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F_LOG

input/output-compatibility to ib_udf

input/output-compatibility to rFunc (LOG)

Entrypoint f_log compatible with UTF-8

Inputs/Outputs

   Input      DOUBLE     floatingpoint
              DOUBLE     basis for logarithm
   Output     DOUBLE     logarithm of floatingpoint with a basis of parameter 2

Syntax

   TestSQL
   SELECT 0.301029995663981 AS ISCORRECT, F_LOG(2, 10), F_LOG10(2) FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, F_LOG(NULL) FROM RDB$DATABASE;