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<li class="navelem"><a class="el" href="namespacedl.html">dl</a></li><li class="navelem"><a class="el" href="namespacedl_1_1_numbers.html">Numbers</a></li> </ul>
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<div class="headertitle"><div class="title">dl::Numbers 命名空间参考</div></div>
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<p>类似std::numbers的常数
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变量</h2></td></tr>
<tr class="memitem:a27b365e4b15f0e772b45ad4384071191" id="r_a27b365e4b15f0e772b45ad4384071191"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a27b365e4b15f0e772b45ad4384071191">EARTH_fADIUS</a> = 6371.393_f</td></tr>
<tr class="memdesc:a27b365e4b15f0e772b45ad4384071191"><td class="mdescLeft">&#160;</td><td class="mdescRight">地球半径km <br /></td></tr>
<tr class="separator:a27b365e4b15f0e772b45ad4384071191"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a489312a13766a274d4a6cb497f788b06" id="r_a489312a13766a274d4a6cb497f788b06"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a489312a13766a274d4a6cb497f788b06">GRAVITY</a> = 9.8_f</td></tr>
<tr class="memdesc:a489312a13766a274d4a6cb497f788b06"><td class="mdescLeft">&#160;</td><td class="mdescRight">地球重力加速度(赤道最小) <br /></td></tr>
<tr class="separator:a489312a13766a274d4a6cb497f788b06"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1075e2c18e33762256edcb857d9478a1" id="r_a1075e2c18e33762256edcb857d9478a1"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1075e2c18e33762256edcb857d9478a1">EULER</a> = 2.718281828459045_f</td></tr>
<tr class="memdesc:a1075e2c18e33762256edcb857d9478a1"><td class="mdescLeft">&#160;</td><td class="mdescRight">自然常数 <br /></td></tr>
<tr class="separator:a1075e2c18e33762256edcb857d9478a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add20a4590c12a565e0ceb1304aa1fb11" id="r_add20a4590c12a565e0ceb1304aa1fb11"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#add20a4590c12a565e0ceb1304aa1fb11">RATIO_GOLD</a> = 0.618033988749894_f</td></tr>
<tr class="memdesc:add20a4590c12a565e0ceb1304aa1fb11"><td class="mdescLeft">&#160;</td><td class="mdescRight">黄金比例 <br /></td></tr>
<tr class="separator:add20a4590c12a565e0ceb1304aa1fb11"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abe43b603e3b3d10b060f30f84c637c49" id="r_abe43b603e3b3d10b060f30f84c637c49"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#abe43b603e3b3d10b060f30f84c637c49">SQRT_2</a> = 1.41421356237_f</td></tr>
<tr class="memdesc:abe43b603e3b3d10b060f30f84c637c49"><td class="mdescLeft">&#160;</td><td class="mdescRight">根号2 <br /></td></tr>
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<tr class="memitem:a6975b404b22d21d0b22c469e8bc2bc9b" id="r_a6975b404b22d21d0b22c469e8bc2bc9b"><td class="memItemLeft" align="right" valign="top">constexpr <a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6975b404b22d21d0b22c469e8bc2bc9b">PI</a> = 3.1415926536_f</td></tr>
<tr class="memdesc:a6975b404b22d21d0b22c469e8bc2bc9b"><td class="mdescLeft">&#160;</td><td class="mdescRight">圆周率 <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
<div class="textblock"><p>类似std::numbers的常数 </p>
</div><h2 class="groupheader">变量说明</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a27b365e4b15f0e772b45ad4384071191">&#9670;&#160;</a></span>EARTH_fADIUS</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::EARTH_fADIUS = 6371.393_f</td>
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<span class="mlabels"><span class="mlabel constexpr">constexpr</span></span> </td>
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<p>地球半径km </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00032">32</a> 行定义.</p>
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<a id="a1075e2c18e33762256edcb857d9478a1" name="a1075e2c18e33762256edcb857d9478a1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1075e2c18e33762256edcb857d9478a1">&#9670;&#160;</a></span>EULER</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::EULER = 2.718281828459045_f</td>
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<span class="mlabels"><span class="mlabel constexpr">constexpr</span></span> </td>
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<p>自然常数 </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00034">34</a> 行定义.</p>
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<a id="a489312a13766a274d4a6cb497f788b06" name="a489312a13766a274d4a6cb497f788b06"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a489312a13766a274d4a6cb497f788b06">&#9670;&#160;</a></span>GRAVITY</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::GRAVITY = 9.8_f</td>
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<span class="mlabels"><span class="mlabel constexpr">constexpr</span></span> </td>
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<p>地球重力加速度(赤道最小) </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00033">33</a> 行定义.</p>
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<a id="a6975b404b22d21d0b22c469e8bc2bc9b" name="a6975b404b22d21d0b22c469e8bc2bc9b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6975b404b22d21d0b22c469e8bc2bc9b">&#9670;&#160;</a></span>PI</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::PI = 3.1415926536_f</td>
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<span class="mlabels"><span class="mlabel constexpr">constexpr</span></span> </td>
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<p>圆周率 </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00037">37</a> 行定义.</p>
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<a id="add20a4590c12a565e0ceb1304aa1fb11" name="add20a4590c12a565e0ceb1304aa1fb11"></a>
<h2 class="memtitle"><span class="permalink"><a href="#add20a4590c12a565e0ceb1304aa1fb11">&#9670;&#160;</a></span>RATIO_GOLD</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::RATIO_GOLD = 0.618033988749894_f</td>
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<p>黄金比例 </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00035">35</a> 行定义.</p>
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<a id="abe43b603e3b3d10b060f30f84c637c49" name="abe43b603e3b3d10b060f30f84c637c49"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abe43b603e3b3d10b060f30f84c637c49">&#9670;&#160;</a></span>SQRT_2</h2>
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<td class="memname"><a class="el" href="namespacedl.html#a2deb3e79723ed0c188c47443a48744b7">Float</a> dl::Numbers::SQRT_2 = 1.41421356237_f</td>
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<p>根号2 </p>
<p class="definition">在文件 <a class="el" href="dl__math_8h_source.html">dl_math.h</a><a class="el" href="dl__math_8h_source.html#l00036">36</a> 行定义.</p>
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