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| 66 | <div class="contents"> |
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| 67 | <h1>gamma.cpp File Reference</h1>Implementation of gamma functions. |
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| 68 | <a href="#_details">More...</a> |
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| 69 | <p> |
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| 70 | <code>#include <<a class="el" href="bessel__internal_8h-source.html">itpp/base/bessel/bessel_internal.h</a>></code><br> |
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| 71 | <code>#include <<a class="el" href="itassert_8h-source.html">itpp/base/itassert.h</a>></code><br> |
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| 72 | <code>#include <<a class="el" href="itcompat_8h-source.html">itpp/base/itcompat.h</a>></code><br> |
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| 73 | <code>#include <<a class="el" href="misc_8h-source.html">itpp/base/math/misc.h</a>></code><br> |
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| 74 | <table border="0" cellpadding="0" cellspacing="0"> |
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| 75 | <tr><td></td></tr> |
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| 76 | <tr><td colspan="2"><br><h2>Defines</h2></td></tr> |
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| 77 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="956e2723d559858d08644ac99146e910"></a><!-- doxytag: member="gamma.cpp::INFINITY" ref="956e2723d559858d08644ac99146e910" args="" --> |
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| 78 | #define </td><td class="memItemRight" valign="bottom"><b>INFINITY</b> 1.79769313486231570815E308</td></tr> |
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| 79 | |
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| 80 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8abfcc76130f3f991d124dd22d7e69bc"></a><!-- doxytag: member="gamma.cpp::NAN" ref="8abfcc76130f3f991d124dd22d7e69bc" args="" --> |
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| 81 | #define </td><td class="memItemRight" valign="bottom"><b>NAN</b> 0.0</td></tr> |
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| 82 | |
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| 83 | <tr><td colspan="2"><br><h2>Functions</h2></td></tr> |
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| 84 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="31e924beffc2f84817c31471c11fc7e9"></a><!-- doxytag: member="gamma.cpp::gam" ref="31e924beffc2f84817c31471c11fc7e9" args="(double x)" --> |
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| 85 | double </td><td class="memItemRight" valign="bottom"><b>gam</b> (double x)</td></tr> |
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| 86 | |
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| 87 | <tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="gamma_8cpp.html#2ec510ed9d039ee4e719c0c4f38357b7">lgam</a> (double x)</td></tr> |
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| 88 | |
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| 89 | <tr><td colspan="2"><br><h2>Variables</h2></td></tr> |
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| 90 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c305e273ae9627e6898cf626b2bc8216"></a><!-- doxytag: member="gamma.cpp::sgngam" ref="c305e273ae9627e6898cf626b2bc8216" args="" --> |
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| 91 | int </td><td class="memItemRight" valign="bottom"><b>sgngam</b> = 0</td></tr> |
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| 92 | |
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| 93 | </table> |
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| 94 | <hr><a name="_details"></a><h2>Detailed Description</h2> |
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| 95 | Implementation of gamma functions. |
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| 96 | <p> |
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| 97 | <dl class="author" compact><dt><b>Author:</b></dt><dd>Adam Piatyszek</dd></dl> |
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| 98 | -------------------------------------------------------------------------<p> |
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| 99 | Copyright (C) 1995-2008 (see AUTHORS file for a list of contributors)<p> |
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| 100 | This file is part of IT++ - a C++ library of mathematical, signal processing, speech processing, and communications classes and functions.<p> |
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| 101 | IT++ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<p> |
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| 102 | IT++ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.<p> |
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| 103 | You should have received a copy of the GNU General Public License along with IT++. If not, see <<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>>.<p> |
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| 104 | -------------------------------------------------------------------------<p> |
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| 105 | This is slightly modified routine from the Cephes library: <a href="http://www.netlib.org/cephes/">http://www.netlib.org/cephes/</a> <hr><h2>Function Documentation</h2> |
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| 106 | <a class="anchor" name="2ec510ed9d039ee4e719c0c4f38357b7"></a><!-- doxytag: member="gamma.cpp::lgam" ref="2ec510ed9d039ee4e719c0c4f38357b7" args="(double x)" --> |
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| 107 | <div class="memitem"> |
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| 108 | <div class="memproto"> |
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| 109 | <table class="memname"> |
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| 110 | <tr> |
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| 111 | <td class="memname">double lgam </td> |
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| 112 | <td>(</td> |
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| 113 | <td class="paramtype">double </td> |
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| 114 | <td class="paramname"> <em>x</em> </td> |
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| 115 | <td> ) </td> |
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| 116 | <td></td> |
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| 117 | </tr> |
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| 118 | </table> |
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| 119 | </div> |
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| 120 | <div class="memdoc"> |
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| 121 | |
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| 122 | <p> |
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| 123 | Logarithm of gamma function |
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| 124 | <p>References <a class="el" href="converters_8h-source.html#l00349">itpp::floor()</a>, <a class="el" href="itassert_8h-source.html#l00173">it_warning</a>, <a class="el" href="log__exp_8h-source.html#l00236">itpp::log()</a>, and <a class="el" href="trig__hyp_8h-source.html#l00057">itpp::sin()</a>.</p> |
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| 125 | |
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| 126 | </div> |
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| 127 | </div><p> |
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| 128 | </div> |
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| 129 | <hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:13 2009 for mixpp by |
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