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test_varn.f90
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test_varn.f90
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module test_varn
use, intrinsic :: ieee_arithmetic, only: ieee_is_nan
use stdlib_kinds, only: sp, dp, int32
use stdlib_stats, only: var
use testdrive, only: new_unittest, unittest_type, error_type, check
implicit none
private
public :: collect_varn, initialize_test_data
real(sp), parameter :: sptol = 1000 * epsilon(1._sp)
real(dp), parameter :: dptol = 1000 * epsilon(1._dp)
integer(int32) :: i321(5) = [1, 2, 3, 4, 5]
integer(int32), allocatable :: i32(:,:), i323(:,:,:)
real(sp) :: s1(5) = [1._sp, 2._sp, 3._sp, 4._sp, 5._sp]
real(dp) :: d1(5) = [1._dp, 2._dp, 3._dp, 4._dp, 5._dp]
real(sp), allocatable :: s(:,:), s3(:,:,:)
real(dp), allocatable :: d3(:,:,:)
real(dp) :: d(4,3) = reshape([1._dp, 3._dp, 5._dp, 7._dp, &
2._dp, 4._dp, 6._dp, 8._dp, &
9._dp, 10._dp, 11._dp, 12._dp], [4, 3])
complex(dp) :: cd1(5) = [(0.57706_dp, 0.00000_dp), &
(0.00000_dp, 1.44065_dp), &
(1.26401_dp, 0.00000_dp), &
(0.00000_dp, 0.88833_dp), &
(1.14352_dp, 0.00000_dp)]
complex(dp) :: cd(5,3)
contains
subroutine initialize_test_data()
s = d
i32 = d
allocate(s3(size(s, 1),size(s, 2),3))
s3(:,:,1) = s
s3(:,:,2) = s * 2
s3(:,:,3) = s * 4
allocate(d3(size(d, 1),size(d, 2),3))
d3(:,:,1) = d
d3(:,:,2) = d * 2
d3(:,:,3) = d * 4
allocate(i323(size(i32, 1),size(i32, 2),3))
i323(:,:,1) = i32
i323(:,:,2) = i32 * 2
i323(:,:,3) = i32 * 4
cd(:,1) = cd1
cd(:,2) = cd1 * 3_sp
cd(:,3) = cd1 * 1.5_sp
end subroutine initialize_test_data
!> Collect all exported unit tests
subroutine collect_varn(testsuite)
!> Collection of tests
type(unittest_type), allocatable, intent(out) :: testsuite(:)
testsuite = [ &
new_unittest('varn_sp_1dim', test_sp_1dim), &
new_unittest('varn_sp_1dim_mask', test_sp_1dim_mask), &
new_unittest('varn_sp_1dim_mask_array', test_sp_1dim_mask_array), &
new_unittest('varn_sp_2dim', test_sp_2dim), &
new_unittest('varn_sp_2dim_mask', test_sp_2dim_mask), &
new_unittest('varn_sp_2dim_mask_array', test_sp_2dim_mask_array), &
new_unittest('varn_sp_3dim', test_sp_3dim), &
new_unittest('varn_sp_3dim_mask', test_sp_3dim_mask), &
new_unittest('varn_sp_3dim_mask_array', test_sp_3dim_mask_array), &
new_unittest('varn_dp_1dim', test_dp_1dim), &
new_unittest('varn_dp_1dim_mask', test_dp_1dim_mask), &
new_unittest('varn_dp_1dim_mask_array', test_dp_1dim_mask_array), &
new_unittest('varn_dp_2dim', test_dp_2dim), &
new_unittest('varn_dp_2dim_mask', test_dp_2dim_mask), &
new_unittest('varn_dp_2dim_mask_array', test_dp_2dim_mask_array), &
new_unittest('varn_dp_3dim', test_dp_3dim), &
new_unittest('varn_dp_3dim_mask', test_dp_3dim_mask), &
new_unittest('varn_dp_3dim_mask_array', test_dp_3dim_mask_array), &
new_unittest('varn_int32_1dim', test_int32_1dim), &
new_unittest('varn_int32_1dim_mask', test_int32_1dim_mask), &
new_unittest('varn_int32_1dim_mask_array', test_int32_1dim_mask_array), &
new_unittest('varn_int32_2dim', test_int32_2dim), &
new_unittest('varn_int32_2dim_mask', test_int32_2dim_mask), &
new_unittest('varn_int32_2dim_mask_array', test_int32_2dim_mask_array), &
new_unittest('varn_int32_3dim', test_int32_3dim), &
new_unittest('varn_int32_3dim_mask', test_int32_3dim_mask), &
new_unittest('varn_int32_3dim_mask_array', test_int32_3dim_mask_array), &
new_unittest('varn_cdp_1dim', test_cdp_1dim), &
new_unittest('varn_cdp_1dim_mask', test_cdp_1dim_mask), &
new_unittest('varn_cdp_1dim_mask_array', test_cdp_1dim_mask_array), &
new_unittest('varn_cdp_2dim', test_cdp_2dim), &
new_unittest('varn_cdp_2dim_mask', test_cdp_2dim_mask), &
new_unittest('varn_cdp_2dim_mask_array', test_cdp_2dim_mask_array) &
]
end
subroutine test_sp_1dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s1, corrected=.false.) - 2.5*(4./5.)) < sptol)
call check(error, abs(var(s1, dim=1, corrected=.false.) - 2.5*(4./5.)) < sptol)
end
subroutine test_sp_1dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(s1, .false., corrected=.false.)))
call check(error, ieee_is_nan(var(s1, 1, .false., corrected=.false.)))
end
subroutine test_sp_1dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s1, s1 < 5, corrected=.false.) - 5./4.) < sptol)
call check(error, ieee_is_nan((var(s1, s1 < 0., corrected=.false.))))
call check(error, abs(var(s1, s1 == 1., corrected=.false.)) < sptol)
call check(error, abs(var(s1, 1, s1 < 5, corrected=.false.) - 5./4.) < sptol)
end
subroutine test_sp_2dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s, corrected=.false.) - 13.*11./12.) < sptol)
call check(error, all(abs(var(s, 1, corrected=.false.) &
- [20., 20., 5.]/4.) < sptol))
call check(error, all(abs(var(s, 2, corrected=.false.) &
- [19., 43./3., 31./ 3., 7.0]*2./3.) < sptol))
end
subroutine test_sp_2dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(s, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(s, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(s, 2, .false., corrected=.false.))))
end
subroutine test_sp_2dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s, s < 11, corrected=.false.) - 2.75*3.) < sptol)
call check(error, all(abs(var(s, 1, s < 11, corrected=.false.) &
- [5., 5., 0.25]) < sptol))
call check(error, all(abs(var(s, 2, s < 11, corrected=.false.) &
- [19.0*2./3., 43./9.*2., 0.25 , 0.25]) < sptol))
end
subroutine test_sp_3dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s3, corrected=.false.) - 153.4*35./36.) < sptol)
call check(error, all(abs(var(s3, 1, corrected=.false.) -&
reshape([20. / 3., 20. / 3., 5. / 3.,&
4* 20. / 3., 4* 20. / 3., 4* 5. / 3.,&
16* 20. / 3., 16* 20. / 3., 16* 5. / 3.],&
[size(s3, 2), size(s3, 3)])*3./4.)&
< sptol))
call check(error, all(abs(var(s3, 2, corrected=.false.) -&
reshape([19.0, 43. / 3., 31. / 3. , 7.0,&
4* 19.0, 4* 43. / 3., 4* 31. / 3. , 4* 7.0,&
16* 19.0, 16* 43. / 3., 16* 31. / 3. , 16* 7.0],&
[size(s3, 1), size(s3, 3)])*2./3.)&
< sptol))
call check(error, all(abs(var(s3, 3, corrected=.false.) -&
reshape([ 7./3., 21., 175./3.,&
343./3., 28./3., 112./3.,&
84., 448./3., 189.,&
700./3., 847./3., 336.], [size(s3,1), size(s3,2)] )*2./3.)&
< sptol))
end
subroutine test_sp_3dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(s3, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(s3, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(s3, 2, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(s3, 3, .false., corrected=.false.))))
end
subroutine test_sp_3dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(s3, s3 < 11, corrected=.false.) - 7.73702383_sp) < sptol)
call check(error, all( abs( var(s3, 1, s3 < 45, corrected=.false.) -&
reshape([5., 5., 1.25, 20., 20., 5., 80., 80., 32./3.],&
[size(s3, 2), size(s3, 3)])) < sptol ))
call check(error, all( abs( var(s3, 2, s3 < 45, corrected=.false.) -&
reshape([ 38./3., 86./9., 6.88888931, 14./3., 152./3.,&
38.2222214, 27.5555573, 18.6666660, 202.666672,&
152.888885, 110.222229, 4.&
],&
[size(s3, 1), size(s3, 3)])) < sptol ))
call check(error, all( abs( var(s3, 3, s3 < 45, corrected=.false.) -&
reshape([1.555555, 14., 38.888888, 76.222222, 6.2222222,&
24.888888, 56., 99.5555, 126., 155.555555, 188.22222, 36.&
], [size(s3,1), size(s3,2)] ))&
< sptol ))
end
subroutine test_dp_1dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d1, corrected=.false.) - 2.5_dp*(4._dp/5.)) < dptol)
call check(error, abs(var(d1, dim=1, corrected=.false.) - 2.5_dp*(4._dp/5.)) < dptol)
end
subroutine test_dp_1dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(d1, .false., corrected=.false.)))
call check(error, ieee_is_nan(var(d1, 1, .false., corrected=.false.)))
end
subroutine test_dp_1dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d1, d1 < 5, corrected=.false.) - 5._dp/4.) < dptol)
call check(error, ieee_is_nan((var(d1, d1 < 0, corrected=.false.))))
call check(error, abs(var(d1, d1 == 1, corrected=.false.)) < dptol)
call check(error, abs(var(d1, 1, d1 < 5, corrected=.false.) - 5._dp/4.) < dptol)
end
subroutine test_dp_2dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d, corrected=.false.) - 13._dp*11./12.) < dptol)
call check(error, all( abs( var(d, 1, corrected=.false.) - [20., 20., 5.]/4._dp) < dptol))
call check(error, all( abs( var(d, 2, corrected=.false.) -&
[38._dp, 86._dp / 3._dp, 62._dp / 3._dp , 14._dp]/3._dp) < dptol))
end
subroutine test_dp_2dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(d, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(d, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(d, 2, .false., corrected=.false.))))
end
subroutine test_dp_2dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d, d < 11, corrected=.false.) - 2.75_dp*3._dp) < dptol)
call check(error, all( abs( var(d, 1, d < 11, corrected=.false.) -&
[5._dp, 5._dp, 0.25_dp]) < dptol))
call check(error, all( abs( var(d, 2, d < 11, corrected=.false.) -&
[38._dp/3., 86._dp/9., 0.25_dp , 0.25_dp]) < dptol))
end
subroutine test_dp_3dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d3, corrected=.false.) - 153.4_dp*35._dp/36._dp) < dptol)
call check(error, all( abs( var(d3, 1, corrected=.false.) -&
reshape([20._dp , 20._dp , 5._dp ,&
4* 20._dp , 4* 20._dp , 4* 5._dp ,&
16* 20._dp , 16* 20._dp , 16* 5._dp ],&
[size(d3,2), size(d3,3)])/4._dp)&
< dptol))
call check(error, all( abs( var(d3, 2, corrected=.false.) -&
reshape([38._dp, 86. / 3._dp, 62. / 3._dp , 14._dp,&
8* 19._dp, 8* 43. / 3._dp, 8* 31. / 3._dp, 8* 7._dp,&
32* 19._dp, 32* 43. / 3._dp, 32* 31. / 3._dp, 32* 7._dp],&
[size(d3,1), size(d3,3)] )/3._dp)&
< dptol))
call check(error, all(abs( var(d3, 3, corrected=.false.) -&
reshape([7._dp/3., 21._dp, 175._dp/3.,&
343._dp/3., 28._dp/3., 112._dp/3.,&
84._dp, 448._dp/3., 189._dp,&
700._dp/3., 847._dp/3., 336._dp],&
[size(d3, 1), size(d3, 2)] )*2._dp/3._dp)&
< dptol))
end
subroutine test_dp_3dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(d3, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(d3, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(d3, 2, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(d3, 3, .false., corrected=.false.))))
end
subroutine test_dp_3dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(d3, d3 < 11, corrected=.false.) -&
7.7370242214532876_dp) < dptol)
call check(error, all(abs(var(d3, 1, d3 < 45, corrected=.false.) -&
reshape([5._dp, 5._dp, 1.25_dp, 20._dp, 20._dp, 5._dp,&
80._dp, 80._dp, 32._dp/3.],&
[size(d3, 2), size(d3, 3)])) < dptol))
call check(error, all(abs( var(d3, 2, d3 < 45, corrected=.false.) -&
reshape([38._dp/3., 86._dp/9., 62._dp/9., 14._dp/3., 152._dp/3.,&
344._dp/9., 248._dp/9., 168._dp/9., 1824._dp/9.,&
1376._dp/9., 992._dp/9., 4._dp&
],&
[size(d3, 1), size(d3, 3)])) < dptol))
call check(error, all(abs(var(d3, 3, d3 < 45, corrected=.false.) -&
reshape([14._dp/9., 14._dp, 350._dp/9., 686._dp/9., 56._dp/9.,&
224._dp/9., 56._dp, 896._dp/9., 126._dp, 1400._dp/9.,&
1694._dp/9., 36._dp&
], [size(d3, 1), size(d3, 2)]))&
< dptol ))
end
subroutine test_int32_1dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i321, corrected=.false.) - 2.5_dp*(4._dp/5.)) < dptol)
call check(error, abs(var(i321, dim=1, corrected=.false.) - 2.5_dp*(4._dp/5.)) < dptol)
end
subroutine test_int32_1dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(i321, .false., corrected=.false.)))
call check(error, ieee_is_nan(var(i321, 1, .false., corrected=.false.)))
end
subroutine test_int32_1dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i321, i321 < 5, corrected=.false.) - 5._dp/4.) < dptol)
call check(error, ieee_is_nan((var(i321, i321 < 0, corrected=.false.))))
call check(error, abs(var(i321, i321 == 1, corrected=.false.)) < dptol)
call check(error, abs(var(i321, 1, i321 < 5, corrected=.false.) - 5._dp/4.) < dptol)
end
subroutine test_int32_2dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i32, corrected=.false.) - 13._dp*11./12.) < dptol)
call check(error, all(abs(var(i32, 1, corrected=.false.) -&
[20., 20., 5.]/4._dp) < dptol))
call check(error, all(abs(var(i32, 2, corrected=.false.) -&
[38._dp, 86._dp / 3._dp, 62._dp / 3._dp , 14._dp]/3._dp) < dptol))
end
subroutine test_int32_2dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(i32, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(i32, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(i32, 2, .false., corrected=.false.))))
end
subroutine test_int32_2dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i32, i32 < 11, corrected=.false.) - 2.75_dp*3._dp) < dptol)
call check(error, all(abs(var(i32, 1, i32 < 11, corrected=.false.) -&
[5._dp, 5._dp, 0.25_dp]) < dptol))
call check(error, all(abs(var(i32, 2, i32 < 11, corrected=.false.) -&
[38._dp/3., 86._dp/9., 0.25_dp , 0.25_dp]) < dptol))
end
subroutine test_int32_3dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i323, corrected=.false.) - 153.4_dp*35._dp/36._dp) < dptol)
call check(error, all(abs(var(i323, 1, corrected=.false.) -&
reshape([20._dp , 20._dp , 5._dp ,&
4* 20._dp , 4* 20._dp , 4* 5._dp ,&
16* 20._dp , 16* 20._dp , 16* 5._dp ],&
[size(i323,2), size(i323,3)])/4._dp)&
< dptol))
call check(error, all(abs(var(i323, 2, corrected=.false.) -&
reshape([38._dp, 86. / 3._dp, 62. / 3._dp , 14._dp,&
8* 19._dp, 8* 43. / 3._dp, 8* 31. / 3._dp, 8* 7._dp,&
32* 19._dp, 32* 43. / 3._dp, 32* 31. / 3._dp, 32* 7._dp],&
[size(i323,1), size(i323,3)] )/3._dp)&
< dptol))
call check(error, all(abs(var(i323, 3, corrected=.false.) -&
reshape([ 7._dp/3., 21._dp, 175._dp/3.,&
343._dp/3., 28._dp/3., 112._dp/3.,&
84._dp, 448._dp/3., 189._dp,&
700._dp/3., 847._dp/3., 336._dp],&
[size(i323,1), size(i323,2)] )*2._dp/3._dp)&
< dptol))
end
subroutine test_int32_3dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(i323, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(i323, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(i323, 2, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(i323, 3, .false., corrected=.false.))))
end
subroutine test_int32_3dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(i323, i323 < 11, corrected=.false.) -&
7.7370242214532876_dp) < dptol)
call check(error, all(abs(var(i323, 1, i323 < 45, corrected=.false.) -&
reshape([5._dp, 5._dp, 1.25_dp, 20._dp, 20._dp, 5._dp,&
80._dp, 80._dp, 32._dp/3.],&
[size(i323, 2), size(i323, 3)])) < dptol ))
call check(error, all(abs(var(i323, 2, i323 < 45, corrected=.false.) -&
reshape([ 38._dp/3., 86._dp/9., 62._dp/9., 14._dp/3., 152._dp/3.,&
344._dp/9., 248._dp/9., 168._dp/9., 1824._dp/9.,&
1376._dp/9., 992._dp/9., 4._dp&
],&
[size(i323, 1), size(i323, 3)])) < dptol ))
call check(error, all(abs(var(i323, 3, i323 < 45, corrected=.false.) -&
reshape([14._dp/9., 14._dp, 350._dp/9., 686._dp/9., 56._dp/9.,&
224._dp/9., 56._dp, 896._dp/9., 126._dp, 1400._dp/9.,&
1694._dp/9., 36._dp&
], [size(i323,1), size(i323,2)] ))&
< dptol ))
end
subroutine test_cdp_1dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(cd1, corrected=.false.) -&
(var(real(cd1), corrected=.false.) +&
var(aimag(cd1), corrected=.false.))) < dptol)
call check(error, abs(var(cd1, dim=1, corrected=.false.) -&
(var(real(cd1), dim=1, corrected=.false.) +&
var(aimag(cd1), dim=1, corrected=.false.))) < dptol)
end
subroutine test_cdp_1dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(cd1, .false., corrected=.false.)))
call check(error, ieee_is_nan(var(cd1, 1, .false., corrected=.false.)))
end
subroutine test_cdp_1dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(cd1, cd1%im == 0, corrected=.false.) &
- var(cd1%re, cd1%im == 0, corrected=.false.)) < dptol)
call check(error, abs(var(cd1, 1, cd1%im == 0, corrected=.false.) &
- var(cd1%re, 1, cd1%im == 0, corrected=.false.)) < dptol)
call check(error, ieee_is_nan((var(cd1, all([cd1%re, cd1%im] == 0), &
corrected=.false.))))
call check(error, abs(var(cd1, (cd1%re > 1.2 .and. cd1%im == 0), &
corrected=.false.)) < dptol)
end
subroutine test_cdp_2dim(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(cd, corrected=.false.) &
- (var(cd%re, corrected=.false.) &
+ var(cd%im, corrected=.false.))) < dptol)
call check(error, all(abs(var(cd, 1, corrected=.false.) &
- (var(cd%re, 1, corrected=.false.) &
+ var(cd%im, 1, corrected=.false.))) < dptol))
call check(error, all(abs(var(cd, 2, corrected=.false.) &
- (var(cd%re, 2, corrected=.false.) &
+ var(cd%im, 2, corrected=.false.))) < dptol))
end
subroutine test_cdp_2dim_mask(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, ieee_is_nan(var(cd, .false., corrected=.false.)))
call check(error, any(ieee_is_nan(var(cd, 1, .false., corrected=.false.))))
call check(error, any(ieee_is_nan(var(cd, 2, .false., corrected=.false.))))
end
subroutine test_cdp_2dim_mask_array(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
call check(error, abs(var(cd, cd%im == 0, corrected=.false.) &
- var(cd%re, cd%im == 0, corrected=.false.)) < dptol)
call check(error, all(abs(var(cd, 1, cd%im == 0, corrected=.false.) &
- var(cd%re, 1, cd%im == 0, corrected=.false.)) < dptol))
call check(error, any(ieee_is_nan(var(cd, 2, cd%im == 0, corrected=.false.))))
end
end module test_varn
program tester
use, intrinsic :: iso_fortran_env, only: error_unit
use testdrive, only: run_testsuite, new_testsuite, testsuite_type
use test_varn, only: collect_varn, initialize_test_data
implicit none
integer :: stat, is
type(testsuite_type), allocatable :: testsuites(:)
character(len=*), parameter :: fmt = '("#", *(1x, a))'
stat = 0
testsuites = [ &
new_testsuite('varn', collect_varn) &
]
call initialize_test_data()
do is = 1, size(testsuites)
write(error_unit, fmt) "Testing:", testsuites(is)%name
call run_testsuite(testsuites(is)%collect, error_unit, stat)
end do
if (stat > 0) then
write(error_unit, '(i0, 1x, a)') stat, "test(s) failed!"
error stop
end if
end program tester