| Constants(3pm) | User Contributed Perl Documentation | Constants(3pm) |
PDL::Constants -- basic compile time constants for PDL
This module is used to define compile time constant values for PDL. It uses Perl's constant pragma for simplicity and availability.
use PDL::Constants qw(PI E); print 'PI is ' . PI . "\n"; print 'E is ' . E . "\n";
The ratio of a circle's circumference to its diameter
The number of degrees of arc per radian (180/PI)
The base of the natural logarithms or Euler's number
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.
| 2023-04-27 | perl v5.36.0 |