PDL::Constants -- basic compile time constants for PDL
Contents
Copyright & License
Copyright 2010 Chris Marshall (chm at cpan dot org).
This program is free software; you can redistribute it and/or modify it under the terms of either: the
GNU General Public License as published by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.
perl v5.40.1 2025-03-27 PDL::Constants(3pm)
Description
This module is used to define compile time constant values for PDL. It uses Perl's constant pragma for
simplicity and availability.
Name
PDL::Constants -- basic compile time constants for PDL
Synopsis
use PDL::Constants qw(PI E);
print 'PI is ' . PI . "\n";
print 'E is ' . E . "\n";
PI
The ratio of a circle's circumference to its diameter
DEGRAD
The number of degrees of arc per radian (180/PI)
E
The base of the natural logarithms or Euler's number
