FUNCTION F_MAIN()
  
  IMPLICIT NONE
  INCLUDE 'IPhreeqc.f90.inc'
  INTEGER(KIND=4) id
  
  INTEGER(KIND=4)   r
  INTEGER(KIND=4)   c
  INTEGER(KIND=4)   t
  REAL(KIND=8)      d
  CHARACTER(LEN=80) s
  
  INTEGER(KIND=4) F_MAIN
  INTEGER(KIND=4) TestGetSet
  
  INTEGER(KIND=4),PARAMETER :: EXIT_SUCCESS = 0
  INTEGER(KIND=4),PARAMETER :: EXIT_FAILURE = 1

  id = CreateIPhreeqc()
  IF (id.LT.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  IF (AccumulateLine(id, "SOLUTION 1").NE.IPQ_OK) THEN
     CALL OutputErrorString(id)
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF 
  
  IF (ClearAccumulatedLines(id).NE.IPQ_OK) THEN
     CALL OutputErrorString(id)
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Dump
  IF (TestGetSet(id,GetDumpFileOn,SetDumpFileOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Dump string
  IF (TestGetSet(id,GetDumpStringOn,SetDumpStringOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Error
  IF (TestGetSet(id,GetErrorFileOn,SetErrorFileOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Log
  IF (TestGetSet(id,GetLogFileOn,SetLogFileOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Output
  IF (TestGetSet(id,GetOutputFileOn,SetOutputFileOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  ! Selected output
  IF (TestGetSet(id,GetSelectedOutputFileOn,SetSelectedOutputFileOn).NE.0) THEN
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  IF (LoadDatabase(id, "phreeqc.dat").NE.0) THEN
     CALL OutputErrorString(id)
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  IF (RunFile(id, "ex2").NE.0) THEN
     CALL OutputErrorString(id)
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  DO r=0,GetSelectedOutputRowCount(id)
     DO c=1,GetSelectedOutputColumnCount(id)
        IF (GetSelectedOutputValue(id,r,c,t,d,s).NE.IPQ_OK) THEN
           CALL OutputErrorString(id)
           F_MAIN = EXIT_FAILURE
           RETURN
        END IF
     END DO
  END DO
  
  
  IF (DestroyIPhreeqc(id).NE.0) THEN
     CALL OutputErrorString(id)
     F_MAIN = EXIT_FAILURE
     RETURN
  END IF
  
  F_MAIN = EXIT_SUCCESS
  RETURN
  
END FUNCTION F_MAIN


FUNCTION TestGetSet(id,getFunc,setFunc)
  
  IMPLICIT NONE
  INCLUDE 'IPhreeqc.f90.inc'
  INTEGER(KIND=4) id
  INTEGER(KIND=4) TESTGETSET
  INTERFACE
     FUNCTION getFunc(id)
       INTEGER(KIND=4) id
       LOGICAL(KIND=4) getFunc
     END FUNCTION getFunc
  END INTERFACE
  INTERFACE
     FUNCTION setFunc(id,flag)
       INTEGER(KIND=4) id
       LOGICAL(KIND=4) flag
       INTEGER(KIND=4) setFunc
     END FUNCTION setFunc
  END INTERFACE
  INTEGER(KIND=4),PARAMETER :: EXIT_SUCCESS = 0
  INTEGER(KIND=4),PARAMETER :: EXIT_FAILURE = 1
  
  IF (getFunc(id)) THEN
     TestGetSet = EXIT_FAILURE
     RETURN
  END IF
  
  IF (setFunc(id,.TRUE.).NE.IPQ_OK) THEN
     TestGetSet = EXIT_FAILURE
     RETURN
  END IF
  
  IF (.NOT.getFunc(id)) THEN
     TestGetSet = EXIT_FAILURE
     RETURN
  END IF
  
  IF (setFunc(id,.FALSE.).NE.IPQ_OK) THEN
     TestGetSet = EXIT_FAILURE
     RETURN
  END IF
  
  TestGetSet = EXIT_SUCCESS
  RETURN
  
END FUNCTION TestGetSet