update upstream sources

[clinton/guile-figl.git] / upstream-doc / manglsl / any.xml

<?xml version="1.0" encoding="UTF-8"?>\r
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"\r
              "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">\r
<refentry id="any">\r
    <refmeta>\r
        <refmetainfo>\r
            <copyright>\r
                <year>2013</year>\r
                <holder>Khronos Group</holder>\r
            </copyright>\r
        </refmetainfo>\r
        <refentrytitle>any</refentrytitle>\r
        <manvolnum>3G</manvolnum>\r
    </refmeta>\r
    <refnamediv>\r
        <refname>any</refname>\r
        <refpurpose>check whether any element of a boolean vector is true</refpurpose>\r
    </refnamediv>\r
    <refsynopsisdiv><title>Declaration</title>\r
        <funcsynopsis>\r
            <funcprototype>\r
                <funcdef>bool <function>any</function></funcdef>\r
                <paramdef>bvec <parameter>x</parameter></paramdef>\r
            </funcprototype>\r
        </funcsynopsis>\r
    </refsynopsisdiv>\r
    <refsect1 id="parameters"><title>Parameters</title>\r
        <variablelist>\r
        <varlistentry>\r
            <term><parameter>x</parameter></term>\r
            <listitem>\r
                <para>\r
                    Specifies the vector to be tested for truth.\r
                </para>\r
            </listitem>\r
        </varlistentry>\r
        </variablelist>\r
    </refsect1>\r
    <refsect1 id="description"><title>Description</title>\r
        <para>\r
            <function>any</function> returns true if any element of <parameter>x</parameter> is true and false otherwise.\r
            It is functionally equivalent to:\r
        </para>\r
        <para>\r
        <programlisting><![CDATA[    bool any(bvec x)       // bvec can be bvec2, bvec3 or bvec4\r
    {\r
        bool result = false;\r
        int i;\r
        for (i = 0; i < x.length(); ++i)\r
        {\r
            result |= x[i];\r
        }\r
        return result;\r
    }]]></programlisting>\r
        </para>\r
    </refsect1>\r
    <refsect1 id="versions"><title>Version Support</title>\r
        <informaltable frame="topbot">\r
            #VARTABLECOLS#\r
                <thead>\r
                    #FUNCTABLEHEADER#\r
                    <row>\r
                        <entry>any</entry>#newin11#\r
                    </row>\r
                </thead>\r
            </tgroup>\r
        </informaltable>\r
    </refsect1>\r
    <refsect1 id="seealso"><title>See Also</title>\r
        <para>\r
            <citerefentry><refentrytitle>all</refentrytitle></citerefentry>,\r
            <citerefentry><refentrytitle>not</refentrytitle></citerefentry>\r
        </para>\r
    </refsect1>\r
    <refsect1 id="Copyright"><title>Copyright</title>\r
        <para>\r
            Copyright <trademark class="copyright"></trademark> 2011-2013 Khronos Group. \r
            This material may be distributed subject to the terms and conditions set forth in \r
            the Open Publication License, v 1.0, 8 June 1999.\r
            <ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.\r
        </para>\r
    </refsect1>\r
</refentry>\r