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<a href="a00533.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// Dependency:</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;../glm.hpp&quot;</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../gtx/vector_query.hpp&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#ifndef GLM_ENABLE_EXPERIMENTAL</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor"># error &quot;GLM: GLM_GTX_matrix_query is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.&quot;</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#if GLM_MESSAGES == GLM_ENABLE &amp;&amp; !defined(GLM_EXT_INCLUDED)</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_matrix_query extension included&quot;)</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span><a class="code" href="a00792.html">glm</a></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">isNull</a>(mat&lt;2, 2, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">isNull</a>(mat&lt;3, 3, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">isNull</a>(mat&lt;4, 4, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">template</span>&lt;length_t C, length_t R, <span class="keyword">typename</span> T, qualifier Q, <span class="keyword">template</span>&lt;length_t, length_t, <span class="keyword">typename</span>, qualifier&gt; <span class="keyword">class </span>matType&gt;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#gaee935d145581c82e82b154ccfd78ad91">isIdentity</a>(matType&lt;C, R, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">isNormalized</a>(mat&lt;2, 2, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">isNormalized</a>(mat&lt;3, 3, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, qualifier Q&gt;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">isNormalized</a>(mat&lt;4, 4, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">template</span>&lt;length_t C, length_t R, <span class="keyword">typename</span> T, qualifier Q, <span class="keyword">template</span>&lt;length_t, length_t, <span class="keyword">typename</span>, qualifier&gt; <span class="keyword">class </span>matType&gt;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00757.html#ga58f3289f74dcab653387dd78ad93ca40">isOrthogonal</a>(matType&lt;C, R, T, Q&gt; <span class="keyword">const</span>&amp; m, T <span class="keyword">const</span>&amp; <a class="code" href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">epsilon</a>);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;}<span class="comment">//namespace glm</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="preprocessor">#include &quot;matrix_query.inl&quot;</span></div><div class="ttc" id="a00757_html_ga2b98bb30a9fefa7cdea5f1dcddba677b"><div class="ttname"><a href="a00757.html#ga2b98bb30a9fefa7cdea5f1dcddba677b">glm::isNull</a></div><div class="ttdeci">GLM_FUNC_DECL bool isNull(mat&lt; 4, 4, T, Q &gt; const &amp;m, T const &amp;epsilon)</div><div class="ttdoc">Return whether a matrix is a null matrix. </div></div>
<div class="ttc" id="a00680_html_ga2a1e57fc5592b69cfae84174cbfc9429"><div class="ttname"><a href="a00680.html#ga2a1e57fc5592b69cfae84174cbfc9429">glm::epsilon</a></div><div class="ttdeci">GLM_FUNC_DECL GLM_CONSTEXPR genType epsilon()</div><div class="ttdoc">Return the epsilon constant for floating point types. </div></div>
<div class="ttc" id="a00757_html_ga4d9bb4d0465df49fedfad79adc6ce4ad"><div class="ttname"><a href="a00757.html#ga4d9bb4d0465df49fedfad79adc6ce4ad">glm::isNormalized</a></div><div class="ttdeci">GLM_FUNC_DECL bool isNormalized(mat&lt; 4, 4, T, Q &gt; const &amp;m, T const &amp;epsilon)</div><div class="ttdoc">Return whether a matrix is a normalized matrix. </div></div>
<div class="ttc" id="a00757_html_ga58f3289f74dcab653387dd78ad93ca40"><div class="ttname"><a href="a00757.html#ga58f3289f74dcab653387dd78ad93ca40">glm::isOrthogonal</a></div><div class="ttdeci">GLM_FUNC_DECL bool isOrthogonal(matType&lt; C, R, T, Q &gt; const &amp;m, T const &amp;epsilon)</div><div class="ttdoc">Return whether a matrix is an orthonormalized matrix. </div></div>
<div class="ttc" id="a00757_html_gaee935d145581c82e82b154ccfd78ad91"><div class="ttname"><a href="a00757.html#gaee935d145581c82e82b154ccfd78ad91">glm::isIdentity</a></div><div class="ttdeci">GLM_FUNC_DECL bool isIdentity(matType&lt; C, R, T, Q &gt; const &amp;m, T const &amp;epsilon)</div><div class="ttdoc">Return whether a matrix is an identity matrix. </div></div>
<div class="ttc" id="a00792_html"><div class="ttname"><a href="a00792.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00002_source.html#l00020">common.hpp:20</a></div></div>
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