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<div class="title">pow10.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Tencent is pleased to support the open source community by making RapidJSON available.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// </span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// Licensed under the MIT License (the &quot;License&quot;); you may not use this file except</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// in compliance with the License. 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://opensource.org/licenses/MIT</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 distributed </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR </span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// CONDITIONS OF ANY KIND, either express or implied. See the License for the </span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// specific language governing permissions and limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#ifndef RAPIDJSON_POW10_</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#define RAPIDJSON_POW10_</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../rapidjson.h&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;RAPIDJSON_NAMESPACE_BEGIN</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment">//! Computes integer powers of 10 in double (10.0^n).</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"></span><span class="comment">/*! This function uses lookup table for fast and accurate results.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> \param n non-negative exponent. Must &lt;= 308.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment"> \return 10.0^n</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">double</span> Pow10(<span class="keywordtype">int</span> n) {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> e[] = { <span class="comment">// 1e-0...1e308: 309 * 8 bytes = 2472 bytes</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; 1e+0, </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; 1e+1, 1e+2, 1e+3, 1e+4, 1e+5, 1e+6, 1e+7, 1e+8, 1e+9, 1e+10, 1e+11, 1e+12, 1e+13, 1e+14, 1e+15, 1e+16, 1e+17, 1e+18, 1e+19, 1e+20, </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; 1e+21, 1e+22, 1e+23, 1e+24, 1e+25, 1e+26, 1e+27, 1e+28, 1e+29, 1e+30, 1e+31, 1e+32, 1e+33, 1e+34, 1e+35, 1e+36, 1e+37, 1e+38, 1e+39, 1e+40,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; 1e+41, 1e+42, 1e+43, 1e+44, 1e+45, 1e+46, 1e+47, 1e+48, 1e+49, 1e+50, 1e+51, 1e+52, 1e+53, 1e+54, 1e+55, 1e+56, 1e+57, 1e+58, 1e+59, 1e+60,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; 1e+61, 1e+62, 1e+63, 1e+64, 1e+65, 1e+66, 1e+67, 1e+68, 1e+69, 1e+70, 1e+71, 1e+72, 1e+73, 1e+74, 1e+75, 1e+76, 1e+77, 1e+78, 1e+79, 1e+80,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; 1e+81, 1e+82, 1e+83, 1e+84, 1e+85, 1e+86, 1e+87, 1e+88, 1e+89, 1e+90, 1e+91, 1e+92, 1e+93, 1e+94, 1e+95, 1e+96, 1e+97, 1e+98, 1e+99, 1e+100,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; 1e+101,1e+102,1e+103,1e+104,1e+105,1e+106,1e+107,1e+108,1e+109,1e+110,1e+111,1e+112,1e+113,1e+114,1e+115,1e+116,1e+117,1e+118,1e+119,1e+120,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; 1e+121,1e+122,1e+123,1e+124,1e+125,1e+126,1e+127,1e+128,1e+129,1e+130,1e+131,1e+132,1e+133,1e+134,1e+135,1e+136,1e+137,1e+138,1e+139,1e+140,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; 1e+141,1e+142,1e+143,1e+144,1e+145,1e+146,1e+147,1e+148,1e+149,1e+150,1e+151,1e+152,1e+153,1e+154,1e+155,1e+156,1e+157,1e+158,1e+159,1e+160,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; 1e+161,1e+162,1e+163,1e+164,1e+165,1e+166,1e+167,1e+168,1e+169,1e+170,1e+171,1e+172,1e+173,1e+174,1e+175,1e+176,1e+177,1e+178,1e+179,1e+180,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; 1e+181,1e+182,1e+183,1e+184,1e+185,1e+186,1e+187,1e+188,1e+189,1e+190,1e+191,1e+192,1e+193,1e+194,1e+195,1e+196,1e+197,1e+198,1e+199,1e+200,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; 1e+201,1e+202,1e+203,1e+204,1e+205,1e+206,1e+207,1e+208,1e+209,1e+210,1e+211,1e+212,1e+213,1e+214,1e+215,1e+216,1e+217,1e+218,1e+219,1e+220,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; 1e+221,1e+222,1e+223,1e+224,1e+225,1e+226,1e+227,1e+228,1e+229,1e+230,1e+231,1e+232,1e+233,1e+234,1e+235,1e+236,1e+237,1e+238,1e+239,1e+240,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; 1e+241,1e+242,1e+243,1e+244,1e+245,1e+246,1e+247,1e+248,1e+249,1e+250,1e+251,1e+252,1e+253,1e+254,1e+255,1e+256,1e+257,1e+258,1e+259,1e+260,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; 1e+261,1e+262,1e+263,1e+264,1e+265,1e+266,1e+267,1e+268,1e+269,1e+270,1e+271,1e+272,1e+273,1e+274,1e+275,1e+276,1e+277,1e+278,1e+279,1e+280,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; 1e+281,1e+282,1e+283,1e+284,1e+285,1e+286,1e+287,1e+288,1e+289,1e+290,1e+291,1e+292,1e+293,1e+294,1e+295,1e+296,1e+297,1e+298,1e+299,1e+300,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; 1e+301,1e+302,1e+303,1e+304,1e+305,1e+306,1e+307,1e+308</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; <a class="code" href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a>(n &gt;= 0 &amp;&amp; n &lt;= 308);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">return</span> e[n];</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; </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;} <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;RAPIDJSON_NAMESPACE_END</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;<span class="preprocessor">#endif // RAPIDJSON_POW10_</span></div>
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<div class="ttc" id="agroup___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g_html_gabeba18d612187bad2ac62aed9276d47c"><div class="ttname"><a href="group___r_a_p_i_d_j_s_o_n___c_o_n_f_i_g.html#gabeba18d612187bad2ac62aed9276d47c">RAPIDJSON_ASSERT</a></div><div class="ttdeci">#define RAPIDJSON_ASSERT(x)</div><div class="ttdoc">Assertion.</div><div class="ttdef"><b>Definition:</b> rapidjson.h:437</div></div>
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