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Add variant of square test with activity descriptor #2917

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Add variant of square test with activity descriptor #2917

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12 changes: 10 additions & 2 deletions enzyme/test/Fortran/ReverseMode/square_with_bindings.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -9,16 +9,22 @@
! handle the indirection involved in the enzyme_autodiff binding

program app
use enzyme, only: enzyme_autodiff
use enzyme, only: enzyme_dup, enzyme_autodiff
implicit none
real :: x, dx

! Test without an activity descriptor
x = 3
print *, square(x)

dx = 0
call enzyme_autodiff(square, x, dx)
print *, dx

! Test with an activity descriptor
x = 4
print *, square(x)
dx = 0
call enzyme_autodiff(square, enzyme_dup, x, dx)
print *, dx

contains
Expand All @@ -32,3 +38,5 @@ end program app

! CHECK: 9
! CHECK-NEXT: 6
! CHECK-NEXT: 16
! CHECK-NEXT: 8
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