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  36.   <div class="headertitle">
    37. 

  37. <div class="title">bit.hpp</div>  </div>
    38. 

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    39. 

  39. <div class="contents">
    40. 

  40. <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
    41. 

  41. <a name="l00002"></a>00002 <span class="comment">// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)</span>
    42. 

  42. <a name="l00004"></a>00004 <span class="comment"></span><span class="comment">// Created : 2007-03-14</span>
    43. 

  43. <a name="l00005"></a>00005 <span class="comment">// Updated : 2008-11-14</span>
    44. 

  44. <a name="l00006"></a>00006 <span class="comment">// Licence : This source is under MIT License</span>
    45. 

  45. <a name="l00007"></a>00007 <span class="comment">// File    : glm/gtx/bit.hpp</span>
    46. 

  46. <a name="l00009"></a>00009 <span class="comment"></span><span class="comment">// Dependency:</span>
    47. 

  47. <a name="l00010"></a>00010 <span class="comment">// - GLM core</span>
    48. 

  48. <a name="l00011"></a>00011 <span class="comment">// - GLM_GTC_half_float</span>
    49. 

  49. <a name="l00013"></a>00013 <span class="comment"></span>
    50. 

  50. <a name="l00014"></a>00014 <span class="preprocessor">#ifndef glm_gtx_bit</span>
    51. 

  51. <a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#define glm_gtx_bit</span>
    52. 

  52. <a name="l00016"></a>00016 <span class="preprocessor"></span>
    53. 

  53. <a name="l00017"></a>00017 <span class="comment">// Dependency:</span>
    54. 

  54. <a name="l00018"></a>00018 <span class="preprocessor">#include &quot;../glm.hpp&quot;</span>
    55. 

  55. <a name="l00019"></a>00019 <span class="preprocessor">#include &quot;../gtc/half_float.hpp&quot;</span>
    56. 

  56. <a name="l00020"></a>00020 
    57. 

  57. <a name="l00021"></a>00021 <span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(glm_ext))</span>
    58. 

  58. <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#       pragma message(&quot;GLM: GLM_GTX_bit extension included&quot;)</span>
    59. 

  59. <a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    60. 

  60. <a name="l00024"></a>00024 <span class="preprocessor"></span>
    61. 

  61. <a name="l00025"></a>00025 <span class="keyword">namespace </span>glm{
    62. 

  62. <a name="l00026"></a>00026 <span class="keyword">namespace </span>gtx{
    63. 

  63. <a name="l00027"></a><a class="code" href="a00170.html">00027</a> <span class="keyword">namespace </span>bit 
    64. 

  64. <a name="l00028"></a>00028 {
    65. 

  65. <a name="l00029"></a>00029         <span class="keyword">using namespace </span>gtc::half_float;
    66. 

  66. <a name="l00030"></a>00030 
    67. 

  67. <a name="l00033"></a>00033 
    68. 

  68. <a name="l00036"></a>00036         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIType&gt;
    69. 

  69. <a name="l00037"></a>00037         genIType <a class="code" href="a00250.html#ga31dbf05c851060984e107afb39dde5fe" title="Build a mask of &#39;count&#39; bits From GLM_GTX_bit extension.">mask</a>(genIType <span class="keyword">const</span> &amp; count);
    70. 

  70. <a name="l00038"></a>00038 
    71. 

  71. <a name="l00042"></a>00042         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genIUType, <span class="keyword">typename</span> sizeType&gt;
    72. 

  72. <a name="l00043"></a>00043         genIUType <a class="code" href="a00250.html#ga244734bb54e4648970c38b032258035a" title="Component wise extraction of bit fields.">extractField</a>(
    73. 

  73. <a name="l00044"></a>00044                 genIUType <span class="keyword">const</span> &amp; v, 
    74. 

  74. <a name="l00045"></a>00045                 sizeType <span class="keyword">const</span> &amp; first, 
    75. 

  75. <a name="l00046"></a>00046                 sizeType <span class="keyword">const</span> &amp; count);
    76. 

  76. <a name="l00047"></a>00047 
    77. 

  77. <a name="l00050"></a>00050         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    78. 

  78. <a name="l00051"></a>00051         <span class="keywordtype">int</span> <a class="code" href="a00250.html#gace8029d9e9090f2aaa0248e320b3f24c" title="Find the lowest bit set to 1 in a integer variable.">lowestBit</a>(genType <span class="keyword">const</span> &amp; value);
    79. 

  79. <a name="l00052"></a>00052 
    80. 

  80. <a name="l00055"></a>00055         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    81. 

  81. <a name="l00056"></a>00056         <span class="keywordtype">int</span> <a class="code" href="a00250.html#ga55e17a1e9347ca10d206f62ffe294608" title="Find the highest bit set to 1 in a integer variable.">highestBit</a>(genType <span class="keyword">const</span> &amp; value);
    82. 

  82. <a name="l00057"></a>00057 
    83. 

  83. <a name="l00060"></a>00060         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    84. 

  84. <a name="l00061"></a>00061         genType <a class="code" href="a00250.html#ga2e2ba1398ef471e40e6a07cbab9a75fe" title="Find the highest bit set to 1 in a integer variable and return its value.">highestBitValue</a>(genType <span class="keyword">const</span> &amp; value);
    85. 

  85. <a name="l00062"></a>00062 
    86. 

  86. <a name="l00065"></a>00065         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    87. 

  87. <a name="l00066"></a>00066         <span class="keywordtype">bool</span> <a class="code" href="a00250.html#gadddfcaa01efe60218e52323707331415" title="Return true if the value is a power of two number.">isPowerOfTwo</a>(genType <span class="keyword">const</span> &amp; value);
    88. 

  88. <a name="l00067"></a>00067 
    89. 

  89. <a name="l00070"></a>00070         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    90. 

  90. <a name="l00071"></a>00071         genType <a class="code" href="a00250.html#ga0a1683dffc58011a161c0b3cb867c93c" title="Return the power of two number which value is just higher the input value.">powerOfTwoAbove</a>(genType <span class="keyword">const</span> &amp; value);
    91. 

  91. <a name="l00072"></a>00072 
    92. 

  92. <a name="l00075"></a>00075         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    93. 

  93. <a name="l00076"></a>00076         genType <a class="code" href="a00250.html#ga9adeb3bc22e67933665600e0dc2e1f8d" title="Return the power of two number which value is just lower the input value.">powerOfTwoBelow</a>(genType <span class="keyword">const</span> &amp; value);
    94. 

  94. <a name="l00077"></a>00077 
    95. 

  95. <a name="l00080"></a>00080         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    96. 

  96. <a name="l00081"></a>00081         genType <a class="code" href="a00250.html#ga12d57451c94950bafe2e1fb57346f082" title="Return the power of two number which value is the closet to the input value.">powerOfTwoNearest</a>(genType <span class="keyword">const</span> &amp; value);
    97. 

  97. <a name="l00082"></a>00082 
    98. 

  98. <a name="l00085"></a>00085         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; 
    99. 

  99. <a name="l00086"></a>00086         genType <a class="code" href="a00250.html#ga2f145f264c334caba22e6949e015d208" title="Revert all bits of any integer based type.">bitRevert</a>(genType <span class="keyword">const</span> &amp; value);
    100. 

  100. <a name="l00087"></a>00087 
    101. 

  101. <a name="l00090"></a>00090         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;
    102. 

  102. <a name="l00091"></a>00091         genType <a class="code" href="a00250.html#gaeec0d4179d7a092056e2201fff385ef6" title="Rotate all bits to the right.">bitRotateRight</a>(genType <span class="keyword">const</span> &amp; In, std::size_t Shift);
    103. 

  103. <a name="l00092"></a>00092 
    104. 

  104. <a name="l00095"></a>00095         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;
    105. 

  105. <a name="l00096"></a>00096         genType <a class="code" href="a00250.html#gaa8de15434b73178fd1d2ea7ee16b59bd" title="Rotate all bits to the left.">bitRotateLeft</a>(genType <span class="keyword">const</span> &amp; In, std::size_t Shift);
    106. 

  106. <a name="l00097"></a>00097 
    107. 

  107. <a name="l00099"></a>00099 }<span class="comment">//namespace bit</span>
    108. 

  108. <a name="l00100"></a>00100 }<span class="comment">//namespace gtx</span>
    109. 

  109. <a name="l00101"></a>00101 }<span class="comment">//namespace glm</span>
    110. 

  110. <a name="l00102"></a>00102 
    111. 

  111. <a name="l00103"></a>00103 <span class="preprocessor">#include &quot;bit.inl&quot;</span>
    112. 

  112. <a name="l00104"></a>00104 
    113. 

  113. <a name="l00105"></a>00105 <span class="keyword">namespace </span>glm{<span class="keyword">using namespace </span>gtx::bit;}
    114. 

  114. <a name="l00106"></a>00106 
    115. 

  115. <a name="l00107"></a>00107 <span class="preprocessor">#endif//glm_gtx_bit</span>
    116. 

  116. </pre></div></div>
    117. 

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