1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
subroutine cormadvecdp(matrix,nrow,ncol,res,ressize,correcteven)
use selectionalgo
implicit none
!note kind dp is defined in selectionalgo
integer, intent(in) :: nrow, ncol,ressize, correcteven !.Fortran R function will not deal with deferred size arrays
real(kind=dp), dimension(nrow,ncol), intent(inout) :: matrix
real(kind=dp), dimension(ressize), intent(out) :: res
integer :: i, j, n, p
real(kind=dp) :: med,mad, fresh
real(kind=dp), dimension(:), allocatable :: U, V, A, B
p=ubound(matrix,2)
n=ubound(matrix,1)
allocate(U(n),V(n))
if (correcteven==1) then
do i=1,p-3,3
U=matrix(:,i)
med=iselect(U,evencorrection=.true.)
matrix(:,i)=(U-med)/(sqrt2*cost*iselect(abs(U-med),evencorrection=.true.))
U=matrix(:,i+1)
med=iselect(U,evencorrection=.true.)
matrix(:,i+1)=(U-med)/(sqrt2*cost*iselect(abs(U-med),evencorrection=.true.))
U=matrix(:,i+2)
med=iselect(U,evencorrection=.true.)
matrix(:,i+2)=(U-med)/(sqrt2*cost*iselect(abs(U-med),evencorrection=.true.))
end do
do i=i,p
U=matrix(:,i)
med=iselect(U,evencorrection=.true.)
matrix(:,i)=(U-med)/(sqrt2*cost*iselect(abs(U-med),evencorrection=.true.))
end do
!unrolled loops
n=1
do i=1,p-1
do j=i+1,p
U=matrix(:,i)+matrix(:,j)
V=-matrix(:,i)+matrix(:,j)
mad=(cost*iselect(abs(U-iselect(U,evencorrection=.true.)),evencorrection=.true.))**2
med=(cost*iselect(abs(V-iselect(V,evencorrection=.true.)),evencorrection=.true.))**2
res(n)=(mad-med)/(mad+med)
n=n+1
end do
end do
else
do i=1,p-3,3
U=matrix(:,i)
med=iselect(U)
matrix(:,i)=(U-med)/(sqrt2*cost*iselect(abs(U-med)))
U=matrix(:,i+1)
med=iselect(U)
matrix(:,i+1)=(U-med)/(sqrt2*cost*iselect(abs(U-med)))
U=matrix(:,i+2)
med=iselect(U)
matrix(:,i+2)=(U-med)/(sqrt2*cost*iselect(abs(U-med)))
end do
do i=i,p
U=matrix(:,i)
med=iselect(U)
matrix(:,i)=(U-med)/(sqrt2*cost*iselect(abs(U-med)))
end do
!unrolled loops
n=1
do i=1,p-1
do j=i+1,p
U=matrix(:,i)+matrix(:,j)
V=-matrix(:,i)+matrix(:,j)
mad=(cost*iselect(abs(U-iselect(U))))**2
med=(cost*iselect(abs(V-iselect(V))))**2
res(n)=(mad-med)/(mad+med)
n=n+1
end do
end do
end if
end subroutine cormadvecdp
|
