OpenMP-Examples/sources/Example_target_mapper.1.f90

39 lines
737 B
Fortran

! @@name: target_mapper.1.f90
! @@type: F-free
! @@compilable: yes, omp_5.0
! @@linkable: no
! @@expect: success
module my_structures
type myvec_t
integer :: len
double precision, pointer :: data(:)
end type
end module
program main
use my_structures
integer, parameter :: N=100
!$omp declare mapper(myvec_t :: v) &
!$omp& map(v, v%data(1:v%len))
type(myvec_t) :: s
allocate(s%data(N))
s%data(1:N) = 0.0d0
s%len = N
!$omp target
call init(s)
!$omp end target
print*,"s%data(",N,")=",s%data(N) !! s%data( 100 )=100.000000000000
end program
subroutine init(s)
use my_structures
type(myvec_t) :: s
s%data = [ (i, i=1,s%len) ]
end subroutine