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Contents
module RDF::N3::Algebra::Math
##
# The object is calulated as the subject rounded to the nearest integer.
class Rounded < RDF::N3::Algebra::ResourceOperator
NAME = :mathRounded
URI = RDF::N3::Math.rounded
##
# The math:rounded operator takes string or number rounds it to the next integer.
#
# @param [RDF::Term] resource
# @param [:subject, :object] position
# @return [RDF::Term]
# @see RDF::N3::ResourceOperator#evaluate
def resolve(resource, position:)
case position
when :subject
return nil unless resource.literal?
as_literal(resource.as_number.round)
when :object
return nil unless resource.literal? || resource.variable?
resource
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems