# Positive test: product of type promotion within the xsd:decimal type tree.
PREFIX t: <http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
ASK
WHERE { t:double1 rdf:value ?l .
t:float1 rdf:value ?r .
FILTER ( datatype(?l + ?r) = xsd:double ) }