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  64. <div class="header">
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    66. 

  66. <a href="#func-members">Functions</a>  </div>
    67. 

  67.   <div class="headertitle">
    68. 

  68. <div class="title">GLM_GTX_matrix_query<div class="ingroups"><a class="el" href="a00905.html">Experimental extensions</a></div></div>  </div>
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  69. </div><!--header-->
    70. 

  70. <div class="contents">
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  71. <table class="memberdecls">
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  72. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    73. 

  73. Functions</h2></td></tr>
    74. 

  74. <tr class="memitem:gaee935d145581c82e82b154ccfd78ad91"><td class="memTemplParams" colspan="2">template&lt;length_t C, length_t R, typename T , qualifier Q, template&lt; length_t, length_t, typename, qualifier &gt; class matType&gt; </td></tr>
    75. 

  75. <tr class="memitem:gaee935d145581c82e82b154ccfd78ad91"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#gaee935d145581c82e82b154ccfd78ad91">isIdentity</a> (matType&lt; C, R, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    76. 

  76. <tr class="memdesc:gaee935d145581c82e82b154ccfd78ad91"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is an identity matrix.  <a href="a00959.html#gaee935d145581c82e82b154ccfd78ad91">More...</a><br /></td></tr>
    77. 

  77. <tr class="separator:gaee935d145581c82e82b154ccfd78ad91"><td class="memSeparator" colspan="2">&#160;</td></tr>
    78. 

  78. <tr class="memitem:gae785af56f47ce220a1609f7f84aa077a"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    79. 

  79. <tr class="memitem:gae785af56f47ce220a1609f7f84aa077a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#gae785af56f47ce220a1609f7f84aa077a">isNormalized</a> (mat&lt; 2, 2, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    80. 

  80. <tr class="memdesc:gae785af56f47ce220a1609f7f84aa077a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is a normalized matrix.  <a href="a00959.html#gae785af56f47ce220a1609f7f84aa077a">More...</a><br /></td></tr>
    81. 

  81. <tr class="separator:gae785af56f47ce220a1609f7f84aa077a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    82. 

  82. <tr class="memitem:gaa068311695f28f5f555f5f746a6a66fb"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    83. 

  83. <tr class="memitem:gaa068311695f28f5f555f5f746a6a66fb"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#gaa068311695f28f5f555f5f746a6a66fb">isNormalized</a> (mat&lt; 3, 3, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    84. 

  84. <tr class="memdesc:gaa068311695f28f5f555f5f746a6a66fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is a normalized matrix.  <a href="a00959.html#gaa068311695f28f5f555f5f746a6a66fb">More...</a><br /></td></tr>
    85. 

  85. <tr class="separator:gaa068311695f28f5f555f5f746a6a66fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  86. <tr class="memitem:ga4d9bb4d0465df49fedfad79adc6ce4ad"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    87. 

  87. <tr class="memitem:ga4d9bb4d0465df49fedfad79adc6ce4ad"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">isNormalized</a> (mat&lt; 4, 4, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    88. 

  88. <tr class="memdesc:ga4d9bb4d0465df49fedfad79adc6ce4ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is a normalized matrix.  <a href="a00959.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">More...</a><br /></td></tr>
    89. 

  89. <tr class="separator:ga4d9bb4d0465df49fedfad79adc6ce4ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
    90. 

  90. <tr class="memitem:ga9790ec222ce948c0ff0d8ce927340dba"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    91. 

  91. <tr class="memitem:ga9790ec222ce948c0ff0d8ce927340dba"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#ga9790ec222ce948c0ff0d8ce927340dba">isNull</a> (mat&lt; 2, 2, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    92. 

  92. <tr class="memdesc:ga9790ec222ce948c0ff0d8ce927340dba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix a null matrix.  <a href="a00959.html#ga9790ec222ce948c0ff0d8ce927340dba">More...</a><br /></td></tr>
    93. 

  93. <tr class="separator:ga9790ec222ce948c0ff0d8ce927340dba"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  94. <tr class="memitem:gae14501c6b14ccda6014cc5350080103d"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    95. 

  95. <tr class="memitem:gae14501c6b14ccda6014cc5350080103d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#gae14501c6b14ccda6014cc5350080103d">isNull</a> (mat&lt; 3, 3, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    96. 

  96. <tr class="memdesc:gae14501c6b14ccda6014cc5350080103d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix a null matrix.  <a href="a00959.html#gae14501c6b14ccda6014cc5350080103d">More...</a><br /></td></tr>
    97. 

  97. <tr class="separator:gae14501c6b14ccda6014cc5350080103d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    98. 

  98. <tr class="memitem:ga2b98bb30a9fefa7cdea5f1dcddba677b"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    99. 

  99. <tr class="memitem:ga2b98bb30a9fefa7cdea5f1dcddba677b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">isNull</a> (mat&lt; 4, 4, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    100. 

  100. <tr class="memdesc:ga2b98bb30a9fefa7cdea5f1dcddba677b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is a null matrix.  <a href="a00959.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">More...</a><br /></td></tr>
    101. 

  101. <tr class="separator:ga2b98bb30a9fefa7cdea5f1dcddba677b"><td class="memSeparator" colspan="2">&#160;</td></tr>
    102. 

  102. <tr class="memitem:ga58f3289f74dcab653387dd78ad93ca40"><td class="memTemplParams" colspan="2">template&lt;length_t C, length_t R, typename T , qualifier Q, template&lt; length_t, length_t, typename, qualifier &gt; class matType&gt; </td></tr>
    103. 

  103. <tr class="memitem:ga58f3289f74dcab653387dd78ad93ca40"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00959.html#ga58f3289f74dcab653387dd78ad93ca40">isOrthogonal</a> (matType&lt; C, R, T, Q &gt; const &amp;m, T const &amp;epsilon)</td></tr>
    104. 

  104. <tr class="memdesc:ga58f3289f74dcab653387dd78ad93ca40"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return whether a matrix is an orthonormalized matrix.  <a href="a00959.html#ga58f3289f74dcab653387dd78ad93ca40">More...</a><br /></td></tr>
    105. 

  105. <tr class="separator:ga58f3289f74dcab653387dd78ad93ca40"><td class="memSeparator" colspan="2">&#160;</td></tr>
    106. 

  106. </table>
    107. 

  107. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    108. 

  108. <p>Include &lt;<a class="el" href="a00677.html" title="GLM_GTX_matrix_query">glm/gtx/matrix_query.hpp</a>&gt; to use the features of this extension.</p>
    109. 

  109. <p>Query to evaluate matrix properties </p>
    110. 

  110. <h2 class="groupheader">Function Documentation</h2>
    111. 

  111. <a id="gaee935d145581c82e82b154ccfd78ad91"></a>
    112. 

  112. <h2 class="memtitle"><span class="permalink"><a href="#gaee935d145581c82e82b154ccfd78ad91">&#9670;&nbsp;</a></span>isIdentity()</h2>
    113. 

  113. 

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

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

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

  117.         <tr>
    118. 

  118.           <td class="memname">GLM_FUNC_DECL bool glm::isIdentity </td>
    119. 

  119.           <td>(</td>
    120. 

  120.           <td class="paramtype">matType&lt; C, R, T, Q &gt; const &amp;&#160;</td>
    121. 

  121.           <td class="paramname"><em>m</em>, </td>
    122. 

  122.         </tr>
    123. 

  123.         <tr>
    124. 

  124.           <td class="paramkey"></td>
    125. 

  125.           <td></td>
    126. 

  126.           <td class="paramtype">T const &amp;&#160;</td>
    127. 

  127.           <td class="paramname"><em>epsilon</em>&#160;</td>
    128. 

  128.         </tr>
    129. 

  129.         <tr>
    130. 

  130.           <td></td>
    131. 

  131.           <td>)</td>
    132. 

  132.           <td></td><td></td>
    133. 

  133.         </tr>
    134. 

  134.       </table>
    135. 

  135. </div><div class="memdoc">
    136. 

  136. 

  137. <p>Return whether a matrix is an identity matrix. </p>
    138. 

  138. <p>From GLM_GTX_matrix_query extension. </p>
    139. 

  139. 

  140. </div>
    141. 

  141. </div>
    142. 

  142. <a id="gae785af56f47ce220a1609f7f84aa077a"></a>
    143. 

  143. <h2 class="memtitle"><span class="permalink"><a href="#gae785af56f47ce220a1609f7f84aa077a">&#9670;&nbsp;</a></span>isNormalized() <span class="overload">[1/3]</span></h2>
    144. 

  144. 

  145. <div class="memitem">
    146. 

  146. <div class="memproto">
    147. 

  147.       <table class="memname">
    148. 

  148.         <tr>
    149. 

  149.           <td class="memname">GLM_FUNC_DECL bool glm::isNormalized </td>
    150. 

  150.           <td>(</td>
    151. 

  151.           <td class="paramtype">mat&lt; 2, 2, T, Q &gt; const &amp;&#160;</td>
    152. 

  152.           <td class="paramname"><em>m</em>, </td>
    153. 

  153.         </tr>
    154. 

  154.         <tr>
    155. 

  155.           <td class="paramkey"></td>
    156. 

  156.           <td></td>
    157. 

  157.           <td class="paramtype">T const &amp;&#160;</td>
    158. 

  158.           <td class="paramname"><em>epsilon</em>&#160;</td>
    159. 

  159.         </tr>
    160. 

  160.         <tr>
    161. 

  161.           <td></td>
    162. 

  162.           <td>)</td>
    163. 

  163.           <td></td><td></td>
    164. 

  164.         </tr>
    165. 

  165.       </table>
    166. 

  166. </div><div class="memdoc">
    167. 

  167. 

  168. <p>Return whether a matrix is a normalized matrix. </p>
    169. 

  169. <p>From GLM_GTX_matrix_query extension. </p>
    170. 

  170. 

  171. </div>
    172. 

  172. </div>
    173. 

  173. <a id="gaa068311695f28f5f555f5f746a6a66fb"></a>
    174. 

  174. <h2 class="memtitle"><span class="permalink"><a href="#gaa068311695f28f5f555f5f746a6a66fb">&#9670;&nbsp;</a></span>isNormalized() <span class="overload">[2/3]</span></h2>
    175. 

  175. 

  176. <div class="memitem">
    177. 

  177. <div class="memproto">
    178. 

  178.       <table class="memname">
    179. 

  179.         <tr>
    180. 

  180.           <td class="memname">GLM_FUNC_DECL bool glm::isNormalized </td>
    181. 

  181.           <td>(</td>
    182. 

  182.           <td class="paramtype">mat&lt; 3, 3, T, Q &gt; const &amp;&#160;</td>
    183. 

  183.           <td class="paramname"><em>m</em>, </td>
    184. 

  184.         </tr>
    185. 

  185.         <tr>
    186. 

  186.           <td class="paramkey"></td>
    187. 

  187.           <td></td>
    188. 

  188.           <td class="paramtype">T const &amp;&#160;</td>
    189. 

  189.           <td class="paramname"><em>epsilon</em>&#160;</td>
    190. 

  190.         </tr>
    191. 

  191.         <tr>
    192. 

  192.           <td></td>
    193. 

  193.           <td>)</td>
    194. 

  194.           <td></td><td></td>
    195. 

  195.         </tr>
    196. 

  196.       </table>
    197. 

  197. </div><div class="memdoc">
    198. 

  198. 

  199. <p>Return whether a matrix is a normalized matrix. </p>
    200. 

  200. <p>From GLM_GTX_matrix_query extension. </p>
    201. 

  201. 

  202. </div>
    203. 

  203. </div>
    204. 

  204. <a id="ga4d9bb4d0465df49fedfad79adc6ce4ad"></a>
    205. 

  205. <h2 class="memtitle"><span class="permalink"><a href="#ga4d9bb4d0465df49fedfad79adc6ce4ad">&#9670;&nbsp;</a></span>isNormalized() <span class="overload">[3/3]</span></h2>
    206. 

  206. 

  207. <div class="memitem">
    208. 

  208. <div class="memproto">
    209. 

  209.       <table class="memname">
    210. 

  210.         <tr>
    211. 

  211.           <td class="memname">GLM_FUNC_DECL bool glm::isNormalized </td>
    212. 

  212.           <td>(</td>
    213. 

  213.           <td class="paramtype">mat&lt; 4, 4, T, Q &gt; const &amp;&#160;</td>
    214. 

  214.           <td class="paramname"><em>m</em>, </td>
    215. 

  215.         </tr>
    216. 

  216.         <tr>
    217. 

  217.           <td class="paramkey"></td>
    218. 

  218.           <td></td>
    219. 

  219.           <td class="paramtype">T const &amp;&#160;</td>
    220. 

  220.           <td class="paramname"><em>epsilon</em>&#160;</td>
    221. 

  221.         </tr>
    222. 

  222.         <tr>
    223. 

  223.           <td></td>
    224. 

  224.           <td>)</td>
    225. 

  225.           <td></td><td></td>
    226. 

  226.         </tr>
    227. 

  227.       </table>
    228. 

  228. </div><div class="memdoc">
    229. 

  229. 

  230. <p>Return whether a matrix is a normalized matrix. </p>
    231. 

  231. <p>From GLM_GTX_matrix_query extension. </p>
    232. 

  232. 

  233. </div>
    234. 

  234. </div>
    235. 

  235. <a id="ga9790ec222ce948c0ff0d8ce927340dba"></a>
    236. 

  236. <h2 class="memtitle"><span class="permalink"><a href="#ga9790ec222ce948c0ff0d8ce927340dba">&#9670;&nbsp;</a></span>isNull() <span class="overload">[1/3]</span></h2>
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  237. 

  238. <div class="memitem">
    239. 

  239. <div class="memproto">
    240. 

  240.       <table class="memname">
    241. 

  241.         <tr>
    242. 

  242.           <td class="memname">GLM_FUNC_DECL bool glm::isNull </td>
    243. 

  243.           <td>(</td>
    244. 

  244.           <td class="paramtype">mat&lt; 2, 2, T, Q &gt; const &amp;&#160;</td>
    245. 

  245.           <td class="paramname"><em>m</em>, </td>
    246. 

  246.         </tr>
    247. 

  247.         <tr>
    248. 

  248.           <td class="paramkey"></td>
    249. 

  249.           <td></td>
    250. 

  250.           <td class="paramtype">T const &amp;&#160;</td>
    251. 

  251.           <td class="paramname"><em>epsilon</em>&#160;</td>
    252. 

  252.         </tr>
    253. 

  253.         <tr>
    254. 

  254.           <td></td>
    255. 

  255.           <td>)</td>
    256. 

  256.           <td></td><td></td>
    257. 

  257.         </tr>
    258. 

  258.       </table>
    259. 

  259. </div><div class="memdoc">
    260. 

  260. 

  261. <p>Return whether a matrix a null matrix. </p>
    262. 

  262. <p>From GLM_GTX_matrix_query extension. </p>
    263. 

  263. 

  264. </div>
    265. 

  265. </div>
    266. 

  266. <a id="gae14501c6b14ccda6014cc5350080103d"></a>
    267. 

  267. <h2 class="memtitle"><span class="permalink"><a href="#gae14501c6b14ccda6014cc5350080103d">&#9670;&nbsp;</a></span>isNull() <span class="overload">[2/3]</span></h2>
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  268. 

  269. <div class="memitem">
    270. 

  270. <div class="memproto">
    271. 

  271.       <table class="memname">
    272. 

  272.         <tr>
    273. 

  273.           <td class="memname">GLM_FUNC_DECL bool glm::isNull </td>
    274. 

  274.           <td>(</td>
    275. 

  275.           <td class="paramtype">mat&lt; 3, 3, T, Q &gt; const &amp;&#160;</td>
    276. 

  276.           <td class="paramname"><em>m</em>, </td>
    277. 

  277.         </tr>
    278. 

  278.         <tr>
    279. 

  279.           <td class="paramkey"></td>
    280. 

  280.           <td></td>
    281. 

  281.           <td class="paramtype">T const &amp;&#160;</td>
    282. 

  282.           <td class="paramname"><em>epsilon</em>&#160;</td>
    283. 

  283.         </tr>
    284. 

  284.         <tr>
    285. 

  285.           <td></td>
    286. 

  286.           <td>)</td>
    287. 

  287.           <td></td><td></td>
    288. 

  288.         </tr>
    289. 

  289.       </table>
    290. 

  290. </div><div class="memdoc">
    291. 

  291. 

  292. <p>Return whether a matrix a null matrix. </p>
    293. 

  293. <p>From GLM_GTX_matrix_query extension. </p>
    294. 

  294. 

  295. </div>
    296. 

  296. </div>
    297. 

  297. <a id="ga2b98bb30a9fefa7cdea5f1dcddba677b"></a>
    298. 

  298. <h2 class="memtitle"><span class="permalink"><a href="#ga2b98bb30a9fefa7cdea5f1dcddba677b">&#9670;&nbsp;</a></span>isNull() <span class="overload">[3/3]</span></h2>
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  299. 

  300. <div class="memitem">
    301. 

  301. <div class="memproto">
    302. 

  302.       <table class="memname">
    303. 

  303.         <tr>
    304. 

  304.           <td class="memname">GLM_FUNC_DECL bool glm::isNull </td>
    305. 

  305.           <td>(</td>
    306. 

  306.           <td class="paramtype">mat&lt; 4, 4, T, Q &gt; const &amp;&#160;</td>
    307. 

  307.           <td class="paramname"><em>m</em>, </td>
    308. 

  308.         </tr>
    309. 

  309.         <tr>
    310. 

  310.           <td class="paramkey"></td>
    311. 

  311.           <td></td>
    312. 

  312.           <td class="paramtype">T const &amp;&#160;</td>
    313. 

  313.           <td class="paramname"><em>epsilon</em>&#160;</td>
    314. 

  314.         </tr>
    315. 

  315.         <tr>
    316. 

  316.           <td></td>
    317. 

  317.           <td>)</td>
    318. 

  318.           <td></td><td></td>
    319. 

  319.         </tr>
    320. 

  320.       </table>
    321. 

  321. </div><div class="memdoc">
    322. 

  322. 

  323. <p>Return whether a matrix is a null matrix. </p>
    324. 

  324. <p>From GLM_GTX_matrix_query extension. </p>
    325. 

  325. 

  326. </div>
    327. 

  327. </div>
    328. 

  328. <a id="ga58f3289f74dcab653387dd78ad93ca40"></a>
    329. 

  329. <h2 class="memtitle"><span class="permalink"><a href="#ga58f3289f74dcab653387dd78ad93ca40">&#9670;&nbsp;</a></span>isOrthogonal()</h2>
    330. 

  330. 

  331. <div class="memitem">
    332. 

  332. <div class="memproto">
    333. 

  333.       <table class="memname">
    334. 

  334.         <tr>
    335. 

  335.           <td class="memname">GLM_FUNC_DECL bool glm::isOrthogonal </td>
    336. 

  336.           <td>(</td>
    337. 

  337.           <td class="paramtype">matType&lt; C, R, T, Q &gt; const &amp;&#160;</td>
    338. 

  338.           <td class="paramname"><em>m</em>, </td>
    339. 

  339.         </tr>
    340. 

  340.         <tr>
    341. 

  341.           <td class="paramkey"></td>
    342. 

  342.           <td></td>
    343. 

  343.           <td class="paramtype">T const &amp;&#160;</td>
    344. 

  344.           <td class="paramname"><em>epsilon</em>&#160;</td>
    345. 

  345.         </tr>
    346. 

  346.         <tr>
    347. 

  347.           <td></td>
    348. 

  348.           <td>)</td>
    349. 

  349.           <td></td><td></td>
    350. 

  350.         </tr>
    351. 

  351.       </table>
    352. 

  352. </div><div class="memdoc">
    353. 

  353. 

  354. <p>Return whether a matrix is an orthonormalized matrix. </p>
    355. 

  355. <p>From GLM_GTX_matrix_query extension. </p>
    356. 

  356. 

  357. </div>
    358. 

  358. </div>
    359. 

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    360. 

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