Borrmann Manfred
Joined: 29 Mar 2007 Posts: 28
|
Posted: Thu Apr 14, 2016 3:01 pm Post subject: strange behaviour of the intrinsic "sum" |
|
|
Hello Paul,
i need your help. Below i have embedded a little program, which demonstrates that something going wrong with the Salford Compiler V7.20.
Code: | program strange_bug
implicit none
integer, dimension(3) :: array = (/ 2, 1, 3 /)
integer sum1, sum2, sum3, sum4, sum5, sum6 ! SALFORD ! INTEL 14/4/2016
sum1=-1; sum2=-1; sum3=-1; sum4=-1; sum5=-1; sum6=-1 ! ------------------------
sum1 = sum(array(:), mask = array .ne. 1 ) ! sum1 = 5 sum1 = 5
sum2 = sum(array(:), mask = array /= 1 ) ! sum2 = 5 sum2 = 5
sum3 = sum(array(:), mask = array(2) .ne. 1 ) ! sum3 = 1 sum3 = 0
sum4 = sum(array(:), mask = array(2) /= 1 ) ! sum4 = 3 sum4 = 0
sum5 = sum(array(:), mask = array(3) .ne. 1 ) ! sum5 = 2 sum5 = 6
sum6 = sum(array(:), mask = array(3) /= 1 ) ! sum6 = 3 sum6 = 6
write(*,*) sum1, sum2, sum3, sum4, sum5, sum6
end program strange_bug |
The results obtained using the Intel compiler seems to be OK. But the Salford results are very strange. Especially the differences between sum3 and sum4 and between sum5 and sum6 |
|