134 lines
10 KiB
HTML
134 lines
10 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
<!-- Created by GNU Texinfo 7.1, https://www.gnu.org/software/texinfo/ -->
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||
|
|
<!-- This manual documents Guile version 3.0.10.
|
||
|
|
|
||
|
|
Copyright (C) 1996-1997, 2000-2005, 2009-2023 Free Software Foundation,
|
||
|
|
Inc.
|
||
|
|
|
||
|
|
Copyright (C) 2021 Maxime Devos
|
||
|
|
|
||
|
|
Copyright (C) 2024 Tomas Volf
|
||
|
|
|
||
|
|
|
||
|
|
Permission is granted to copy, distribute and/or modify this document
|
||
|
|
under the terms of the GNU Free Documentation License, Version 1.3 or
|
||
|
|
any later version published by the Free Software Foundation; with no
|
||
|
|
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
|
||
|
|
copy of the license is included in the section entitled "GNU Free
|
||
|
|
Documentation License." -->
|
||
|
|
<title>Complex (Guile Reference Manual)</title>
|
||
|
|
|
||
|
|
<meta name="description" content="Complex (Guile Reference Manual)">
|
||
|
|
<meta name="keywords" content="Complex (Guile Reference Manual)">
|
||
|
|
<meta name="resource-type" content="document">
|
||
|
|
<meta name="distribution" content="global">
|
||
|
|
<meta name="Generator" content=".texi2any-real">
|
||
|
|
<meta name="viewport" content="width=device-width,initial-scale=1">
|
||
|
|
|
||
|
|
<link href="index.html" rel="start" title="Top">
|
||
|
|
<link href="Concept-Index.html" rel="index" title="Concept Index">
|
||
|
|
<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
|
||
|
|
<link href="Numbers.html" rel="up" title="Numbers">
|
||
|
|
<link href="Arithmetic.html" rel="next" title="Arithmetic">
|
||
|
|
<link href="Conversion.html" rel="prev" title="Conversion">
|
||
|
|
<style type="text/css">
|
||
|
|
<!--
|
||
|
|
a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em}
|
||
|
|
span:hover a.copiable-link {visibility: visible}
|
||
|
|
strong.def-name {font-family: monospace; font-weight: bold; font-size: larger}
|
||
|
|
-->
|
||
|
|
</style>
|
||
|
|
<link rel="stylesheet" type="text/css" href="https://www.gnu.org/software/gnulib/manual.css">
|
||
|
|
|
||
|
|
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body lang="en">
|
||
|
|
<div class="subsubsection-level-extent" id="Complex">
|
||
|
|
<div class="nav-panel">
|
||
|
|
<p>
|
||
|
|
Next: <a href="Arithmetic.html" accesskey="n" rel="next">Arithmetic Functions</a>, Previous: <a href="Conversion.html" accesskey="p" rel="prev">Converting Numbers To and From Strings</a>, Up: <a href="Numbers.html" accesskey="u" rel="up">Numerical data types</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
|
||
|
|
</div>
|
||
|
|
<hr>
|
||
|
|
<h4 class="subsubsection" id="Complex-Number-Operations"><span>6.6.2.10 Complex Number Operations<a class="copiable-link" href="#Complex-Number-Operations"> ¶</a></span></h4>
|
||
|
|
<a class="index-entry-id" id="index-make_002drectangular-2"></a>
|
||
|
|
<a class="index-entry-id" id="index-make_002dpolar-2"></a>
|
||
|
|
<a class="index-entry-id" id="index-real_002dpart-2"></a>
|
||
|
|
<a class="index-entry-id" id="index-imag_002dpart-2"></a>
|
||
|
|
<a class="index-entry-id" id="index-magnitude-2"></a>
|
||
|
|
<a class="index-entry-id" id="index-angle-2"></a>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-make_002drectangular"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">make-rectangular</strong> <var class="def-var-arguments">real_part imaginary_part</var><a class="copiable-link" href="#index-make_002drectangular"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fmake_005frectangular"><span class="category-def">C Function: </span><span><strong class="def-name">scm_make_rectangular</strong> <var class="def-var-arguments">(real_part, imaginary_part)</var><a class="copiable-link" href="#index-scm_005fmake_005frectangular"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return a complex number constructed of the given <var class="var">real-part</var> and <var class="var">imaginary-part</var> parts.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-make_002dpolar"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">make-polar</strong> <var class="def-var-arguments">mag ang</var><a class="copiable-link" href="#index-make_002dpolar"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fmake_005fpolar"><span class="category-def">C Function: </span><span><strong class="def-name">scm_make_polar</strong> <var class="def-var-arguments">(mag, ang)</var><a class="copiable-link" href="#index-scm_005fmake_005fpolar"> ¶</a></span></dt>
|
||
|
|
<dd><a class="index-entry-id" id="index-polar-form-1"></a>
|
||
|
|
<p>Return the complex number <var class="var">mag</var> * e^(i * <var class="var">ang</var>).
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-real_002dpart"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">real-part</strong> <var class="def-var-arguments">z</var><a class="copiable-link" href="#index-real_002dpart"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005freal_005fpart"><span class="category-def">C Function: </span><span><strong class="def-name">scm_real_part</strong> <var class="def-var-arguments">(z)</var><a class="copiable-link" href="#index-scm_005freal_005fpart"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return the real part of the number <var class="var">z</var>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-imag_002dpart"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">imag-part</strong> <var class="def-var-arguments">z</var><a class="copiable-link" href="#index-imag_002dpart"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fimag_005fpart"><span class="category-def">C Function: </span><span><strong class="def-name">scm_imag_part</strong> <var class="def-var-arguments">(z)</var><a class="copiable-link" href="#index-scm_005fimag_005fpart"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return the imaginary part of the number <var class="var">z</var>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-magnitude"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">magnitude</strong> <var class="def-var-arguments">z</var><a class="copiable-link" href="#index-magnitude"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fmagnitude"><span class="category-def">C Function: </span><span><strong class="def-name">scm_magnitude</strong> <var class="def-var-arguments">(z)</var><a class="copiable-link" href="#index-scm_005fmagnitude"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return the magnitude of the number <var class="var">z</var>. This is the same as
|
||
|
|
<code class="code">abs</code> for real arguments, but also allows complex numbers.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deffn">
|
||
|
|
<dt class="deffn" id="index-angle"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">angle</strong> <var class="def-var-arguments">z</var><a class="copiable-link" href="#index-angle"> ¶</a></span></dt>
|
||
|
|
<dt class="deffnx def-cmd-deffn" id="index-scm_005fangle"><span class="category-def">C Function: </span><span><strong class="def-name">scm_angle</strong> <var class="def-var-arguments">(z)</var><a class="copiable-link" href="#index-scm_005fangle"> ¶</a></span></dt>
|
||
|
|
<dd><p>Return the angle of the complex number <var class="var">z</var>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deftypefn">
|
||
|
|
<dt class="deftypefn" id="index-scm_005fc_005fmake_005frectangular"><span class="category-def">C Function: </span><span><code class="def-type">SCM</code> <strong class="def-name">scm_c_make_rectangular</strong> <code class="def-code-arguments">(double re, double im)</code><a class="copiable-link" href="#index-scm_005fc_005fmake_005frectangular"> ¶</a></span></dt>
|
||
|
|
<dt class="deftypefnx def-cmd-deftypefn" id="index-scm_005fc_005fmake_005fpolar"><span class="category-def">C Function: </span><span><code class="def-type">SCM</code> <strong class="def-name">scm_c_make_polar</strong> <code class="def-code-arguments">(double x, double y)</code><a class="copiable-link" href="#index-scm_005fc_005fmake_005fpolar"> ¶</a></span></dt>
|
||
|
|
<dd><p>Like <code class="code">scm_make_rectangular</code> or <code class="code">scm_make_polar</code>,
|
||
|
|
respectively, but these functions take <code class="code">double</code>s as their
|
||
|
|
arguments.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deftypefn">
|
||
|
|
<dt class="deftypefn" id="index-scm_005fc_005freal_005fpart"><span class="category-def">C Function: </span><span><code class="def-type">double</code> <strong class="def-name">scm_c_real_part</strong> <code class="def-code-arguments">(z)</code><a class="copiable-link" href="#index-scm_005fc_005freal_005fpart"> ¶</a></span></dt>
|
||
|
|
<dt class="deftypefnx def-cmd-deftypefn" id="index-scm_005fc_005fimag_005fpart"><span class="category-def">C Function: </span><span><code class="def-type">double</code> <strong class="def-name">scm_c_imag_part</strong> <code class="def-code-arguments">(z)</code><a class="copiable-link" href="#index-scm_005fc_005fimag_005fpart"> ¶</a></span></dt>
|
||
|
|
<dd><p>Returns the real or imaginary part of <var class="var">z</var> as a <code class="code">double</code>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
<dl class="first-deftypefn">
|
||
|
|
<dt class="deftypefn" id="index-scm_005fc_005fmagnitude"><span class="category-def">C Function: </span><span><code class="def-type">double</code> <strong class="def-name">scm_c_magnitude</strong> <code class="def-code-arguments">(z)</code><a class="copiable-link" href="#index-scm_005fc_005fmagnitude"> ¶</a></span></dt>
|
||
|
|
<dt class="deftypefnx def-cmd-deftypefn" id="index-scm_005fc_005fangle"><span class="category-def">C Function: </span><span><code class="def-type">double</code> <strong class="def-name">scm_c_angle</strong> <code class="def-code-arguments">(z)</code><a class="copiable-link" href="#index-scm_005fc_005fangle"> ¶</a></span></dt>
|
||
|
|
<dd><p>Returns the magnitude or angle of <var class="var">z</var> as a <code class="code">double</code>.
|
||
|
|
</p></dd></dl>
|
||
|
|
|
||
|
|
|
||
|
|
</div>
|
||
|
|
<hr>
|
||
|
|
<div class="nav-panel">
|
||
|
|
<p>
|
||
|
|
Next: <a href="Arithmetic.html">Arithmetic Functions</a>, Previous: <a href="Conversion.html">Converting Numbers To and From Strings</a>, Up: <a href="Numbers.html">Numerical data types</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|