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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 11:55:01 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mayachemtools/docs/modules/html/code/Constants.html Wed Jan 20 11:55:01 2016 -0500 @@ -0,0 +1,89 @@ +<html> +<head> +<title>MayaChemTools:Code:Constants.pm</title> +<meta http-equiv="content-type" content="text/html;charset=utf-8"> +<link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> +</head> +<body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> +<br/> +<center> +<a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> +</center> +<br/> +<pre> +<a name="package-Constants-"></a> 1 <span class="k">package </span><span class="i">Constants</span><span class="sc">;</span> + 2 <span class="c">#</span> + 3 <span class="c"># $RCSfile: Constants.pm,v $</span> + 4 <span class="c"># $Date: 2015/02/28 20:47:02 $</span> + 5 <span class="c"># $Revision: 1.21 $</span> + 6 <span class="c">#</span> + 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> + 8 <span class="c">#</span> + 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> + 10 <span class="c">#</span> + 11 <span class="c"># This file is part of MayaChemTools.</span> + 12 <span class="c">#</span> + 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> + 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> + 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> + 16 <span class="c"># later version.</span> + 17 <span class="c">#</span> + 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> + 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> + 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span> + 21 <span class="c"># details.</span> + 22 <span class="c">#</span> + 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> + 24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> + 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> + 26 <span class="c"># Boston, MA, 02111-1307, USA.</span> + 27 <span class="c">#</span> + 28 + 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> + 30 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> + 31 + 32 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span> + 33 + 34 <span class="i">@ISA</span> = <span class="q">qw(Exporter)</span><span class="sc">;</span> + 35 + 36 <span class="c"># Groups of constants...</span> + 37 <span class="k">my</span><span class="s">(</span><span class="i">@MathConstants</span><span class="s">)</span> = <span class="q">qw(Pi TwoPi PiByTwo PiByFour InversePi OneByPi SqrtTwoPi OneBySqrtTwoPi InverseSqrtTwoPi Phi E BigNumber)</span><span class="sc">;</span> + 38 + 39 <span class="c"># Export all constants...</span> + 40 <span class="i">@EXPORT</span> = <span class="s">(</span><span class="i">@MathConstants</span><span class="s">)</span><span class="sc">;</span> + 41 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span> + 42 + 43 <span class="c"># Tags to export individual groups of constants...</span> + 44 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span> + 45 <span class="w">math</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@MathConstants</span><span class="s">]</span><span class="cm">,</span> + 46 <span class="w">all</span> <span class="cm">=></span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span> + 47 <span class="s">)</span><span class="sc">;</span> + 48 + 49 <span class="c"># Math constants..</span> + 50 <span class="k">use</span> <span class="w">constant</span> <span class="s">{</span> + 51 <span class="w">Pi</span> <span class="cm">=></span> <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="cm">,</span> + 52 <span class="w">TwoPi</span> <span class="cm">=></span> <span class="n">2</span> * <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="cm">,</span> + 53 <span class="w">PiByTwo</span> <span class="cm">=></span> <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">1</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span><span class="cm">,</span> + 54 <span class="w">PiByFour</span> <span class="cm">=></span> <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">1</span><span class="cm">,</span> <span class="n">1</span><span class="s">)</span><span class="cm">,</span> + 55 <span class="w">OneByPi</span> <span class="cm">=></span> <span class="n">1.0</span> / <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="cm">,</span> + 56 <span class="w">InversePi</span> <span class="cm">=></span> <span class="n">1.0</span> / <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="cm">,</span> + 57 <span class="w">SqrtTwoPi</span> <span class="cm">=></span> <span class="i">CORE::</span><span class="k">sqrt</span><span class="s">(</span><span class="n">2</span> * <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="s">)</span><span class="cm">,</span> + 58 <span class="w">OneBySqrtTwoPi</span> <span class="cm">=></span> <span class="n">1</span> / <span class="i">CORE::</span><span class="k">sqrt</span><span class="s">(</span><span class="n">2</span> * <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="s">)</span><span class="cm">,</span> + 59 <span class="w">InverseSqrtTwoPi</span> <span class="cm">=></span> <span class="n">1</span> / <span class="i">CORE::</span><span class="k">sqrt</span><span class="s">(</span><span class="n">2</span> * <span class="i">CORE::</span><span class="k">atan2</span><span class="s">(</span><span class="n">0</span><span class="cm">,</span> <span class="n">-1</span><span class="s">)</span><span class="s">)</span><span class="cm">,</span> + 60 + 61 <span class="w">Phi</span> <span class="cm">=></span> <span class="s">(</span><span class="n">1</span> + <span class="i">CORE::</span><span class="k">sqrt</span><span class="s">(</span><span class="n">5</span><span class="s">)</span><span class="s">)</span>/<span class="n">2</span><span class="cm">,</span> <span class="c"># Golden ratio...</span> + 62 + 63 <span class="w">E</span> <span class="cm">=></span> <span class="i">CORE::</span><span class="k">exp</span><span class="s">(</span><span class="n">1</span><span class="s">)</span><span class="cm">,</span> + 64 + 65 <span class="w">BigNumber</span> <span class="cm">=></span> <span class="n">2</span>**<span class="n">31</span> - <span class="n">1</span><span class="cm">,</span> <span class="c"># Unsigned 31 bit number</span> + 66 + 67 <span class="s">}</span><span class="sc">;</span> + 68 +<a name="EOF-"></a></pre> +<p> </p> +<br /> +<center> +<img src="../../../images/h2o2.png"> +</center> +</body> +</html>