NOTE: Be sure and include the parenthesis and character string quotations in the format descriptor when calling subroutine FMSCST. When setting IFMAT in the license file or with FMSSET, the string quotations are not required.
To change IFMAT with a subroutine call,
CALL FMSCST ('IFMAT','(I9)')
To change IFMAT using FMSSET,
FMSSET>IFMAT=(I9)