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F_DOUBLEABS, F_ABS

compatibility to FreeUDFLib, FreeUDFLibC, FreeUDFLib AvERP

compatibility to GrUDF

compatibility to ib_udf (ABS)

input/output-compatibility to rFunc (ABS)

Entrypoint doubleabs compatible with UTF-8

Inputs/Outputs

   Input      DOUBLE     floatingpoint
   Output     DOUBLE     absolute (positiv) value of a  floatingpoint

Syntax

   TestSQL
   SELECT 15.678 AS ISCORRECT, F_DOUBLEABS(15.678) FROM RDB$DATABASE;
   SELECT 15.678 AS ISCORRECT, F_DOUBLEABS(-15.678) FROM RDB$DATABASE;
   SELECT 15.678 AS ISCORRECT, F_ABS(15.678) FROM RDB$DATABASE;
   SELECT 15.678 AS ISCORRECT, F_ABS(-15.678) FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, F_ABS(NULL) FROM RDB$DATABASE;