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| <h1>SRC/scomplex.c File Reference</h1>Common arithmetic for <a class="el" href="structcomplex.html">complex</a> type. <a href="#_details">More...</a> |
| <p> |
| <code>#include <math.h></code><br> |
| <code>#include <stdlib.h></code><br> |
| <code>#include <stdio.h></code><br> |
| <code>#include "<a class="el" href="slu__scomplex_8h-source.html">slu_scomplex.h</a>"</code><br> |
| <table border="0" cellpadding="0" cellspacing="0"> |
| <tr><td></td></tr> |
| <tr><td colspan="2"><br><h2>Functions</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#19814f5030befb85c4bb07e0fac34a7b">c_div</a> (<a class="el" href="structcomplex.html">complex</a> *c, <a class="el" href="structcomplex.html">complex</a> *a, <a class="el" href="structcomplex.html">complex</a> *b)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Complex Division c = a/b. <a href="#19814f5030befb85c4bb07e0fac34a7b"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#fc2967f7b71477625eb58de94a6e4c71">c_abs</a> (<a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns sqrt(z.r^2 + z.i^2). <a href="#fc2967f7b71477625eb58de94a6e4c71"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#6a6e9259e2eadc976a783d1b0e8f013b">c_abs1</a> (<a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Approximates the abs. Returns abs(z.r) + abs(z.i). <a href="#6a6e9259e2eadc976a783d1b0e8f013b"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#6111d345ee625a35d42da30db28c6041">c_exp</a> (<a class="el" href="structcomplex.html">complex</a> *r, <a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Return the exponentiation. <a href="#6111d345ee625a35d42da30db28c6041"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#dd0e09f7411e03b7516ddedacd6a59df">r_cnjg</a> (<a class="el" href="structcomplex.html">complex</a> *r, <a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Return the <a class="el" href="structcomplex.html">complex</a> conjugate. <a href="#dd0e09f7411e03b7516ddedacd6a59df"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#b6bc19479c8838286f451d5d9a6c86a3">r_imag</a> (<a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Return the imaginary part. <a href="#b6bc19479c8838286f451d5d9a6c86a3"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structcomplex.html">complex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#ee98d3dfc6ee26d36a2e095bd28414e5">c_sgn</a> (<a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
| |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">SIGN functions for <a class="el" href="structcomplex.html">complex</a> number. Returns z/abs(z). <a href="#ee98d3dfc6ee26d36a2e095bd28414e5"></a><br></td></tr> |
| <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structcomplex.html">complex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="scomplex_8c.html#8e9b533cd4055cb200a5d63152754898">c_sqrt</a> (<a class="el" href="structcomplex.html">complex</a> *z)</td></tr> |
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| <tr><td class="mdescLeft"> </td><td class="mdescRight">Square-root of a <a class="el" href="structcomplex.html">complex</a> number. <a href="#8e9b533cd4055cb200a5d63152754898"></a><br></td></tr> |
| </table> |
| <hr><a name="_details"></a><h2>Detailed Description</h2> |
| <pre> |
| -- SuperLU routine (version 2.0) -- |
| Univ. of California Berkeley, Xerox Palo Alto Research Center, |
| and Lawrence Berkeley National Lab. |
| November 15, 1997</pre><p> |
| <pre> This file defines common arithmetic operations for <a class="el" href="structcomplex.html">complex</a> type. |
| </pre> <hr><h2>Function Documentation</h2> |
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| <td class="memname">double c_abs </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em> </td> |
| <td> ) </td> |
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| <td class="memname">double c_abs1 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em> </td> |
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| <td class="memname">void c_div </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>c</em>, </td> |
| </tr> |
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| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>a</em>, </td> |
| </tr> |
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| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>b</em></td><td> </td> |
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| <td class="memname">void c_exp </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>r</em>, </td> |
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| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em></td><td> </td> |
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| <td class="memname"><a class="el" href="structcomplex.html">complex</a> c_sgn </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em> </td> |
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| <td class="memname"><a class="el" href="structcomplex.html">complex</a> c_sqrt </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em> </td> |
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| <td class="memname">void r_cnjg </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>r</em>, </td> |
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| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em></td><td> </td> |
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| <td class="memname">double r_imag </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structcomplex.html">complex</a> * </td> |
| <td class="paramname"> <em>z</em> </td> |
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