Subversion Repositories openrisc

! { dg-do compile }

      SUBROUTINE A12( X, XOLD, N, TOL )

      REAL X(*), XOLD(*), TOL

      INTEGER N

      INTEGER C, I, TOOBIG

      REAL ERROR, Y, AVERAGE

      EXTERNAL AVERAGE

      C=0

      TOOBIG = 1

!$OMP PARALLEL

        DO WHILE( TOOBIG > 0 )

!$OMP DO PRIVATE(I)

            DO I = 2, N-1

               XOLD(I) = X(I)

            ENDDO

!$OMP SINGLE

            TOOBIG = 0

!$OMP END SINGLE

!$OMP DO PRIVATE(I,Y,ERROR), REDUCTION(+:TOOBIG)

            DO I = 2, N-1

               Y = X(I)

               X(I) = AVERAGE( XOLD(I-1), X(I), XOLD(I+1) )

               ERROR = Y-X(I)

               IF( ERROR > TOL .OR. ERROR < -TOL ) TOOBIG = TOOBIG+1

            ENDDO

!$OMP MASTER

            C=C+1

            PRINT *, "Iteration ", C, " TOOBIG=", TOOBIG

!$OMP END MASTER

        ENDDO

!$OMP END PARALLEL

      END SUBROUTINE A12