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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gfortran/PRODUCT.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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diff --git a/share/doc/gfortran/PRODUCT.html b/share/doc/gfortran/PRODUCT.html new file mode 100644 index 0000000..1a4459b --- /dev/null +++ b/share/doc/gfortran/PRODUCT.html @@ -0,0 +1,149 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1999-2023 Free Software Foundation, Inc. + +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 the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>The GNU Fortran Compiler: PRODUCT</title> + +<meta name="description" content="The GNU Fortran Compiler: PRODUCT"> +<meta name="keywords" content="The GNU Fortran Compiler: PRODUCT"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Intrinsic-Procedures.html#Intrinsic-Procedures" rel="up" title="Intrinsic Procedures"> +<link href="RADIX.html#RADIX" rel="next" title="RADIX"> +<link href="PRESENT.html#PRESENT" rel="previous" title="PRESENT"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="PRODUCT"></a> +<div class="header"> +<p> +Next: <a href="RADIX.html#RADIX" accesskey="n" rel="next">RADIX</a>, Previous: <a href="PRESENT.html#PRESENT" accesskey="p" rel="previous">PRESENT</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="PRODUCT-_002d_002d_002d-Product-of-array-elements"></a> +<h3 class="section">8.219 <code>PRODUCT</code> — Product of array elements</h3> +<a name="index-PRODUCT"></a> +<a name="index-array_002c-product"></a> +<a name="index-array_002c-multiply-elements"></a> +<a name="index-array_002c-conditionally-multiply-elements"></a> +<a name="index-multiply-array-elements"></a> + +<dl compact="compact"> +<dt><em>Description</em>:</dt> +<dd><p>Multiplies the elements of <var>ARRAY</var> along dimension <var>DIM</var> if +the corresponding element in <var>MASK</var> is <code>TRUE</code>. +</p> +</dd> +<dt><em>Standard</em>:</dt> +<dd><p>Fortran 90 and later +</p> +</dd> +<dt><em>Class</em>:</dt> +<dd><p>Transformational function +</p> +</dd> +<dt><em>Syntax</em>:</dt> +<dd><table> +<tr><td width="80%"><code>RESULT = PRODUCT(ARRAY[, MASK])</code></td></tr> +<tr><td width="80%"><code>RESULT = PRODUCT(ARRAY, DIM[, MASK])</code></td></tr> +</table> + +</dd> +<dt><em>Arguments</em>:</dt> +<dd><table> +<tr><td width="15%"><var>ARRAY</var></td><td width="70%">Shall be an array of type <code>INTEGER</code>, +<code>REAL</code> or <code>COMPLEX</code>.</td></tr> +<tr><td width="15%"><var>DIM</var></td><td width="70%">(Optional) shall be a scalar of type +<code>INTEGER</code> with a value in the range from 1 to n, where n +equals the rank of <var>ARRAY</var>.</td></tr> +<tr><td width="15%"><var>MASK</var></td><td width="70%">(Optional) shall be of type <code>LOGICAL</code> +and either be a scalar or an array of the same shape as <var>ARRAY</var>.</td></tr> +</table> + +</dd> +<dt><em>Return value</em>:</dt> +<dd><p>The result is of the same type as <var>ARRAY</var>. +</p> +<p>If <var>DIM</var> is absent, a scalar with the product of all elements in +<var>ARRAY</var> is returned. Otherwise, an array of rank n-1, where n equals +the rank of <var>ARRAY</var>, and a shape similar to that of <var>ARRAY</var> with +dimension <var>DIM</var> dropped is returned. +</p> + +</dd> +<dt><em>Example</em>:</dt> +<dd><div class="smallexample"> +<pre class="smallexample">PROGRAM test_product + INTEGER :: x(5) = (/ 1, 2, 3, 4 ,5 /) + print *, PRODUCT(x) ! all elements, product = 120 + print *, PRODUCT(x, MASK=MOD(x, 2)==1) ! odd elements, product = 15 +END PROGRAM +</pre></div> + +</dd> +<dt><em>See also</em>:</dt> +<dd><p><a href="SUM.html#SUM">SUM</a> +</p></dd> +</dl> + + + + + + +</body> +</html> |