I have a problem with this udf
I declare :
DECLARE EXTERNAL FUNCTION DPOWER
DOUBLE PRECISION, DOUBLE PRECISION
RETURNS DOUBLE PRECISION BY DESCRIPTOR
ENTRY_POINT 'power' MODULE_NAME 'fbudf';

On the same serveur (FB1.03 windows), it's ok with one database
but with other databases, a SELECT DPOWER(2,3) FROM RDB$DATABASE allways return null

I don't understand

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