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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="title">bmutil.h</div> </div>
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<a href="bmutil_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef BMUTIL__H__INCLUDED__</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define BMUTIL__H__INCLUDED__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">Copyright(c) 2002-2017 Anatoliy Kuznetsov(anatoliy_kuznetsov at yahoo.com)</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">Licensed under the Apache License, Version 2.0 (the "License");</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">distributed under the License is distributed on an "AS IS" BASIS,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">limitations under the License.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">For more information please visit: http://bitmagic.io</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/*! \file bmutil.h</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> \brief Bit manipulation primitives (internal)</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="bmdef_8h.html">bmdef.h</a>"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="bmconst_8h.html">bmconst.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#if defined(_M_AMD64) || defined(_M_X64) </span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <intrin.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#elif defined(BMSSE2OPT) || defined(BMSSE42OPT)</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <emmintrin.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#elif defined(BMAVX2OPT)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <emmintrin.h></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <avx2intrin.h></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifdef __GNUG__</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#pragma GCC diagnostic push</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#pragma GCC diagnostic ignored "-Wconversion"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#pragma warning( push )</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#pragma warning( disable : 4146)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span><a class="code" href="namespacebm.html">bm</a></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> bit-block array wrapped into union for correct interpretation of</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> 32-bit vs 64-bit access vs SIMD</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> @internal</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html"> 56</a></span>  <span class="keyword">struct </span><a class="code" href="structbm_1_1bit__block__t.html">bit_block_t</a></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="unionbm_1_1bit__block__t_1_1bunion__t.html"> 58</a></span>  <span class="keyword">union </span><a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html">bunion_t</a></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad855cc29f84859cb086e7037f2d230a2"> 60</a></span>  <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a> <a class="code" href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a> w32[<a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a>] <a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad855cc29f84859cb086e7037f2d230a2">BM_VECT_ALIGN_ATTR</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad7de2c08b592fd38e5998816ae40c8da"> 61</a></span>  <a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a> <a class="code" href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a> w64[<a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a> / 2] <a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad7de2c08b592fd38e5998816ae40c8da">BM_VECT_ALIGN_ATTR</a>;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#if defined(BMAVX512OPT)</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  __m512i <a class="code" href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a> w512[<a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a> / 16] <a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad855cc29f84859cb086e7037f2d230a2">BM_VECT_ALIGN_ATTR</a>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#if defined(BMAVX2OPT)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  __m256i <a class="code" href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a> w256[<a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a> / 8] <a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad855cc29f84859cb086e7037f2d230a2">BM_VECT_ALIGN_ATTR</a>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#if defined(BMSSE2OPT) || defined(BMSSE42OPT)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="unionbm_1_1bit__block__t_1_1bunion__t.html#abf803d35cf0ee74cbc053f4873ab0ef4"> 70</a></span>  __m128i <a class="code" href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a> w128[<a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a> / 4] <a class="code" href="unionbm_1_1bit__block__t_1_1bunion__t.html#abf803d35cf0ee74cbc053f4873ab0ef4">BM_VECT_ALIGN_ATTR</a>;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  } <a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a13e5bf77de75cfafcb3c5f679bddd852"> 74</a></span>  <span class="keyword">operator</span> <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*() { <span class="keywordflow">return</span> &(<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32[0]); }</div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a9b7c5159bfd5828d56a5292b6244b7fd"> 75</a></span>  <span class="keyword">operator</span> <span class="keyword">const</span> <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>*() <span class="keyword">const</span> { <span class="keywordflow">return</span> &(<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32[0]); }</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a8c328618f57ef23e555828beccca08c5"> 76</a></span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> <a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a>*() { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w64[0]; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a36a2b86594b21b4d6c0a9c443910c901"> 77</a></span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">const</span> <a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a>*() <span class="keyword">const</span> { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w64[0]; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#ifdef BMAVX512OPT</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> __m512i*() { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w512[0]; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">const</span> __m512i*() <span class="keyword">const</span> { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w512[0]; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#ifdef BMAVX2OPT</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> __m256i*() { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w256[0]; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">const</span> __m256i*() <span class="keyword">const</span> { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w256[0]; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#if defined(BMSSE2OPT) || defined(BMSSE42OPT)</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a9c3bca52fa2ddebcad53f46645ea119d"> 87</a></span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> __m128i*() { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w128[0]; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a1863c3bbdd36ae11f1e81ef174dacefa"> 88</a></span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">const</span> __m128i*() <span class="keyword">const</span> { <span class="keywordflow">return</span> &<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w128[0]; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a49175d77e13945002a3d08e973841215"> 91</a></span>  <span class="keyword">const</span> <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="structbm_1_1bit__block__t.html#a49175d77e13945002a3d08e973841215">begin</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32 + 0); }</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a2ae63d8c4be38058a3669fc8a496d7cd"> 92</a></span>  <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="structbm_1_1bit__block__t.html#a2ae63d8c4be38058a3669fc8a496d7cd">begin</a>() { <span class="keywordflow">return</span> (<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32 + 0); }</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#a2377cb1193536ebb6c4d7a556f76fd2b"> 93</a></span>  <span class="keyword">const</span> <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="structbm_1_1bit__block__t.html#a2377cb1193536ebb6c4d7a556f76fd2b">end</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32 + <a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a>); }</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="structbm_1_1bit__block__t.html#aa9e184bc9b121b363522512aa899f7ef"> 94</a></span>  <a class="code" href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a>* <a class="code" href="structbm_1_1bit__block__t.html#aa9e184bc9b121b363522512aa899f7ef">end</a>() { <span class="keywordflow">return</span> (<a class="code" href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">b_</a>.w32 + <a class="code" href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a>); }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  };</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> Get minimum of 2 values</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="namespacebm.html#aa7b7f910f08fed357b7a40a3f1f312d7"> 101</a></span> T <a class="code" href="namespacebm.html#aa7b7f910f08fed357b7a40a3f1f312d7">min_value</a>(T v1, T v2) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> v1 < v2 ? v1 : v2;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"></span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> \brief ad-hoc conditional expressions</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> \internal</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="structbm_1_1conditional.html"> 110</a></span> <span class="keyword">template</span> <<span class="keywordtype">bool</span> b> <span class="keyword">struct </span><a class="code" href="structbm_1_1conditional.html">conditional</a></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structbm_1_1conditional.html#a7b93126cbff50b6c2d8c5c5a5b1c6d47"> 112</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="structbm_1_1conditional.html#a7b93126cbff50b6c2d8c5c5a5b1c6d47">test</a>() { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> };</div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="structbm_1_1conditional_3_01false_01_4.html"> 114</a></span> <span class="keyword">template</span> <> <span class="keyword">struct </span><a class="code" href="structbm_1_1conditional.html">conditional</a><false></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="structbm_1_1conditional_3_01false_01_4.html#ae81056416631afe30ec7cee2861ed138"> 116</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="structbm_1_1conditional_3_01false_01_4.html#ae81056416631afe30ec7cee2861ed138">test</a>() { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> };</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"></span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> Fast loop-less function to find LOG2</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="namespacebm.html#a5c01fdf654f60ac9ae0770e8869d49ea"> 124</a></span> T <a class="code" href="namespacebm.html#a5c01fdf654f60ac9ae0770e8869d49ea">ilog2</a>(T x) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> l = 0;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (x >= 1<<16) { x = (T)(x >> 16); l |= 16; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (x >= 1<<8) { x = (T)(x >> 8); l |= 8; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (x >= 1<<4) { x = (T)(x >> 4); l |= 4; }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (x >= 1<<2) { x = (T)(x >> 2); l |= 2; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (x >= 1<<1) l |=1;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> (T)l;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">template</span><></div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="namespacebm.html#aba22193f657865c19c7f04d5f1456f58"> 137</a></span> <span class="keyword">inline</span> <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a> <a class="code" href="namespacebm.html#a5c01fdf654f60ac9ae0770e8869d49ea">ilog2</a>(<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">gap_word_t</a> x) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> l = 0;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (x >= 1<<8) { x = (<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>)(x >> 8); l |= 8; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (x >= 1<<4) { x = (<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>)(x >> 4); l |= 4; }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (x >= 1<<2) { x = (<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>)(x >> 2); l |= 2; }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (x >= 1<<1) l |=1;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> (<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>)l;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"></span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> Mini auto-pointer for internal memory management</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> @internal</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classbm_1_1ptr__guard.html"> 152</a></span> <span class="keyword">class </span><a class="code" href="classbm_1_1ptr__guard.html">ptr_guard</a></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classbm_1_1ptr__guard.html#a63de85136c123ec3df41ff83187261a8"> 155</a></span>  <a class="code" href="classbm_1_1ptr__guard.html#a63de85136c123ec3df41ff83187261a8">ptr_guard</a>(T* p) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a> : ptr_(p) {}</div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classbm_1_1ptr__guard.html#a0c99d726c78b751315eb3450108f236b"> 156</a></span>  <a class="code" href="classbm_1_1ptr__guard.html#a0c99d726c78b751315eb3450108f236b">~ptr_guard</a>() { <span class="keyword">delete</span> ptr_; }</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classbm_1_1ptr__guard.html#a63de85136c123ec3df41ff83187261a8">ptr_guard</a>(<span class="keyword">const</span> <a class="code" href="classbm_1_1ptr__guard.html">ptr_guard<T></a>& p);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="classbm_1_1ptr__guard.html">ptr_guard</a>& operator=(<span class="keyword">const</span> <a class="code" href="classbm_1_1ptr__guard.html">ptr_guard<T></a>& p);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  T* ptr_;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> };</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"></span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> Portable LZCNT with (uses minimal LUT)</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> @ingroup bitfunc</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> @internal</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="group__bitfunc.html#gaae7eb568263bc189c451b5bfa47d63e3"> 169</a></span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <a class="code" href="group__bitfunc.html#gaae7eb568263bc189c451b5bfa47d63e3">count_leading_zeros</a>(<span class="keywordtype">unsigned</span> x) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">unsigned</span> n =</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  (x >= (1U << 16)) ?</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  ((x >= (1U << 24)) ? ((x >= (1 << 28)) ? 28u : 24u) : ((x >= (1U << 20)) ? 20u : 16u))</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  :</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  ((x >= (1U << 8)) ? ((x >= (1U << 12)) ? 12u : 8u) : ((x >= (1U << 4)) ? 4u : 0u));</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> unsigned(<a class="code" href="structbm_1_1lzcnt__table.html">bm::lzcnt_table<true>::_lut</a>[x >> n]) - n;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"></span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> Portable TZCNT with (uses 37-LUT)</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> @ingroup bitfunc</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> @internal</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">inline</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="group__bitfunc.html#ga3d9f66825a3e612ee762b01230daf262"> 185</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="group__bitfunc.html#ga3d9f66825a3e612ee762b01230daf262">count_trailing_zeros</a>(<span class="keywordtype">unsigned</span> v) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// (v & -v) isolates the last set bit</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> unsigned(<a class="code" href="structbm_1_1tzcnt__table.html">bm::tzcnt_table<true>::_lut</a>[(-v & v) % 37]);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"></span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> Lookup table based integer LOG2</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="namespacebm.html#af820bf1977a579769c4f858828b16b40"> 195</a></span> T <a class="code" href="namespacebm.html#af820bf1977a579769c4f858828b16b40">ilog2_LUT</a>(T x) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">unsigned</span> l = 0;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (x & 0xffff0000) </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  l += 16; x >>= 16;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (x & 0xff00) </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  l += 8; x >>= 8;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> l + T(<a class="code" href="structbm_1_1first__bit__table.html">first_bit_table<true>::_idx</a>[x]);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"></span> </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> Lookup table based short integer LOG2</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">template</span><></div>
<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="namespacebm.html#a130c9b06555ed19b6a5668205cd183e7"> 214</a></span> <span class="keyword">inline</span> <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a> ilog2_LUT<bm::gap_word_t>(<a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a> x) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a> l = 0;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (x & 0xff00) </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  l = <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>( + 8u);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  x = <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>(x >> 8u);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>(l + <a class="code" href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a>(<a class="code" href="structbm_1_1first__bit__table.html">first_bit_table<true>::_idx</a>[x]));</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// if we are running on x86 CPU we can use inline ASM </span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#ifdef BM_x86</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="preprocessor">#ifdef __GNUG__</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="keywordtype">unsigned</span> bsf_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> {</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">unsigned</span> r;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">" bsfl %1, %0"</span>: <span class="stringliteral">"=r"</span>(r): <span class="stringliteral">"rm"</span>(v) );</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keywordtype">unsigned</span> bsr_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordtype">unsigned</span> r;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">" bsrl %1, %0"</span>: <span class="stringliteral">"=r"</span>(r): <span class="stringliteral">"rm"</span>(v) );</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> }</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#endif // __GNUG__</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#if defined(_M_AMD64) || defined(_M_X64) // inline assembly not supported</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bsr_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> r;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  _BitScanReverse(&r, value);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bsf_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> r;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  _BitScanForward(&r, value);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> r;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bsr_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> { </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  __asm bsr eax, value</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bsf_asm32(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> { </div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  __asm bsf eax, value</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif // _MSC_VER</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor">#endif // BM_x86</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  </div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// From:</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.37.8562</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">//</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="namespacebm.html#ad75cdabe657220bac35a962777f9563e"> 294</a></span> T <a class="code" href="namespacebm.html#ad75cdabe657220bac35a962777f9563e">bit_scan_fwd</a>(T v) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">return</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="structbm_1_1DeBruijn__bit__position.html">DeBruijn_bit_position<true>::_multiply</a>[(((v & -v) * 0x077CB531U)) >> 27];</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="keyword">inline</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="namespacebm.html#a7c3223676910199b022ba906970e1d18"> 301</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bit_scan_reverse32</a>(<span class="keywordtype">unsigned</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(value);</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#if defined(BM_USE_GCC_BUILD)</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>) (31 - __builtin_clz(value));</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor"># if defined(BM_x86) && (defined(__GNUG__) || defined(_MSC_VER))</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> bm::bsr_asm32(value);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor"># else</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> bm::ilog2_LUT<unsigned int>(value);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> }</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">inline</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"><a class="line" href="namespacebm.html#af58cd1d72880e3180cc57b25eddafefa"> 316</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="namespacebm.html#af58cd1d72880e3180cc57b25eddafefa">bit_scan_forward32</a>(<span class="keywordtype">unsigned</span> value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> {</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(value);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor">#if defined(BM_USE_GCC_BUILD)</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>) __builtin_ctz(value);</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor"># if defined(BM_x86) && (defined(__GNUG__) || defined(_MSC_VER))</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span> bm::bsf_asm32(value);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor"># else</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> <a class="code" href="namespacebm.html#ad75cdabe657220bac35a962777f9563e">bit_scan_fwd</a>(value);</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor"># endif</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00332"></a><span class="lineno"><a class="line" href="namespacebm.html#ab8eaf7a7124a6f55049c0cb49a08a4f8"> 332</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> <a class="code" href="namespacebm.html#ab8eaf7a7124a6f55049c0cb49a08a4f8">bmi_bslr_u64</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> w) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="preprocessor">#if defined(BMAVX2OPT) || defined (BMAVX512OPT)</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span> _blsr_u64(w);</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> w & (w - 1);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <a class="code" href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div>
<div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="namespacebm.html#ae1af13fc16ae99f74d327349d49803ae"> 342</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> <a class="code" href="namespacebm.html#ae1af13fc16ae99f74d327349d49803ae">bmi_blsi_u64</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> w)</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor">#if defined(BMAVX2OPT) || defined (BMAVX512OPT)</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> _blsi_u64(w);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">return</span> w & (-w);</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"></span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment">/// 64-bit bit-scan reverse</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"></span><span class="keyword">inline</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="namespacebm.html#a9066f49148d8b6c9b83b6ddfcad39342"> 353</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="namespacebm.html#a9066f49148d8b6c9b83b6ddfcad39342">count_leading_zeros_u64</a>(<a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a> w) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <a class="code" href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(w);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor">#if defined(BMAVX2OPT) || defined (BMAVX512OPT)</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>)_lzcnt_u64(w);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor"> #if defined(BM_USE_GCC_BUILD)</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>) __builtin_clzll(w);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordtype">unsigned</span> z;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordtype">unsigned</span> w1 = unsigned(w >> 32);</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (!w1)</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  z = 32;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  w1 = unsigned(w);</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  z += 31 - <a class="code" href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bm::bit_scan_reverse32</a>(w1);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  z = 31 - <a class="code" href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bm::bit_scan_reverse32</a>(w1);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> z;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment"></span> </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment">/// 64-bit bit-scan fwd</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"></span><span class="keyword">inline</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="namespacebm.html#ac835ba95b3f2ff791264be1a028a8390"> 381</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="namespacebm.html#ac835ba95b3f2ff791264be1a028a8390">count_trailing_zeros_u64</a>(<a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a> w) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> {</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(w);</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor">#if defined(BMAVX2OPT) || defined (BMAVX512OPT)</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>)_tzcnt_u64(w);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="preprocessor"> #if defined(BM_USE_GCC_BUILD)</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>) __builtin_ctzll(w);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordtype">unsigned</span> z;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordtype">unsigned</span> w1 = unsigned(w);</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (!w1)</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  {</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  z = 32;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  w1 = unsigned(w >> 32);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  z += <a class="code" href="namespacebm.html#af58cd1d72880e3180cc57b25eddafefa">bm::bit_scan_forward32</a>(w1);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  z = <a class="code" href="namespacebm.html#af58cd1d72880e3180cc57b25eddafefa">bm::bit_scan_forward32</a>(w1);</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> z;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> }</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"></span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> Returns BSR value</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> @ingroup bitfunc</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00415"></a><span class="lineno"><a class="line" href="group__bitfunc.html#ga93ffaf9eefd5ee845e6ca90e39f4f4d1"> 415</a></span> <span class="keywordtype">unsigned</span> <a class="code" href="group__bitfunc.html#ga93ffaf9eefd5ee845e6ca90e39f4f4d1">bit_scan_reverse</a>(T value) <a class="code" href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> {</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <a class="code" href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a>(value);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">if</span> (<a class="code" href="structbm_1_1conditional.html">bm::conditional</a><<span class="keyword">sizeof</span>(T)==8>::test())</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor"> #if defined(BM_USE_GCC_BUILD)</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span>) (63 - __builtin_clzll(value));</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a> v8 = value;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  v8 >>= 32;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordtype">unsigned</span> v = (unsigned)v8;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (v)</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  v = <a class="code" href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bm::bit_scan_reverse32</a>(v);</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> v + 32;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> <a class="code" href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bm::bit_scan_reverse32</a>((<span class="keywordtype">unsigned</span>)value);</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> }</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  </div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="preprocessor">#ifdef __GNUG__</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor">#pragma GCC diagnostic pop</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="preprocessor">#pragma warning( pop )</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> } <span class="comment">// bm</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="abmdef_8h_html_af440fbcbe96cc0b2e9015ef9824de82a"><div class="ttname"><a href="bmdef_8h.html#af440fbcbe96cc0b2e9015ef9824de82a">BM_VECT_ALIGN</a></div><div class="ttdeci">#define BM_VECT_ALIGN</div><div class="ttdef"><b>Definition:</b> <a href="bmdef_8h_source.html#l00359">bmdef.h:359</a></div></div>
<div class="ttc" id="anamespacebm_html_ae1af13fc16ae99f74d327349d49803ae"><div class="ttname"><a href="namespacebm.html#ae1af13fc16ae99f74d327349d49803ae">bm::bmi_blsi_u64</a></div><div class="ttdeci">BMFORCEINLINE unsigned long long bmi_blsi_u64(unsigned long long w)</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00342">bmutil.h:342</a></div></div>
<div class="ttc" id="abmconst_8h_html"><div class="ttname"><a href="bmconst_8h.html">bmconst.h</a></div><div class="ttdoc">Constants, tables and typedefs.</div></div>
<div class="ttc" id="aunionbm_1_1bit__block__t_1_1bunion__t_html"><div class="ttname"><a href="unionbm_1_1bit__block__t_1_1bunion__t.html">bm::bit_block_t::bunion_t</a></div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00058">bmutil.h:58</a></div></div>
<div class="ttc" id="aunionbm_1_1bit__block__t_1_1bunion__t_html_ad7de2c08b592fd38e5998816ae40c8da"><div class="ttname"><a href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad7de2c08b592fd38e5998816ae40c8da">bm::bit_block_t::bunion_t::BM_VECT_ALIGN_ATTR</a></div><div class="ttdeci">bm::id64_t BM_VECT_ALIGN w64[bm::set_block_size/2] BM_VECT_ALIGN_ATTR</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00061">bmutil.h:61</a></div></div>
<div class="ttc" id="anamespacebm_html_a91319dbc0d0e1bf3a3efc4d92bac7972"><div class="ttname"><a href="namespacebm.html#a91319dbc0d0e1bf3a3efc4d92bac7972">bm::set_block_size</a></div><div class="ttdeci">const unsigned set_block_size</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00054">bmconst.h:54</a></div></div>
<div class="ttc" id="anamespacebm_html_ac835ba95b3f2ff791264be1a028a8390"><div class="ttname"><a href="namespacebm.html#ac835ba95b3f2ff791264be1a028a8390">bm::count_trailing_zeros_u64</a></div><div class="ttdeci">unsigned count_trailing_zeros_u64(bm::id64_t w) BMNOEXCEPT</div><div class="ttdoc">64-bit bit-scan fwd</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00381">bmutil.h:381</a></div></div>
<div class="ttc" id="anamespacebm_html_af58cd1d72880e3180cc57b25eddafefa"><div class="ttname"><a href="namespacebm.html#af58cd1d72880e3180cc57b25eddafefa">bm::bit_scan_forward32</a></div><div class="ttdeci">unsigned bit_scan_forward32(unsigned value) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00316">bmutil.h:316</a></div></div>
<div class="ttc" id="anamespacebm_html_a5c01fdf654f60ac9ae0770e8869d49ea"><div class="ttname"><a href="namespacebm.html#a5c01fdf654f60ac9ae0770e8869d49ea">bm::ilog2</a></div><div class="ttdeci">T ilog2(T x) BMNOEXCEPT</div><div class="ttdoc">Fast loop-less function to find LOG2.</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00124">bmutil.h:124</a></div></div>
<div class="ttc" id="astructbm_1_1tzcnt__table_html"><div class="ttname"><a href="structbm_1_1tzcnt__table.html">bm::tzcnt_table</a></div><div class="ttdoc">Structure for TZCNT constants.</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00324">bmconst.h:324</a></div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html"><div class="ttname"><a href="structbm_1_1bit__block__t.html">bm::bit_block_t</a></div><div class="ttdoc">bit-block array wrapped into union for correct interpretation of 32-bit vs 64-bit access vs SIMD</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00056">bmutil.h:56</a></div></div>
<div class="ttc" id="anamespacebm_html_a933991b5bb4ce62227584037909e9195"><div class="ttname"><a href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a></div><div class="ttdeci">unsigned long long int id64_t</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00034">bmconst.h:34</a></div></div>
<div class="ttc" id="astructbm_1_1first__bit__table_html"><div class="ttname"><a href="structbm_1_1first__bit__table.html">bm::first_bit_table</a></div><div class="ttdoc">Structure keeps index of first right 1 bit for every byte.</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00255">bmconst.h:255</a></div></div>
<div class="ttc" id="agroup__bitfunc_html_ga3d9f66825a3e612ee762b01230daf262"><div class="ttname"><a href="group__bitfunc.html#ga3d9f66825a3e612ee762b01230daf262">bm::count_trailing_zeros</a></div><div class="ttdeci">unsigned count_trailing_zeros(unsigned v) BMNOEXCEPT</div><div class="ttdoc">Portable TZCNT with (uses 37-LUT)</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00185">bmutil.h:185</a></div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html_a2189fa963ae3f714e85a0f2e26ca99ef"><div class="ttname"><a href="structbm_1_1bit__block__t.html#a2189fa963ae3f714e85a0f2e26ca99ef">bm::bit_block_t::b_</a></div><div class="ttdeci">union bm::bit_block_t::bunion_t b_</div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html_aa9e184bc9b121b363522512aa899f7ef"><div class="ttname"><a href="structbm_1_1bit__block__t.html#aa9e184bc9b121b363522512aa899f7ef">bm::bit_block_t::end</a></div><div class="ttdeci">bm::word_t * end()</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00094">bmutil.h:94</a></div></div>
<div class="ttc" id="aunionbm_1_1bit__block__t_1_1bunion__t_html_ad855cc29f84859cb086e7037f2d230a2"><div class="ttname"><a href="unionbm_1_1bit__block__t_1_1bunion__t.html#ad855cc29f84859cb086e7037f2d230a2">bm::bit_block_t::bunion_t::BM_VECT_ALIGN_ATTR</a></div><div class="ttdeci">bm::word_t BM_VECT_ALIGN w32[bm::set_block_size] BM_VECT_ALIGN_ATTR</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00060">bmutil.h:60</a></div></div>
<div class="ttc" id="agroup__bitfunc_html_gaae7eb568263bc189c451b5bfa47d63e3"><div class="ttname"><a href="group__bitfunc.html#gaae7eb568263bc189c451b5bfa47d63e3">bm::count_leading_zeros</a></div><div class="ttdeci">unsigned count_leading_zeros(unsigned x) BMNOEXCEPT</div><div class="ttdoc">Portable LZCNT with (uses minimal LUT)</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00169">bmutil.h:169</a></div></div>
<div class="ttc" id="anamespacebm_html_af820bf1977a579769c4f858828b16b40"><div class="ttname"><a href="namespacebm.html#af820bf1977a579769c4f858828b16b40">bm::ilog2_LUT</a></div><div class="ttdeci">T ilog2_LUT(T x) BMNOEXCEPT</div><div class="ttdoc">Lookup table based integer LOG2.</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00195">bmutil.h:195</a></div></div>
<div class="ttc" id="aclassbm_1_1ptr__guard_html_a63de85136c123ec3df41ff83187261a8"><div class="ttname"><a href="classbm_1_1ptr__guard.html#a63de85136c123ec3df41ff83187261a8">bm::ptr_guard::ptr_guard</a></div><div class="ttdeci">ptr_guard(T *p) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00155">bmutil.h:155</a></div></div>
<div class="ttc" id="abmdef_8h_html_a40d7d3c011d2128b1f0c392127d7d61e"><div class="ttname"><a href="bmdef_8h.html#a40d7d3c011d2128b1f0c392127d7d61e">BMNOEXCEPT</a></div><div class="ttdeci">#define BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmdef_8h_source.html#l00079">bmdef.h:79</a></div></div>
<div class="ttc" id="anamespacebm_html_ac654d6319039a86546d235a236fc7cf6"><div class="ttname"><a href="namespacebm.html#ac654d6319039a86546d235a236fc7cf6">bm::gap_word_t</a></div><div class="ttdeci">unsigned short gap_word_t</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00077">bmconst.h:77</a></div></div>
<div class="ttc" id="aclassbm_1_1ptr__guard_html"><div class="ttname"><a href="classbm_1_1ptr__guard.html">bm::ptr_guard</a></div><div class="ttdoc">Mini auto-pointer for internal memory management.</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00152">bmutil.h:152</a></div></div>
<div class="ttc" id="astructbm_1_1conditional_html"><div class="ttname"><a href="structbm_1_1conditional.html">bm::conditional</a></div><div class="ttdoc">ad-hoc conditional expressions</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00110">bmutil.h:110</a></div></div>
<div class="ttc" id="abmdef_8h_html_aa44515fab0ace8928d1cb82009a95bf8"><div class="ttname"><a href="bmdef_8h.html#aa44515fab0ace8928d1cb82009a95bf8">BM_ASSERT</a></div><div class="ttdeci">#define BM_ASSERT</div><div class="ttdef"><b>Definition:</b> <a href="bmdef_8h_source.html#l00130">bmdef.h:130</a></div></div>
<div class="ttc" id="astructbm_1_1conditional_3_01false_01_4_html_ae81056416631afe30ec7cee2861ed138"><div class="ttname"><a href="structbm_1_1conditional_3_01false_01_4.html#ae81056416631afe30ec7cee2861ed138">bm::conditional< false >::test</a></div><div class="ttdeci">static bool test()</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00116">bmutil.h:116</a></div></div>
<div class="ttc" id="astructbm_1_1conditional_html_a7b93126cbff50b6c2d8c5c5a5b1c6d47"><div class="ttname"><a href="structbm_1_1conditional.html#a7b93126cbff50b6c2d8c5c5a5b1c6d47">bm::conditional::test</a></div><div class="ttdeci">static bool test()</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00112">bmutil.h:112</a></div></div>
<div class="ttc" id="abmdef_8h_html"><div class="ttname"><a href="bmdef_8h.html">bmdef.h</a></div><div class="ttdoc">Definitions(internal)</div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html_a2377cb1193536ebb6c4d7a556f76fd2b"><div class="ttname"><a href="structbm_1_1bit__block__t.html#a2377cb1193536ebb6c4d7a556f76fd2b">bm::bit_block_t::end</a></div><div class="ttdeci">const bm::word_t * end() const</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00093">bmutil.h:93</a></div></div>
<div class="ttc" id="anamespacebm_html_a7c3223676910199b022ba906970e1d18"><div class="ttname"><a href="namespacebm.html#a7c3223676910199b022ba906970e1d18">bm::bit_scan_reverse32</a></div><div class="ttdeci">unsigned bit_scan_reverse32(unsigned value) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00301">bmutil.h:301</a></div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html_a49175d77e13945002a3d08e973841215"><div class="ttname"><a href="structbm_1_1bit__block__t.html#a49175d77e13945002a3d08e973841215">bm::bit_block_t::begin</a></div><div class="ttdeci">const bm::word_t * begin() const</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00091">bmutil.h:91</a></div></div>
<div class="ttc" id="anamespacebm_html_a9066f49148d8b6c9b83b6ddfcad39342"><div class="ttname"><a href="namespacebm.html#a9066f49148d8b6c9b83b6ddfcad39342">bm::count_leading_zeros_u64</a></div><div class="ttdeci">unsigned count_leading_zeros_u64(bm::id64_t w) BMNOEXCEPT</div><div class="ttdoc">64-bit bit-scan reverse</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00353">bmutil.h:353</a></div></div>
<div class="ttc" id="anamespacebm_html_aa7b7f910f08fed357b7a40a3f1f312d7"><div class="ttname"><a href="namespacebm.html#aa7b7f910f08fed357b7a40a3f1f312d7">bm::min_value</a></div><div class="ttdeci">T min_value(T v1, T v2) BMNOEXCEPT</div><div class="ttdoc">Get minimum of 2 values.</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00101">bmutil.h:101</a></div></div>
<div class="ttc" id="abmdef_8h_html_a938734d014fb68dd8b2251fe8ec2b025"><div class="ttname"><a href="bmdef_8h.html#a938734d014fb68dd8b2251fe8ec2b025">BMFORCEINLINE</a></div><div class="ttdeci">#define BMFORCEINLINE</div><div class="ttdef"><b>Definition:</b> <a href="bmdef_8h_source.html#l00203">bmdef.h:203</a></div></div>
<div class="ttc" id="anamespacebm_html"><div class="ttname"><a href="namespacebm.html">bm</a></div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l00076">bm.h:76</a></div></div>
<div class="ttc" id="agroup__bitfunc_html_ga93ffaf9eefd5ee845e6ca90e39f4f4d1"><div class="ttname"><a href="group__bitfunc.html#ga93ffaf9eefd5ee845e6ca90e39f4f4d1">bm::bit_scan_reverse</a></div><div class="ttdeci">unsigned bit_scan_reverse(T value) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00415">bmutil.h:415</a></div></div>
<div class="ttc" id="aclassbm_1_1ptr__guard_html_a0c99d726c78b751315eb3450108f236b"><div class="ttname"><a href="classbm_1_1ptr__guard.html#a0c99d726c78b751315eb3450108f236b">bm::ptr_guard::~ptr_guard</a></div><div class="ttdeci">~ptr_guard()</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00156">bmutil.h:156</a></div></div>
<div class="ttc" id="astructbm_1_1DeBruijn__bit__position_html"><div class="ttname"><a href="structbm_1_1DeBruijn__bit__position.html">bm::DeBruijn_bit_position</a></div><div class="ttdoc">DeBruijn majic table.</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00240">bmconst.h:240</a></div></div>
<div class="ttc" id="anamespacebm_html_a17fd5ba52db3ddda05e6f8dd5000a1a4"><div class="ttname"><a href="namespacebm.html#a17fd5ba52db3ddda05e6f8dd5000a1a4">bm::word_t</a></div><div class="ttdeci">unsigned int word_t</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00038">bmconst.h:38</a></div></div>
<div class="ttc" id="astructbm_1_1bit__block__t_html_a2ae63d8c4be38058a3669fc8a496d7cd"><div class="ttname"><a href="structbm_1_1bit__block__t.html#a2ae63d8c4be38058a3669fc8a496d7cd">bm::bit_block_t::begin</a></div><div class="ttdeci">bm::word_t * begin()</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00092">bmutil.h:92</a></div></div>
<div class="ttc" id="anamespacebm_html_ad75cdabe657220bac35a962777f9563e"><div class="ttname"><a href="namespacebm.html#ad75cdabe657220bac35a962777f9563e">bm::bit_scan_fwd</a></div><div class="ttdeci">T bit_scan_fwd(T v) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00294">bmutil.h:294</a></div></div>
<div class="ttc" id="anamespacebm_html_ab8eaf7a7124a6f55049c0cb49a08a4f8"><div class="ttname"><a href="namespacebm.html#ab8eaf7a7124a6f55049c0cb49a08a4f8">bm::bmi_bslr_u64</a></div><div class="ttdeci">BMFORCEINLINE unsigned long long bmi_bslr_u64(unsigned long long w) BMNOEXCEPT</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00332">bmutil.h:332</a></div></div>
<div class="ttc" id="astructbm_1_1lzcnt__table_html"><div class="ttname"><a href="structbm_1_1lzcnt__table.html">bm::lzcnt_table</a></div><div class="ttdoc">Structure for LZCNT constants (4-bit)</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00309">bmconst.h:309</a></div></div>
<div class="ttc" id="aunionbm_1_1bit__block__t_1_1bunion__t_html_abf803d35cf0ee74cbc053f4873ab0ef4"><div class="ttname"><a href="unionbm_1_1bit__block__t_1_1bunion__t.html#abf803d35cf0ee74cbc053f4873ab0ef4">bm::bit_block_t::bunion_t::BM_VECT_ALIGN_ATTR</a></div><div class="ttdeci">__m128i BM_VECT_ALIGN w128[bm::set_block_size/4] BM_VECT_ALIGN_ATTR</div><div class="ttdef"><b>Definition:</b> <a href="bmutil_8h_source.html#l00070">bmutil.h:70</a></div></div>
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