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Special Forums News, Links, Events and Announcements Software Releases - RSS News Abacus Formula Compiler 1.2.0 (Default branch)
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Old 11-05-2008
Abacus Formula Compiler 1.2.0 (Default branch)
The Abacus Formula Compiler (AFC) compilescomputations defined in spreadsheet files directlyto Java byte code. Users can thus customize anapplication using Excel or OpenOffice Calc. AFCcompiles against your own Java interfaces toobtain input values and compute output values (itessentially generates strategy implementations foryou), and supports internal computations witheither double or BigDecimal (for financialapplications).License: GNU General Public License v3Changes:
This release adds support for spreadsheets in theMicrosoft Office Open XML .xlsx (MS Excel 2007)format. It also contains minor improvements andbugfixes.Image

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rdf::trine::node::formula

RDF::Trine::Node::Formula(3pm)				User Contributed Perl Documentation			    RDF::Trine::Node::Formula(3pm)

NAME

       RDF::Trine::Node::Formula - RDF Node class for formulae / graph literals

DESCRIPTION

       Formulae are implemented as a subclass of literals. Parts of Trine that have no special knowledge about formulae (e.g. the Turtle
       serialiser) will just see them as literals with a particular datatype URI (http://open.vocab.org/terms/Formula).

       If your code needs to detect formulae nodes, try:

	 use Scalar::Util qw[blessed];
	 if (blessed($node) && $node->isa('RDF::Trine::Node::Formula'))
	   { ... do stuff to formulae ... }

       or perhaps

	 use Scalar::Util qw[blessed];
	 if (blessed($node) && $node->can('pattern'))
	   { ... do stuff to formulae ... }

METHODS

       "new ( $pattern )"
	   Returns a new Formula structure. This is a subclass of RDF::Trine::Node::Literal.

	   $pattern is an RDF::Trine::Pattern or a string capable of being parsed with RDF::Trine::Parser::Notation3->parse_formula.

       "pattern ( $node )"
	   Returns the formula as an RDF::Trine::Pattern.

       "forAll"
	   Returns the a list of nodes with the @forAll quantifier.

	   This is a fairly obscure bit of N3 semantics.

       "forSome"
	   Returns the a list of nodes with the @forSome quantifier.

	   This is a fairly obscure bit of N3 semantics.

       "as_literal_notation"
	   Returns the formula in Notation-3-like syntax, excluding the wrapping "{"..."}".

	   Uses absolute URIs whenever possible, avoiding relative URI references, QNames and keywords.

       "from_literal_notation ( $string, $base )"
	   Modifies the formula's value using Notation 3 syntax, excluding the wrapping "{"..."}".

       "equal ( $node )"
	   Returns true if the two nodes are equal, false otherwise.

	   TODO - really need a "not equal, but equivalent" method.

AUTHOR

       Toby Inkster  "<tobyink@cpan.org>"

       Based on RDF::Trine::Node::Literal by Gregory Todd Williams.

COPYRIGHT AND LICENCE

       Copyright (c) 2006-2010 Gregory Todd Williams.

       Copyright (c) 2010-2011 Toby Inkster.

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

DISCLAIMER OF WARRANTIES

       THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
       MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

perl v5.14.2							    2011-10-22					    RDF::Trine::Node::Formula(3pm)