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| <div class="title">multi-precision-test.cc</div> </div> |
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| <div class="contents"> |
| <a href="multi-precision-test_8cc.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="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <gtest/gtest.h></span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <boost/math/constants/constants.hpp></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">common/logging.h</a>"</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="multi-precision_8h.html">runtime/multi-precision.h</a>"</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>mp = boost::multiprecision;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using</span> std::max;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">using</span> std::min;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using</span> std::numeric_limits;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a9adbbc7eff5190c2e305801ad3383bef"> 31</a></span> <a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(MultiPrecisionIntTest, Conversion) {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a> x = 0;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="namespaceimpala.html#a12d5d38406ca984554997e78cdff4665">int256_t</a> y = 0;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == 0);</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  x = -1;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == -1);</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  x = 1;</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == 1);</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>  x = numeric_limits<int32_t>::max();</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == numeric_limits<int32_t>::max());</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  x = numeric_limits<int32_t>::min();</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == numeric_limits<int32_t>::min());</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>  x = numeric_limits<int64_t>::max();</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == numeric_limits<int64_t>::max());</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  x = numeric_limits<int64_t>::min();</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == numeric_limits<int64_t>::min());</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  x = numeric_limits<int64_t>::max();</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  x *= 1000;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  y = numeric_limits<int64_t>::max();</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  y *= 1000;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == y);</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  x = -numeric_limits<int64_t>::max();</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  x *= 1000;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  y = -numeric_limits<int64_t>::max();</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  y *= 1000;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x) == y);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Note: numer_limits<> doesn't work for int128_t.</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">static</span> <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a> MAX_VALUE;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  memset(&MAX_VALUE, 255, <span class="keyword">sizeof</span>(MAX_VALUE));</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  uint8_t* buf = <span class="keyword">reinterpret_cast<</span>uint8_t*<span class="keyword">></span>(&MAX_VALUE);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  buf[15] = 127;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> overflow = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  EXPECT_TRUE(<a class="code" href="namespaceimpala.html#a4df49b1810b3e82e1d7b67004feb49e0">ConvertToInt128</a>(<a class="code" href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">ConvertToInt256</a>(x), MAX_VALUE, &overflow) == x);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  EXPECT_FALSE(overflow);</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="namespaceimpala.html#add05bd46ed6672c4daf6e28ea7717ca8"> 77</a></span> <a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(MultiPrecisionIntTest, HighLowBits) {</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// x = 0x0f0e0d0c0b0a09080706050403020100</span></div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a> x;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <span class="keyword">sizeof</span>(x); ++i) {</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  *(<span class="keyword">reinterpret_cast<</span>uint8_t*<span class="keyword">></span>(&x) + i) = i;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  EXPECT_EQ(<a class="code" href="namespaceimpala.html#ad94db301438814e7661579174eb8bede">LowBits</a>(x), 0x0706050403020100);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  EXPECT_EQ(<a class="code" href="namespaceimpala.html#ae869e21351c83c43dd486a3b454ef000">HighBits</a>(x), 0x0f0e0d0c0b0a0908);</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> }</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// Simple example of adding and subtracting numbers that use more than</span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// 64 bits.</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="namespaceimpala.html#af4aa7b3fb3a1ff427ed1b4a2a99878d6"> 89</a></span> <a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(MultiPrecisionIntTest, Example) {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a> v128 = 0;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  v128 += <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a>(numeric_limits<uint64_t>::max());</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  v128 += <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a>(numeric_limits<uint64_t>::max());</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  v128 -= <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a>(numeric_limits<uint64_t>::max());</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  EXPECT_EQ(v128, numeric_limits<uint64_t>::max());</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  v128 -= <a class="code" href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">int128_t</a>(numeric_limits<uint64_t>::max());</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  EXPECT_EQ(v128, 0);</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// Example taken from:</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// http://www.boost.org/doc/libs/1_55_0/libs/multiprecision/doc/html/boost_multiprecision/tut/floats/fp_eg/aos.html</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> |
| <div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc"> 104</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> T <a class="code" href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc">area_of_a_circle</a>(T r) {</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">using</span> boost::math::constants::pi;</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> pi<T>() * r * r;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a9c2822947975e41dba7b3173e6cf51ef"> 109</a></span> <a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(MultiPrecisionFloatTest, Example) {</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> r_f(<span class="keywordtype">float</span>(123) / 100);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> a_f = <a class="code" href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc">area_of_a_circle</a>(r_f);</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> r_d(<span class="keywordtype">double</span>(123) / 100);</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> a_d = <a class="code" href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc">area_of_a_circle</a>(r_d);</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> mp::cpp_dec_float_50 r_mp(mp::cpp_dec_float_50(123) / 100);</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> mp::cpp_dec_float_50 a_mp = <a class="code" href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc">area_of_a_circle</a>(r_mp);</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>  stringstream ss;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// Verify the results at different precisions.</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  ss.str(<span class="stringliteral">""</span>);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ss << setprecision(numeric_limits<float>::digits10)</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  << a_f;</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  EXPECT_EQ(ss.str(), <span class="stringliteral">"4.75292"</span>);</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  ss.str(<span class="stringliteral">""</span>);</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  ss << std::setprecision(std::numeric_limits<double>::digits10)</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  << a_d;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  EXPECT_EQ(ss.str(), <span class="stringliteral">"4.752915525616"</span>);</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  ss.str(<span class="stringliteral">""</span>);</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  ss << std::setprecision(std::numeric_limits<mp::cpp_dec_float_50>::digits10)</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  << a_mp;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  EXPECT_EQ(ss.str(), <span class="stringliteral">"4.7529155256159981904701331745635599135018975843146"</span>);</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </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> </div> |
| <div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="multi-precision-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627"> 140</a></span> <span class="keywordtype">int</span> <a class="code" href="multi-precision-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  ::testing::InitGoogleTest(&argc, argv);</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> RUN_ALL_TESTS();</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div> |
| <div class="ttc" id="namespaceimpala_html_a4df49b1810b3e82e1d7b67004feb49e0"><div class="ttname"><a href="namespaceimpala.html#a4df49b1810b3e82e1d7b67004feb49e0">impala::ConvertToInt128</a></div><div class="ttdeci">int128_t ConvertToInt128(int256_t x, int128_t max_value, bool *overflow)</div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00087">multi-precision.h:87</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a81e39acff5a125a058cc0c2dc4a125c6"><div class="ttname"><a href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">impala::TEST</a></div><div class="ttdeci">TEST(AtomicTest, Basic)</div><div class="ttdef"><b>Definition:</b> <a href="atomic-test_8cc_source.html#l00028">atomic-test.cc:28</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a12d5d38406ca984554997e78cdff4665"><div class="ttname"><a href="namespaceimpala.html#a12d5d38406ca984554997e78cdff4665">impala::int256_t</a></div><div class="ttdeci">boost::multiprecision::number< boost::multiprecision::cpp_int_backend< 256, 256, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void > > int256_t</div><div class="ttdoc">Define 256 bit int type. </div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00057">multi-precision.h:57</a></div></div> |
| <div class="ttc" id="multi-precision_8h_html"><div class="ttname"><a href="multi-precision_8h.html">multi-precision.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a59dcc0ca260e11a7f4300d8204dab03e"><div class="ttname"><a href="namespaceimpala.html#a59dcc0ca260e11a7f4300d8204dab03e">impala::ConvertToInt256</a></div><div class="ttdeci">int256_t ConvertToInt256(const int128_t &x)</div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00064">multi-precision.h:64</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a1035c0486934d38385332354a508f0bc"><div class="ttname"><a href="namespaceimpala.html#a1035c0486934d38385332354a508f0bc">impala::area_of_a_circle</a></div><div class="ttdeci">T area_of_a_circle(T r)</div><div class="ttdef"><b>Definition:</b> <a href="multi-precision-test_8cc_source.html#l00104">multi-precision-test.cc:104</a></div></div> |
| <div class="ttc" id="logging_8h_html"><div class="ttname"><a href="logging_8h.html">logging.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ad94db301438814e7661579174eb8bede"><div class="ttname"><a href="namespaceimpala.html#ad94db301438814e7661579174eb8bede">impala::LowBits</a></div><div class="ttdeci">uint64_t LowBits(int128_t x)</div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00119">multi-precision.h:119</a></div></div> |
| <div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div> |
| <div class="ttc" id="multi-precision-test_8cc_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="multi-precision-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="multi-precision-test_8cc_source.html#l00140">multi-precision-test.cc:140</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_ae869e21351c83c43dd486a3b454ef000"><div class="ttname"><a href="namespaceimpala.html#ae869e21351c83c43dd486a3b454ef000">impala::HighBits</a></div><div class="ttdeci">uint64_t HighBits(int128_t x)</div><div class="ttdoc">Get the high and low bits of an int128_t. </div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00116">multi-precision.h:116</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a537700995e6d739a40c327c0354e6869"><div class="ttname"><a href="namespaceimpala.html#a537700995e6d739a40c327c0354e6869">impala::int128_t</a></div><div class="ttdeci">__int128_t int128_t</div><div class="ttdoc">We use the c++ int128_t type. This is stored using 16 bytes and very performant. </div><div class="ttdef"><b>Definition:</b> <a href="multi-precision_8h_source.html#l00051">multi-precision.h:51</a></div></div> |
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