llvm / openmp / refs/heads/svn-tags/RELEASE_391 / . / final / testsuite / fortran / par_do_reduction.f

<ompts:test> | |

<ompts:testdescription>Test which checks the omp parallel do reduction directive with all its options.</ompts:testdescription> | |

<ompts:ompversion>2.0</ompts:ompversion> | |

<ompts:directive>omp parallel do reduction</ompts:directive> | |

<ompts:testcode> | |

INTEGER FUNCTION <ompts:testcode:functionname>par_do_reduction</ompts:testcode:functionname>() | |

IMPLICIT NONE | |

INTEGER sum, sum2, known_sum, i, i2,diff | |

INTEGER product,known_product,int_const | |

INTEGER MAX_FACTOR | |

DOUBLE PRECISION dsum,dknown_sum,dt,dpt | |

DOUBLE PRECISION rounding_error, ddiff | |

INTEGER double_DIGITS | |

LOGICAL logic_and, logic_or, logic_eqv,logic_neqv | |

INTEGER bit_and, bit_or | |

INTEGER exclusiv_bit_or | |

INTEGER min_value, max_value | |

DOUBLE PRECISION dmin, dmax | |

INTEGER result | |

INCLUDE "omp_testsuite.f" | |

LOGICAL logics(LOOPCOUNT) | |

INTEGER int_array(LOOPCOUNT) | |

DOUBLE PRECISION d_array(LOOPCOUNT) | |

PARAMETER (int_const=10,known_product=3628800) | |

PARAMETER (double_DIGITS=20,MAX_FACTOR=10) | |

PARAMETER (rounding_error=1.E-6) | |

dt = 1./3. | |

known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2 | |

product = 1 | |

sum2 = 0 | |

sum = 0 | |

dsum = 0. | |

result =0 | |

logic_and = .true. | |

logic_or = .false. | |

bit_and = 1 | |

bit_or = 0 | |

exclusiv_bit_or = 0 | |

!$omp parallel do schedule(dynamic, 1) <ompts:check>reduction(+:sum)</ompts:check> | |

DO i =1, LOOPCOUNT | |

sum = sum + i | |

END DO | |

!$omp end parallel do | |

IF (known_sum .NE. sum) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in sum with integers: Result was ", | |

& sum,"instead of ", known_sum | |

END IF | |

diff = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2 | |

!$omp parallel do schedule(dynamic, 1) <ompts:check>reduction (-: diff)</ompts:check> | |

DO i =1, LOOPCOUNT | |

diff = diff - i | |

END DO | |

!$omp end parallel do | |

IF ( diff .NE. 0 ) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in difference with integers: Result was ", | |

& sum,"instead of 0." | |

END IF | |

!... Test for doubles | |

dsum =0. | |

dpt = 1 | |

DO i=1, DOUBLE_DIGITS | |

dpt= dpt * dt | |

END DO | |

dknown_sum = (1-dpt)/(1-dt) | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(+:dsum)</ompts:check> | |

DO i=0,DOUBLE_DIGITS-1 | |

dsum = dsum + dt**i | |

END DO | |

!$omp end parallel do | |

IF(dsum .NE. dknown_sum .AND. | |

& abs(dsum - dknown_sum) .GT. rounding_error ) THEN | |

result = result + 1 | |

write(1,*) "Error in sum with doubles: Result was ", | |

& dsum,"instead of ",dknown_sum,"(Difference: ", | |

& dsum - dknown_sum,")" | |

END IF | |

dpt = 1 | |

DO i=1, DOUBLE_DIGITS | |

dpt = dpt*dt | |

END DO | |

ddiff = ( 1-dpt)/(1-dt) | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(-:ddiff)</ompts:check> | |

DO i=0, DOUBLE_DIGITS-1 | |

ddiff = ddiff - dt**i | |

END DO | |

!$omp end parallel do | |

IF ( ABS(ddiff) .GT. rounding_error ) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in Difference with doubles: Result was ", | |

& ddiff,"instead of 0.0" | |

END IF | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(*:product)</ompts:check> | |

DO i=1,MAX_FACTOR | |

product = product * i | |

END DO | |

!$omp end parallel do | |

IF (known_product .NE. product) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in Product with integers: Result was ", | |

& product," instead of",known_product | |

END IF | |

DO i=1,LOOPCOUNT | |

logics(i) = .TRUE. | |

END DO | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.AND.:logic_and)</ompts:check> | |

DO i=1,LOOPCOUNT | |

logic_and = logic_and .AND. logics(i) | |

END DO | |

!$omp end parallel do | |

IF (.NOT. logic_and) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic AND part 1" | |

END IF | |

logic_and = .TRUE. | |

logics(LOOPCOUNT/2) = .FALSE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.AND.:logic_and)</ompts:check> | |

DO i=1,LOOPCOUNT | |

logic_and = logic_and .AND. logics(i) | |

END DO | |

!$omp end parallel do | |

IF (logic_and) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic AND pass 2" | |

END IF | |

DO i=1, LOOPCOUNT | |

logics(i) = .FALSE. | |

END DO | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.OR.:logic_or)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

logic_or = logic_or .or. logics(i) | |

END DO | |

!$omp end parallel do | |

IF (logic_or) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic OR part 1" | |

END IF | |

logic_or = .FALSE. | |

logics(LOOPCOUNT/2) = .TRUE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.OR.:logic_or)</ompts:check> | |

DO i=1,LOOPCOUNT | |

logic_or = logic_or .OR. logics(i) | |

END DO | |

!$omp end parallel do | |

IF ( .NOT. logic_or ) THEn | |

result = result + 1 | |

WRITE(1,*) "Error in logic OR part 2" | |

END IF | |

!... Test logic EQV, unique in Fortran | |

DO i=1, LOOPCOUNT | |

logics(i) = .TRUE. | |

END DO | |

logic_eqv = .TRUE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.EQV.:logic_eqv)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

logic_eqv = logic_eqv .EQV. logics(i) | |

END DO | |

!$omp end parallel do | |

IF (.NOT. logic_eqv) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic EQV part 1" | |

END IF | |

logic_eqv = .TRUE. | |

logics(LOOPCOUNT/2) = .FALSE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.EQV.:logic_eqv)</ompts:check> | |

DO i=1,LOOPCOUNT | |

logic_eqv = logic_eqv .EQV. logics(i) | |

END DO | |

!$omp end parallel do | |

IF ( logic_eqv ) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic EQV part 2" | |

END IF | |

!... Test logic NEQV, which is unique in Fortran | |

DO i=1, LOOPCOUNT | |

logics(i) = .FALSE. | |

END DO | |

logic_neqv = .FALSE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.NEQV.:logic_neqv)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

logic_neqv = logic_neqv .NEQV. logics(i) | |

END DO | |

!$omp end parallel do | |

IF (logic_neqv) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic NEQV part 1" | |

END IF | |

logic_neqv = .FALSE. | |

logics(LOOPCOUNT/2) = .TRUE. | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(.NEQV.:logic_neqv)</ompts:check> | |

DO i=1,LOOPCOUNT | |

logic_neqv = logic_neqv .neqv. logics(i) | |

END DO | |

!$omp end parallel do | |

IF ( .NOT. logic_neqv ) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in logic NEQV part 2" | |

END IF | |

DO i=1, LOOPCOUNT | |

int_array(i) = 1 | |

END DO | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(IAND:bit_and)</ompts:check> | |

DO i=1, LOOPCOUNT | |

!... iand(I,J): Returns value resulting from boolean AND of | |

!... pair of bits in each of I and J. | |

bit_and = IAND(bit_and,int_array(i)) | |

END DO | |

!$omp end parallel do | |

IF ( bit_and .LT. 1 ) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in IAND part 1" | |

END IF | |

bit_and = 1 | |

int_array(LOOPCOUNT/2) = 0 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(IAND:bit_and)</ompts:check> | |

DO i=1, LOOPCOUNT | |

bit_and = IAND ( bit_and, int_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF( bit_and .GE. 1) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in IAND part 2" | |

END IF | |

DO i=1, LOOPCOUNT | |

int_array(i) = 0 | |

END DO | |

!$omp parallel do schedule(dynamic,1) reduction(IOR:bit_or) | |

DO i=1, LOOPCOUNT | |

!... Ior(I,J): Returns value resulting from boolean OR of | |

!... pair of bits in each of I and J. | |

bit_or = IOR(bit_or, int_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( bit_or .GE. 1) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in Ior part 1" | |

END IF | |

bit_or = 0 | |

int_array(LOOPCOUNT/2) = 1 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(IOR:bit_or)</ompts:check> | |

DO i=1, LOOPCOUNT | |

bit_or = IOR(bit_or, int_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( bit_or .LE. 0) then | |

result = result + 1 | |

WRITE(1,*) "Error in Ior part 2" | |

END IF | |

DO i=1, LOOPCOUNT | |

int_array(i) = 0 | |

END DO | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(IEOR:exclusiv_bit_or)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

exclusiv_bit_or = ieor(exclusiv_bit_or, int_array(i)) | |

END DO | |

!$omp end parallel do | |

IF ( exclusiv_bit_or .GE. 1) THEN | |

result = result + 1 | |

WRITE(1,*) "Error in Ieor part 1" | |

END IF | |

exclusiv_bit_or = 0 | |

int_array(LOOPCOUNT/2) = 1 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(IEOR:exclusiv_bit_or)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

exclusiv_bit_or = IEOR(exclusiv_bit_or, int_array(i)) | |

END DO | |

!$omp end parallel do | |

IF ( exclusiv_bit_or .le. 0) then | |

result = result + 1 | |

WRITE(1,*) "Error in Ieor part 2" | |

END IF | |

DO i=1,LOOPCOUNT | |

int_array(i) = 10 - i | |

END DO | |

min_value = 65535 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(MIN:min_value)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

min_value = MIN(min_value,int_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( min_value .GT. (10-LOOPCOUNT) )THEN | |

result = result + 1 | |

WRITE(1,*) "Error in integer MIN" | |

END IF | |

DO i=1,LOOPCOUNT | |

int_array(i) = i | |

END DO | |

max_value = -32768 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(MAX:max_value)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

max_value = MAX(max_value,int_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( max_value .LT. LOOPCOUNT )THEN | |

result = result + 1 | |

WRITE(1,*) "Error in integer MAX" | |

END IF | |

!... test double min, max | |

DO i=1,LOOPCOUNT | |

d_array(i) = 10 - i*dt | |

END DO | |

dmin = 2**10 | |

dt = 0.5 | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(MIN:dmin)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

dmin= MIN(dmin,d_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( dmin .GT. (10-dt) )THEN | |

result = result + 1 | |

WRITE(1,*) "Error in double MIN" | |

END IF | |

DO i=1,LOOPCOUNT | |

d_array(i) = i * dt | |

END DO | |

dmax= - (2**10) | |

!$omp parallel do schedule(dynamic,1) <ompts:check>reduction(max:dmax)</ompts:check> | |

DO i = 1, LOOPCOUNT | |

dmax= max(dmax,d_array(i) ) | |

END DO | |

!$omp end parallel do | |

IF ( dmax .LT. LOOPCOUNT*dt )THEN | |

result = result + 1 | |

WRITE(1,*) "Error in double MAX" | |

END IF | |

IF ( result .EQ. 0 ) THEN | |

<testfunctionname></testfunctionname> = 1 | |

ELSE | |

<testfunctionname></testfunctionname> = 0 | |

END IF | |

END FUNCTION | |

</ompts:testcode> | |

</ompts:test> |