X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FLaTeX%2FTikZ%2FTools.pm;h=6984df54a836c2e1202ae180a019b21a03714c0e;hb=4f696c03a66ef6b52ee7b9b3c74a71d5abc64f7e;hp=54e50097d13408746b1c526c33101bde775d1a1a;hpb=04d3984b7e9310f2d825c6458620a8c131bf3030;p=perl%2Fmodules%2FLaTeX-TikZ.git diff --git a/lib/LaTeX/TikZ/Tools.pm b/lib/LaTeX/TikZ/Tools.pm index 54e5009..6984df5 100644 --- a/lib/LaTeX/TikZ/Tools.pm +++ b/lib/LaTeX/TikZ/Tools.pm @@ -9,18 +9,21 @@ LaTeX::TikZ::Tools - Miscellaneous tools for LaTeX::TikZ classes. =head1 VERSION -Version 0.02 +Version 0.03 =cut -our $VERSION = '0.02'; +our $VERSION = '0.03'; -use Any::Moose 'Util::TypeConstraints' => [ 'find_type_constraint' ]; +use Mouse::Util::TypeConstraints 'find_type_constraint'; =head1 CONSTANTS =head2 C +The numerical accuracy enforced by L, L and L. +It is currently set to C<1e-10>. + =cut use constant EPS => 1e-10; @@ -29,18 +32,30 @@ use constant EPS => 1e-10; =head2 C + numeq($x, $y) + +Returns true if and only if C<$x> and C<$y> are equal up to L. + =cut sub numeq { abs($_[0] - $_[1]) < EPS } =head2 C + numcmp($x, $y) + +Returns a negative number, zero, or a positive number when C<$x> is respectively smaller than, equal to, or greater than C<$y> up to L. + =cut sub numcmp { $_[0] < $_[1] - EPS ? -1 : $_[0] > $_[1] + EPS ? 1 : 0 } =head2 C + numround($x) + +Returns the closest integer from C<$x> up to L. + =cut sub numround { @@ -49,9 +64,11 @@ sub numround { $x + EPS < $i + 0.5 ? $i : $i + 1; } -=head2 C +=head2 C + + my $tc = type_constraint($class) -Find the type constraint for C<$class> by first trying to load the relevant F<.pm> file. +Finds the type constraint for C<$class> by first trying to load the relevant F<.pm> file. =cut @@ -95,7 +112,7 @@ You can find documentation for this module with the perldoc command. =head1 COPYRIGHT & LICENSE -Copyright 2010 Vincent Pit, all rights reserved. +Copyright 2010,2011,2012,2013,2014,2015 Vincent Pit, all rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.