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  44. <li class="navelem"><a class="el" href="dir_934f46a345653ef2b3014a1b37a162c1.html">G:</a></li><li class="navelem"><a class="el" href="dir_98f7f9d41f9d3029bd68cf237526a774.html">Source</a></li><li class="navelem"><a class="el" href="dir_9344afb825aed5e2f5be1d2015dde43c.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_45973f864e07b2505003ae343b7c8af7.html">glm</a></li><li class="navelem"><a class="el" href="dir_304be5dfae1339a7705426c0b536faf2.html">glm</a></li><li class="navelem"><a class="el" href="dir_7997edb062bdde9a99cb6835d42b0d9d.html">gtc</a></li> </ul>
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  49. <div class="title">round.hpp</div> </div>
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  51. <div class="contents">
  52. <a href="a00096.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>
  53. <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#pragma once</span></div>
  54. <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div>
  55. <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment">// Dependencies</span></div>
  56. <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;../detail/setup.hpp&quot;</span></div>
  57. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../detail/precision.hpp&quot;</span></div>
  58. <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;../detail/_vectorize.hpp&quot;</span></div>
  59. <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../vector_relational.hpp&quot;</span></div>
  60. <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;../common.hpp&quot;</span></div>
  61. <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div>
  62. <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
  63. <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#if GLM_MESSAGES == GLM_MESSAGES_ENABLED &amp;&amp; !defined(GLM_EXT_INCLUDED)</span></div>
  64. <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"># pragma message(&quot;GLM: GLM_GTC_integer extension included&quot;)</span></div>
  65. <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#endif</span></div>
  66. <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
  67. <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span><a class="code" href="a00140.html">glm</a></div>
  68. <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;{</div>
  69. <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
  70. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType&gt;</div>
  71. <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="a00175.html#gad454e4c8d8cd73ddc7de855f733a1465">isPowerOfTwo</a>(genIUType Value);</div>
  72. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
  73. <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  74. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; GLM_FUNC_DECL vecType&lt;bool, P&gt; <a class="code" href="a00175.html#gad454e4c8d8cd73ddc7de855f733a1465">isPowerOfTwo</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; value);</div>
  75. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;</div>
  76. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType&gt;</div>
  77. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; GLM_FUNC_DECL genIUType <a class="code" href="a00175.html#ga76ec9b214ea1376fe09a903e34bab847">ceilPowerOfTwo</a>(genIUType Value);</div>
  78. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
  79. <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, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  80. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#ga76ec9b214ea1376fe09a903e34bab847">ceilPowerOfTwo</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; value);</div>
  81. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
  82. <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType&gt;</div>
  83. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; GLM_FUNC_DECL genIUType <a class="code" href="a00175.html#ga6a5a8f6dd1b2f755e4572bd039062c37">floorPowerOfTwo</a>(genIUType Value);</div>
  84. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div>
  85. <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  86. <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#ga6a5a8f6dd1b2f755e4572bd039062c37">floorPowerOfTwo</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; value);</div>
  87. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
  88. <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType&gt;</div>
  89. <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; GLM_FUNC_DECL genIUType <a class="code" href="a00175.html#gae95be3b384f3bbd00c6c1cf0a1f96485">roundPowerOfTwo</a>(genIUType Value);</div>
  90. <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
  91. <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  92. <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#gae95be3b384f3bbd00c6c1cf0a1f96485">roundPowerOfTwo</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; value);</div>
  93. <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
  94. <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType&gt;</div>
  95. <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; GLM_FUNC_DECL <span class="keywordtype">bool</span> <a class="code" href="a00175.html#ga7ae705574ef3e3ebfb4f537d8d285c48">isMultiple</a>(genIUType Value, genIUType Multiple);</div>
  96. <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
  97. <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  98. <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; GLM_FUNC_DECL vecType&lt;bool, P&gt; <a class="code" href="a00175.html#ga7ae705574ef3e3ebfb4f537d8d285c48">isMultiple</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Value, T Multiple);</div>
  99. <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
  100. <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  101. <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; GLM_FUNC_DECL vecType&lt;bool, P&gt; <a class="code" href="a00175.html#ga7ae705574ef3e3ebfb4f537d8d285c48">isMultiple</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Value, vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Multiple);</div>
  102. <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
  103. <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
  104. <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00175.html#gafe632af669ac57d670ca18e3665a12ca">ceilMultiple</a>(genType Source, genType Multiple);</div>
  105. <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
  106. <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  107. <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#gafe632af669ac57d670ca18e3665a12ca">ceilMultiple</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Source, vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Multiple);</div>
  108. <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
  109. <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
  110. <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00175.html#ga6912db42d43873fe1dedb3aed2b7a239">floorMultiple</a>(</div>
  111. <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; genType Source,</div>
  112. <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; genType Multiple);</div>
  113. <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
  114. <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  115. <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#ga6912db42d43873fe1dedb3aed2b7a239">floorMultiple</a>(</div>
  116. <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Source,</div>
  117. <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Multiple);</div>
  118. <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
  119. <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
  120. <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00175.html#ga10a8ab7b254257b607b6a3fc68c3e661">roundMultiple</a>(</div>
  121. <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; genType Source,</div>
  122. <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; genType Multiple);</div>
  123. <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;</div>
  124. <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
  125. <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00175.html#ga10a8ab7b254257b607b6a3fc68c3e661">roundMultiple</a>(</div>
  126. <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Source,</div>
  127. <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; Multiple);</div>
  128. <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;</div>
  129. <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;} <span class="comment">//namespace glm</span></div>
  130. <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
  131. <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="preprocessor">#include &quot;round.inl&quot;</span></div>
  132. <div class="ttc" id="a00175_html_gad454e4c8d8cd73ddc7de855f733a1465"><div class="ttname"><a href="a00175.html#gad454e4c8d8cd73ddc7de855f733a1465">glm::isPowerOfTwo</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; bool, P &gt; isPowerOfTwo(vecType&lt; T, P &gt; const &amp;value)</div><div class="ttdoc">Return true if the value is a power of two number. </div></div>
  133. <div class="ttc" id="a00175_html_ga7ae705574ef3e3ebfb4f537d8d285c48"><div class="ttname"><a href="a00175.html#ga7ae705574ef3e3ebfb4f537d8d285c48">glm::isMultiple</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; bool, P &gt; isMultiple(vecType&lt; T, P &gt; const &amp;Value, vecType&lt; T, P &gt; const &amp;Multiple)</div><div class="ttdoc">Return true if the &#39;Value&#39; is a multiple of &#39;Multiple&#39;. </div></div>
  134. <div class="ttc" id="a00175_html_gafe632af669ac57d670ca18e3665a12ca"><div class="ttname"><a href="a00175.html#gafe632af669ac57d670ca18e3665a12ca">glm::ceilMultiple</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; ceilMultiple(vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</div><div class="ttdoc">Higher multiple number of Source. </div></div>
  135. <div class="ttc" id="a00175_html_gae95be3b384f3bbd00c6c1cf0a1f96485"><div class="ttname"><a href="a00175.html#gae95be3b384f3bbd00c6c1cf0a1f96485">glm::roundPowerOfTwo</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; roundPowerOfTwo(vecType&lt; T, P &gt; const &amp;value)</div><div class="ttdoc">Return the power of two number which value is the closet to the input value. </div></div>
  136. <div class="ttc" id="a00175_html_ga10a8ab7b254257b607b6a3fc68c3e661"><div class="ttname"><a href="a00175.html#ga10a8ab7b254257b607b6a3fc68c3e661">glm::roundMultiple</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; roundMultiple(vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</div><div class="ttdoc">Lower multiple number of Source. </div></div>
  137. <div class="ttc" id="a00175_html_ga6a5a8f6dd1b2f755e4572bd039062c37"><div class="ttname"><a href="a00175.html#ga6a5a8f6dd1b2f755e4572bd039062c37">glm::floorPowerOfTwo</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; floorPowerOfTwo(vecType&lt; T, P &gt; const &amp;value)</div><div class="ttdoc">Return the power of two number which value is just lower the input value, round down to a power of tw...</div></div>
  138. <div class="ttc" id="a00140_html"><div class="ttname"><a href="a00140.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00011">_noise.hpp:11</a></div></div>
  139. <div class="ttc" id="a00175_html_ga76ec9b214ea1376fe09a903e34bab847"><div class="ttname"><a href="a00175.html#ga76ec9b214ea1376fe09a903e34bab847">glm::ceilPowerOfTwo</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; ceilPowerOfTwo(vecType&lt; T, P &gt; const &amp;value)</div><div class="ttdoc">Return the power of two number which value is just higher the input value, round up to a power of two...</div></div>
  140. <div class="ttc" id="a00175_html_ga6912db42d43873fe1dedb3aed2b7a239"><div class="ttname"><a href="a00175.html#ga6912db42d43873fe1dedb3aed2b7a239">glm::floorMultiple</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; floorMultiple(vecType&lt; T, P &gt; const &amp;Source, vecType&lt; T, P &gt; const &amp;Multiple)</div><div class="ttdoc">Lower multiple number of Source. </div></div>
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