note
Athanasius
<p>Hello [Masayoshi Fujimoto], and welcome to the Monastery!</p>
<p>The function <c>rad2rad</c> is not exported by the [doc://Math::Trig] module, so to use it you need to put the full module name in front:</p>
<code>
my $radians_wrapped_by_2pi = Math::Trig::rad2rad($radians);
</code>
<p><b>Update:</b> Here is an example of <c>rad2rad()</c> in use:</p>
<code>
use Modern::Perl;
use Math::Trig ':pi';
my $radians = 4.5 * pi;
my $radians_wrapped_by_2pi = Math::Trig::rad2rad($radians);
say 'rad2rad(', $radians, ') = ', $radians_wrapped_by_2pi;
</code>
<p>Output:</p>
<code>
1:49 >perl 502_SoPW.pl
rad2rad(14.1371669411541) = 1.5707963267949
1:49 >
</code>
<p>Hope that helps,</p>
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Athanasius <font color="#008000"><</font>[href://http://www.biblegateway.com/passage/?search=John%203:16&version=NLV|<font color="#008000">°</font>]<font color="#008000">(((><</font> <i>contra mundum</i>
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[href://http://translate.google.com.au/#la/en/Iustus%20alius%20egestas%20vitae%2C%20eros%20Piratica%2C|<b>Iustus alius egestas vitae, eros Piratica,</b>]
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