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<ompts:test>
<ompts:testdescription>Test which checks the omp critical directive by counting up a variable in a parallelized region within a critical section.
</ompts:testdescription>
<ompts:ompversion>2.0</ompts:ompversion>
<ompts:directive>omp critical</ompts:directive>
<ompts:testcode>
INTEGER FUNCTION <ompts:testcode:functionname>omp_critical</ompts:testcode:functionname>()
IMPLICIT NONE
INTEGER known_sum
<ompts:orphan:vars>
INTEGER i,j,myi,myj, sum
COMMON /orphvars/ sum, myi, myj
</ompts:orphan:vars>
sum = 0
myi = 0
myj = 500
!$omp parallel
!$omp sections
!$omp section
DO i = 0 , 499
<ompts:orphan>
<ompts:check>
!$omp critical
</ompts:check>
sum = sum + myi
myi = myi + 1
<ompts:check>
!$omp end critical
</ompts:check>
</ompts:orphan>
END DO
!$omp section
DO j = 500 , 999
<ompts:orphan>
<ompts:check>
!$omp critical
</ompts:check>
sum = sum + myj
myj = myj + 1
<ompts:check>
!$omp end critical
</ompts:check>
</ompts:orphan>
END DO
!$omp end sections
!$omp end parallel
known_sum = 999*1000/2
IF ( known_sum .EQ. sum ) THEN
<testfunctionname></testfunctionname> = 1
ELSE
WRITE (1,*) "Found sum was", sum, "instead", known_sum
<testfunctionname></testfunctionname> = 0
END IF
END
</ompts:testcode>
</ompts:test>
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