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<a href="qureg__applydiag_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Copyright 2017 Intel Corporation</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="qureg_8hpp.html">qureg.hpp</a>&quot;</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="highperfkernels_8hpp.html">highperfkernels.hpp</a>&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classQbitRegister.html#abbcd74dfdb4ffa563f1e80d297201a29"> 21</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classQbitRegister.html#abbcd74dfdb4ffa563f1e80d297201a29">QbitRegister&lt;Type&gt;::applyDiagSimp</a>(<span class="keywordtype">unsigned</span> qubit1, <span class="keywordtype">unsigned</span> qubit2, <a class="code" href="classopenqu_1_1TinyMatrix.html">TM4x4&lt;Type&gt;</a> <span class="keyword">const</span> &amp;<a class="code" href="highperfkernels_8cpp.html#a55aace691be1a8a57eec700a41d42ade">m</a>)</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;{</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordtype">int</span> myrank = <a class="code" href="classopenqu_1_1mpi_1_1Environment.html#a1c0c48f8af817320768ef3a1c9b98854">openqu::mpi::Environment::rank</a>();</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keywordtype">int</span> nprocs = <a class="code" href="classopenqu_1_1mpi_1_1Environment.html#acfe5d7c4784f10856304f07cb93dac08">openqu::mpi::Environment::size</a>();</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <a class="code" href="interface__api__memory_8cpp.html#a8a7796dc492015686a15b44dfa64e347">Type</a> d00 = m[0][0],</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; d11 = m[1][1],</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; d22 = m[2][2],</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; d33 = m[3][3];</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; std::size_t src_glb_start = <a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a>(myrank) * localSize();</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">if</span>(check_bit(src_glb_start + i, qubit1) == 0 &amp;&amp;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; check_bit(src_glb_start + i, qubit2) == 0 )</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; state[i] *= d00;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(check_bit(src_glb_start + i, qubit1) == 0 &amp;&amp;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; check_bit(src_glb_start + i, qubit2) == 1 )</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; state[i] *= d11;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(check_bit(src_glb_start + i, qubit1) == 1 &amp;&amp;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; check_bit(src_glb_start + i, qubit2) == 0 )</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; state[i] *= d22;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">else</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; state[i] *= d33;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;}</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classQbitRegister.html#a70e1d4b9c959323a1b29a9462d066d17"> 49</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classQbitRegister.html#a70e1d4b9c959323a1b29a9462d066d17">QbitRegister&lt;Type&gt;::applyDiag</a>(<span class="keywordtype">unsigned</span> qubit1_, <span class="keywordtype">unsigned</span> qubit2_, <a class="code" href="classopenqu_1_1TinyMatrix.html">TM4x4&lt;Type&gt;</a> <span class="keyword">const</span> &amp;<a class="code" href="highperfkernels_8cpp.html#a55aace691be1a8a57eec700a41d42ade">m</a>)</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;{</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="comment">// flush fusion buffers</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">if</span> (fusion == <span class="keyword">true</span>) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; applyFusedGates();</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="highperfkernels_8cpp.html#a3c5c1de356c65cc2bfca5046ecd71e6d">assert</a>(qubit1_ &lt; nqbits);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordtype">unsigned</span> qubit1 = (*permutation)[qubit1_];</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="highperfkernels_8cpp.html#a3c5c1de356c65cc2bfca5046ecd71e6d">assert</a>(qubit1 &lt; nqbits);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="highperfkernels_8cpp.html#a3c5c1de356c65cc2bfca5046ecd71e6d">assert</a>(qubit2_ &lt; nqbits);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordtype">unsigned</span> qubit2 = (*permutation)[qubit2_];</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="highperfkernels_8cpp.html#a3c5c1de356c65cc2bfca5046ecd71e6d">assert</a>(qubit2 &lt; nqbits);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordtype">int</span> myrank = <a class="code" href="classopenqu_1_1mpi_1_1Environment.html#a1c0c48f8af817320768ef3a1c9b98854">openqu::mpi::Environment::rank</a>();</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordtype">int</span> nprocs = <a class="code" href="classopenqu_1_1mpi_1_1Environment.html#acfe5d7c4784f10856304f07cb93dac08">openqu::mpi::Environment::size</a>();</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordtype">unsigned</span> log2_nprocs = <a class="code" href="namespaceopenqu.html#a9cbfc48ff8a69fa8618c4eeaad4f2765">openqu::ilog2</a>(<a class="code" href="classopenqu_1_1mpi_1_1Environment.html#acfe5d7c4784f10856304f07cb93dac08">openqu::mpi::Environment::size</a>());</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; std::size_t M = nqbits - log2_nprocs;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; std::size_t delta1 = 1 &lt;&lt; qubit1;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; std::size_t delta2 = 1 &lt;&lt; qubit2;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="interface__api__memory_8cpp.html#a8a7796dc492015686a15b44dfa64e347">Type</a> d00 = m[0][0],</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; d11 = m[1][1],</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; d22 = m[2][2],</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; d33 = m[3][3];</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; std::size_t src_glb_start = <a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a>(myrank) * localSize();</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordtype">bool</span> controlled = (d00 == 1. &amp;&amp; d11 == 1.);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="preprocessor"> #if 0</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// currently disabled. controlled part is done inline inside controlled gate</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">if</span> (controlled == <span class="keyword">true</span>) {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// controlled 2-qubit diagonal gate</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">if</span> (qubit1 &lt; M &amp;&amp; qubit2 &lt; M) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; printf(<span class="stringliteral">&quot;here1\n&quot;</span>);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordtype">unsigned</span> delta1_ = std::min(delta1, delta2);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordtype">unsigned</span> delta2_ = std::max(delta1, delta2);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="code" href="classopenqu_1_1TinyMatrix.html">TM2x2&lt;Type&gt;</a> m2x2;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; m2x2[0][0] = d22;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; m2x2[0][1] = 0.;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; m2x2[1][0] = 0.;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; m2x2[1][1] = d33;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; Loop_TN(state, </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; 0<a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a>, localSize(), 2<a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a> * delta2_,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; 0<a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a>, delta2_, 2<a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a> * delta1_,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; delta1_, 2<a class="code" href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a>*delta1_, delta2_,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; m2x2, NULL);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (qubit1 &gt;= M &amp;&amp; qubit2 &lt; M) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; printf(<span class="stringliteral">&quot;here2\n&quot;</span>);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) != 0) {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">for</span> (std::size_t j = 0; j &lt; localSize(); j += 2 * delta2) {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">for</span> (std::size_t k = 0; k &lt; delta2; ++k) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; state[j + k ] *= d22;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; state[j + k + delta2 ] *= d33;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; } </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (qubit1 &lt; M &amp;&amp; qubit2 &gt;= M) {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="interface__api__memory_8cpp.html#a8a7796dc492015686a15b44dfa64e347">Type</a> d0, d1;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; printf(<span class="stringliteral">&quot;here3\n&quot;</span>);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; d1 = (check_bit(src_glb_start, qubit2) == 0) ? d22 : d33;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordflow">for</span> (std::size_t j = 0; j &lt; localSize(); j += 2 * delta1) {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">for</span> (std::size_t k = 0; k &lt; delta1; ++k) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; state[j + k + delta1 ] *= d1;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (qubit1 &gt;= M &amp;&amp; qubit2 &gt;= M) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; printf(<span class="stringliteral">&quot;here4\n&quot;</span>);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) == 1 &amp;&amp;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; check_bit(src_glb_start, qubit2) == 0 ) {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; state[i] *= d22;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) == 1 &amp;&amp;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; check_bit(src_glb_start, qubit2) == 1 ) {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; state[i] *= d33;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; } <span class="keywordflow">else</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="preprocessor"> #endif</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">// general 2-qubit diagonal gate</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">if</span> (qubit1 &lt; M &amp;&amp; qubit2 &lt; M) {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordtype">unsigned</span> delta1_ = std::min(delta1, delta2);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">unsigned</span> delta2_ = std::max(delta1, delta2);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i += 2 * delta2_)</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">for</span> (std::size_t j = 0; j &lt; delta2_; j += 2 * delta1_)</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">for</span> (std::size_t k = 0; k &lt; delta1_; ++k) {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; state[i + j + k ] *= d00;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; state[i + j + k + delta2 ] *= d11;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; state[i + j + k + delta1 ] *= d22;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; state[i + j + k + delta1 + delta2] *= d33;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (qubit1 &gt;= M &amp;&amp; qubit2 &lt; M || qubit1 &lt; M &amp;&amp; qubit2 &gt;= M) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <a class="code" href="interface__api__memory_8cpp.html#a8a7796dc492015686a15b44dfa64e347">Type</a> d0, d1;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordtype">unsigned</span> delta;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">if</span> (qubit1 &gt;= M &amp;&amp; qubit2 &lt; M) {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; d0 = (check_bit(src_glb_start, qubit1) == 0) ? d00 : d22;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; d1 = (check_bit(src_glb_start, qubit1) == 0) ? d11 : d33;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; delta = delta2;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; d0 = (check_bit(src_glb_start, qubit2) == 0) ? d00 : d11;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; d1 = (check_bit(src_glb_start, qubit2) == 0) ? d22 : d33;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; delta = delta1;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">for</span> (std::size_t j = 0; j &lt; localSize(); j += 2 * delta) {</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">for</span> (std::size_t k = 0; k &lt; delta; ++k) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; state[j + k ] *= d0;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; state[j + k + delta ] *= d1;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; } </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (qubit1 &gt;= M &amp;&amp; qubit2 &gt;= M) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) == 0 &amp;&amp;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; check_bit(src_glb_start, qubit2) == 0 ) {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; state[i] *= d00;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) == 0 &amp;&amp;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; check_bit(src_glb_start, qubit2) == 1 ) {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; state[i] *= d11;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (check_bit(src_glb_start, qubit1) == 1 &amp;&amp;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; check_bit(src_glb_start, qubit2) == 0 ) {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; state[i] *= d22;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; localSize(); i++)</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; state[i] *= d33;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; }</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;}</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="keyword">template</span> <span class="keyword">class </span><a class="code" href="classQbitRegister.html">QbitRegister&lt;ComplexSP&gt;</a>;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;<span class="keyword">template</span> <span class="keyword">class </span><a class="code" href="classQbitRegister.html">QbitRegister&lt;ComplexDP&gt;</a>;</div><div class="ttc" id="classopenqu_1_1mpi_1_1Environment_html_a1c0c48f8af817320768ef3a1c9b98854"><div class="ttname"><a href="classopenqu_1_1mpi_1_1Environment.html#a1c0c48f8af817320768ef3a1c9b98854">openqu::mpi::Environment::rank</a></div><div class="ttdeci">static int rank()</div><div class="ttdef"><b>Definition:</b> <a href="mpi_8cpp_source.html#l00180">mpi.cpp:180</a></div></div>
<div class="ttc" id="highperfkernels_8cpp_html_a55aace691be1a8a57eec700a41d42ade"><div class="ttname"><a href="highperfkernels_8cpp.html#a55aace691be1a8a57eec700a41d42ade">m</a></div><div class="ttdeci">template __attribute__((noinline)) void Loop_DN(std template __attribute__((noinline)) void Loop_DN(std std::size_t std::size_t std::size_t std::size_t std::size_t std::size_t std::size_t std::size_t std::size_t TM2x2&lt; Type &gt; const &amp; m</div><div class="ttdef"><b>Definition:</b> <a href="highperfkernels_8cpp_source.html#l00394">highperfkernels.cpp:394</a></div></div>
<div class="ttc" id="classopenqu_1_1mpi_1_1Environment_html_acfe5d7c4784f10856304f07cb93dac08"><div class="ttname"><a href="classopenqu_1_1mpi_1_1Environment.html#acfe5d7c4784f10856304f07cb93dac08">openqu::mpi::Environment::size</a></div><div class="ttdeci">static int size()</div><div class="ttdef"><b>Definition:</b> <a href="mpi_8cpp_source.html#l00191">mpi.cpp:191</a></div></div>
<div class="ttc" id="highperfkernels_8hpp_html"><div class="ttname"><a href="highperfkernels_8hpp.html">highperfkernels.hpp</a></div></div>
<div class="ttc" id="interface__api__memory_8cpp_html_a8a7796dc492015686a15b44dfa64e347"><div class="ttname"><a href="interface__api__memory_8cpp.html#a8a7796dc492015686a15b44dfa64e347">Type</a></div><div class="ttdeci">ComplexDP Type</div><div class="ttdef"><b>Definition:</b> <a href="interface__api__memory_8cpp_source.html#l00025">interface_api_memory.cpp:25</a></div></div>
<div class="ttc" id="classopenqu_1_1TinyMatrix_html"><div class="ttname"><a href="classopenqu_1_1TinyMatrix.html">openqu::TinyMatrix</a></div><div class="ttdoc">A small matrix with dimensions fixed at compile time. </div><div class="ttdef"><b>Definition:</b> <a href="tinymatrix_8hpp_source.html#l00044">tinymatrix.hpp:44</a></div></div>
<div class="ttc" id="classQbitRegister_html_a70e1d4b9c959323a1b29a9462d066d17"><div class="ttname"><a href="classQbitRegister.html#a70e1d4b9c959323a1b29a9462d066d17">QbitRegister::applyDiag</a></div><div class="ttdeci">void applyDiag(unsigned qubit1, unsigned qubit2, TM4x4&lt; Type &gt; const &amp;m)</div><div class="ttdef"><b>Definition:</b> <a href="qureg__applydiag_8cpp_source.html#l00049">qureg_applydiag.cpp:49</a></div></div>
<div class="ttc" id="highperfkernels_8cpp_html_a3c5c1de356c65cc2bfca5046ecd71e6d"><div class="ttname"><a href="highperfkernels_8cpp.html#a3c5c1de356c65cc2bfca5046ecd71e6d">assert</a></div><div class="ttdeci">assert(((c22-c21)%c23)==0)</div></div>
<div class="ttc" id="classQbitRegister_html_abbcd74dfdb4ffa563f1e80d297201a29"><div class="ttname"><a href="classQbitRegister.html#abbcd74dfdb4ffa563f1e80d297201a29">QbitRegister::applyDiagSimp</a></div><div class="ttdeci">void applyDiagSimp(unsigned qubit1, unsigned qubit2, TM4x4&lt; Type &gt; const &amp;m)</div><div class="ttdef"><b>Definition:</b> <a href="qureg__applydiag_8cpp_source.html#l00021">qureg_applydiag.cpp:21</a></div></div>
<div class="ttc" id="qureg_8hpp_html"><div class="ttname"><a href="qureg_8hpp.html">qureg.hpp</a></div></div>
<div class="ttc" id="namespaceopenqu_html_a9cbfc48ff8a69fa8618c4eeaad4f2765"><div class="ttname"><a href="namespaceopenqu.html#a9cbfc48ff8a69fa8618c4eeaad4f2765">openqu::ilog2</a></div><div class="ttdeci">unsigned int ilog2(Integral n)</div><div class="ttdoc">returns the logarithm base 2 of a non-zero integer </div><div class="ttdef"><b>Definition:</b> <a href="bitops_8hpp_source.html#l00082">bitops.hpp:82</a></div></div>
<div class="ttc" id="utils_8hpp_html_a2d1ace2be4b6d58d3260b1b5fd1d63e0"><div class="ttname"><a href="utils_8hpp.html#a2d1ace2be4b6d58d3260b1b5fd1d63e0">UL</a></div><div class="ttdeci">#define UL(x)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8hpp_source.html#l00034">utils.hpp:34</a></div></div>
<div class="ttc" id="classQbitRegister_html"><div class="ttname"><a href="classQbitRegister.html">QbitRegister</a></div><div class="ttdef"><b>Definition:</b> <a href="qureg_8hpp_source.html#l00068">qureg.hpp:68</a></div></div>
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