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Ralf
Joined: 30 Aug 2007
Posts: 50
Location: munich
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 Posted: Wed Feb 28, 2024 9:56 am Post subject: MAXVAL with /check-option |
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I got an 'Access-Violation' error with MAXVAL ( or MINVAL) when I compile my code with the /check option (only 64bit). See the following example:
| Code: |
program Test_maxval
integer*4,parameter :: size_1_of_array = 5
integer*4,parameter :: size_2_of_array = 10
integer*4,parameter :: max_ref = 10
real*4 :: r_maxval
real*4,ALLOCATABLE,DIMENSION(:,:) :: real_array
integer*4 :: i, ierror
integer*4,dimension(max_ref) :: n_points
ALLOCATE (real_array(size_1_of_array,size_2_of_array),STAT = ierror)
real_array = 1.
real_array(2,3) = 2.
i = 3
n_points = 4
r_maxval = maxval(real_array(1:4,3))
write(*,*)'r_maxval=',r_maxval
stop
end |
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PaulLaidler
Site Admin
Joined: 21 Feb 2005
Posts: 7925
Location: Salford, UK
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| Posted: Wed Feb 28, 2024 10:28 am Post subject: |
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Ralf
On first testing this does not fail for me. Which version of FTN95 are you using? |
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Ralf
Joined: 30 Aug 2007
Posts: 50
Location: munich
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| Posted: Wed Feb 28, 2024 10:54 am Post subject: |
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Version 9.00.0
I compile the example with:
ftn95 /check /64 testmaxval.f95 /link |
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Ralf
Joined: 30 Aug 2007
Posts: 50
Location: munich
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| Posted: Wed Feb 28, 2024 10:59 am Post subject: |
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I am sorry, I posted the wrng version of the example.
relplace the maxval command with:
| Code: |
r_maxval = maxval(real_array(1:n_points(i),i))
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PaulLaidler
Site Admin
Joined: 21 Feb 2005
Posts: 7925
Location: Salford, UK
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| Posted: Wed Feb 28, 2024 11:27 am Post subject: |
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The bounds checking for 64 bits does not work in this context. For the moment it is necessary to add /inhibit_check 20 when using /check.
I will add this to the list of things to investigate. |
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