glUniformMatrix4fv(uniformMatrixLoc, 1, GL_FALSE, <a class="code" href="a00182.html#gaf019636bb8bd7c9efb7c7ce3bb23bcfc">glm::value_ptr</a>(someMatrix));</div>
    112. 

  112. </div><!-- fragment --><p>&lt;<a class="el" href="a00131.html" title="OpenGL Mathematics (glm.g-truc.net) ">glm/gtc/type_ptr.hpp</a>&gt; need to be included to use these functionalities. </p>
    113. 

  113. <h2 class="groupheader">Function Documentation</h2>
    114. 

  114. <a class="anchor" id="ga52a16e333fef7e33ca740779482a8693"></a>
    115. 

  115. <div class="memitem">
    116. 

  116. <div class="memproto">
    117. 

  117.       <table class="memname">
    118. 

  118.         <tr>
    119. 

  119.           <td class="memname">GLM_FUNC_DECL tmat2x2&lt;T, defaultp&gt; glm::make_mat2 </td>
    120. 

  120.           <td>(</td>
    121. 

  121.           <td class="paramtype">T const *const&#160;</td>
    122. 

  122.           <td class="paramname"><em>ptr</em></td><td>)</td>
    123. 

  123.           <td></td>
    124. 

  124.         </tr>
    125. 

  125.       </table>
    126. 

  126. </div><div class="memdoc">
    127. 

  127. 

  128. <p>Build a matrix from a pointer. </p>
    129. 

  129. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
    130. 

  130. 

  131. </div>
    132. 

  132. </div>
    133. 

  133. <a class="anchor" id="gadb29e510762e1042069cb28bf24ae990"></a>
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    136. 

  136.       <table class="memname">
    137. 

  137.         <tr>
    138. 

  138.           <td class="memname">GLM_FUNC_DECL tmat2x2&lt;T, defaultp&gt; glm::make_mat2x2 </td>
    139. 

  139.           <td>(</td>
    140. 

  140.           <td class="paramtype">T const *const&#160;</td>
    141. 

  141.           <td class="paramname"><em>ptr</em></td><td>)</td>
    142. 

  142.           <td></td>
    143. 

  143.         </tr>
    144. 

  144.       </table>
    145. 

  145. </div><div class="memdoc">
    146. 

  146. 

  147. <p>Build a matrix from a pointer. </p>
    148. 

  148. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
    149. 

  149. 

  150. </div>
    151. 

  151. </div>
    152. 

  152. <a class="anchor" id="ga37988c6dd941f617cdfab86d54375fc1"></a>
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  153. <div class="memitem">
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    155. 

  155.       <table class="memname">
    156. 

  156.         <tr>
    157. 

  157.           <td class="memname">GLM_FUNC_DECL tmat2x3&lt;T, defaultp&gt; glm::make_mat2x3 </td>
    158. 

  158.           <td>(</td>
    159. 

  159.           <td class="paramtype">T const *const&#160;</td>
    160. 

  160.           <td class="paramname"><em>ptr</em></td><td>)</td>
    161. 

  161.           <td></td>
    162. 

  162.         </tr>
    163. 

  163.       </table>
    164. 

  164. </div><div class="memdoc">
    165. 

  165. 

  166. <p>Build a matrix from a pointer. </p>
    167. 

  167. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
    168. 

  168. 

  169. </div>
    170. 

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  176.           <td class="memname">GLM_FUNC_DECL tmat2x4&lt;T, defaultp&gt; glm::make_mat2x4 </td>
    177. 

  177.           <td>(</td>
    178. 

  178.           <td class="paramtype">T const *const&#160;</td>
    179. 

  179.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  184. 

  185. <p>Build a matrix from a pointer. </p>
    186. 

  186. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  195.           <td class="memname">GLM_FUNC_DECL tmat3x3&lt;T, defaultp&gt; glm::make_mat3 </td>
    196. 

  196.           <td>(</td>
    197. 

  197.           <td class="paramtype">T const *const&#160;</td>
    198. 

  198.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  203. 

  204. <p>Build a matrix from a pointer. </p>
    205. 

  205. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  214.           <td class="memname">GLM_FUNC_DECL tmat3x2&lt;T, defaultp&gt; glm::make_mat3x2 </td>
    215. 

  215.           <td>(</td>
    216. 

  216.           <td class="paramtype">T const *const&#160;</td>
    217. 

  217.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  222. 

  223. <p>Build a matrix from a pointer. </p>
    224. 

  224. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  233.           <td class="memname">GLM_FUNC_DECL tmat3x3&lt;T, defaultp&gt; glm::make_mat3x3 </td>
    234. 

  234.           <td>(</td>
    235. 

  235.           <td class="paramtype">T const *const&#160;</td>
    236. 

  236.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  241. 

  242. <p>Build a matrix from a pointer. </p>
    243. 

  243. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  252.           <td class="memname">GLM_FUNC_DECL tmat3x4&lt;T, defaultp&gt; glm::make_mat3x4 </td>
    253. 

  253.           <td>(</td>
    254. 

  254.           <td class="paramtype">T const *const&#160;</td>
    255. 

  255.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  260. 

  261. <p>Build a matrix from a pointer. </p>
    262. 

  262. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  271.           <td class="memname">GLM_FUNC_DECL tmat4x4&lt;T, defaultp&gt; glm::make_mat4 </td>
    272. 

  272.           <td>(</td>
    273. 

  273.           <td class="paramtype">T const *const&#160;</td>
    274. 

  274.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  279. 

  280. <p>Build a matrix from a pointer. </p>
    281. 

  281. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  290.           <td class="memname">GLM_FUNC_DECL tmat4x2&lt;T, defaultp&gt; glm::make_mat4x2 </td>
    291. 

  291.           <td>(</td>
    292. 

  292.           <td class="paramtype">T const *const&#160;</td>
    293. 

  293.           <td class="paramname"><em>ptr</em></td><td>)</td>
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  299. <p>Build a matrix from a pointer. </p>
    300. 

  300. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  309.           <td class="memname">GLM_FUNC_DECL tmat4x3&lt;T, defaultp&gt; glm::make_mat4x3 </td>
    310. 

  310.           <td>(</td>
    311. 

  311.           <td class="paramtype">T const *const&#160;</td>
    312. 

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  318. <p>Build a matrix from a pointer. </p>
    319. 

  319. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  328.           <td class="memname">GLM_FUNC_DECL tmat4x4&lt;T, defaultp&gt; glm::make_mat4x4 </td>
    329. 

  329.           <td>(</td>
    330. 

  330.           <td class="paramtype">T const *const&#160;</td>
    331. 

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  337. <p>Build a matrix from a pointer. </p>
    338. 

  338. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  347.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, defaultp&gt; glm::make_quat </td>
    348. 

  348.           <td>(</td>
    349. 

  349.           <td class="paramtype">T const *const&#160;</td>
    350. 

  350.           <td class="paramname"><em>ptr</em></td><td>)</td>
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    355. 

  355. 

  356. <p>Build a quaternion from a pointer. </p>
    357. 

  357. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  366.           <td class="memname">GLM_FUNC_DECL tvec2&lt;T, defaultp&gt; glm::make_vec2 </td>
    367. 

  367.           <td>(</td>
    368. 

  368.           <td class="paramtype">T const *const&#160;</td>
    369. 

  369.           <td class="paramname"><em>ptr</em></td><td>)</td>
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    374. 

  374. 

  375. <p>Build a vector from a pointer. </p>
    376. 

  376. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
    377. 

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  385.           <td class="memname">GLM_FUNC_DECL tvec3&lt;T, defaultp&gt; glm::make_vec3 </td>
    386. 

  386.           <td>(</td>
    387. 

  387.           <td class="paramtype">T const *const&#160;</td>
    388. 

  388.           <td class="paramname"><em>ptr</em></td><td>)</td>
    389. 

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  392. </div><div class="memdoc">
    393. 

  393. 

  394. <p>Build a vector from a pointer. </p>
    395. 

  395. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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  404.           <td class="memname">GLM_FUNC_DECL tvec4&lt;T, defaultp&gt; glm::make_vec4 </td>
    405. 

  405.           <td>(</td>
    406. 

  406.           <td class="paramtype">T const *const&#160;</td>
    407. 

  407.           <td class="paramname"><em>ptr</em></td><td>)</td>
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    412. 

  412. 

  413. <p>Build a vector from a pointer. </p>
    414. 

  414. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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    423. 

  423.           <td class="memname">GLM_FUNC_DECL genType::value_type const* glm::value_ptr </td>
    424. 

  424.           <td>(</td>
    425. 

  425.           <td class="paramtype">genType const &amp;&#160;</td>
    426. 

  426.           <td class="paramname"><em>vec</em></td><td>)</td>
    427. 

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    428. 

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    431. 

  431. 

  432. <p>Return the constant address to the data of the input parameter. </p>
    433. 

  433. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00182.html" title="Handles the interaction between pointers and vector, matrix types. ">GLM_GTC_type_ptr</a> </dd></dl>
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