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Intent specifications for all subroutines #58

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ee1edf3
Standard iso_fortran definition of real kind.
loiseaujc Sep 26, 2025
8662065
Fisrt batch of intent specifications
loiseaujc Sep 29, 2025
e910a09
Second bacth of intent specifications.
loiseaujc Sep 29, 2025
74380de
Fix c1 array size.
loiseaujc Sep 30, 2025
56ab310
Last batch of intent specs.
loiseaujc Sep 30, 2025
cb2a4ad
Change ch to intent(inout) as it may be changed on one (yet) untested…
loiseaujc Sep 30, 2025
5227612
Update src/zfftb.f90
loiseaujc Oct 1, 2025
6256cd4
Update src/zfftf.f90
loiseaujc Oct 1, 2025
f36ef88
Update src/dfftb.f90
loiseaujc Oct 1, 2025
640bbd7
Update src/dfftf.f90
loiseaujc Oct 1, 2025
a46a745
Update src/dcost.f90
loiseaujc Oct 1, 2025
afcfff6
Update src/dzfftb.f90
loiseaujc Oct 1, 2025
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135 changes: 68 additions & 67 deletions src/cfftb1.f90
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Original file line number Diff line number Diff line change
@@ -1,68 +1,69 @@
subroutine cfftb1(n,c,Ch,Wa,Ifac)
use fftpack_kind
implicit none
real(rk) :: c , Ch , Wa
integer :: i , idl1 , ido , idot , Ifac , ip , iw , ix2 , ix3 , ix4, &
k1 , l1 , l2 , n , n2 , na , nac , nf
dimension Ch(*) , c(*) , Wa(*) , Ifac(*)
nf = Ifac(2)
na = 0
l1 = 1
iw = 1
do k1 = 1 , nf
ip = Ifac(k1+2)
l2 = ip*l1
ido = n/l2
idot = ido + ido
idl1 = idot*l1
if ( ip==4 ) then
ix2 = iw + idot
ix3 = ix2 + idot
if ( na/=0 ) then
call passb4(idot,l1,Ch,c,Wa(iw),Wa(ix2),Wa(ix3))
subroutine cfftb1(n, c, ch, wa, ifac)
use fftpack_kind, only: dp => rk
implicit none
integer, intent(in) :: n, ifac(*)
real(dp), intent(in) :: wa(*)
real(dp), intent(inout) :: c(*), ch(*)
integer :: i, idl1, ido, idot, ip, iw, ix2, ix3, ix4, &
k1, l1, l2, n2, na, nac, nf
nf = ifac(2)
na = 0
l1 = 1
iw = 1
do k1 = 1, nf
ip = ifac(k1 + 2)
l2 = ip*l1
ido = n/l2
idot = ido + ido
idl1 = idot*l1
if (ip == 4) then
ix2 = iw + idot
ix3 = ix2 + idot
if (na /= 0) then
call passb4(idot, l1, ch, c, wa(iw), wa(ix2), wa(ix3))
else
call passb4(idot, l1, c, ch, wa(iw), wa(ix2), wa(ix3))
end if
na = 1 - na
elseif (ip == 2) then
if (na /= 0) then
call passb2(idot, l1, ch, c, wa(iw))
else
call passb2(idot, l1, c, ch, wa(iw))
end if
na = 1 - na
elseif (ip == 3) then
ix2 = iw + idot
if (na /= 0) then
call passb3(idot, l1, ch, c, wa(iw), wa(ix2))
else
call passb3(idot, l1, c, ch, wa(iw), wa(ix2))
end if
na = 1 - na
elseif (ip /= 5) then
if (na /= 0) then
call passb(nac, idot, ip, l1, idl1, ch, ch, ch, c, c, wa(iw))
else
call passb(nac, idot, ip, l1, idl1, c, c, c, ch, ch, wa(iw))
end if
if (nac /= 0) na = 1 - na
else
call passb4(idot,l1,c,Ch,Wa(iw),Wa(ix2),Wa(ix3))
endif
na = 1 - na
elseif ( ip==2 ) then
if ( na/=0 ) then
call passb2(idot,l1,Ch,c,Wa(iw))
else
call passb2(idot,l1,c,Ch,Wa(iw))
endif
na = 1 - na
elseif ( ip==3 ) then
ix2 = iw + idot
if ( na/=0 ) then
call passb3(idot,l1,Ch,c,Wa(iw),Wa(ix2))
else
call passb3(idot,l1,c,Ch,Wa(iw),Wa(ix2))
endif
na = 1 - na
elseif ( ip/=5 ) then
if ( na/=0 ) then
call passb(nac,idot,ip,l1,idl1,Ch,Ch,Ch,c,c,Wa(iw))
else
call passb(nac,idot,ip,l1,idl1,c,c,c,Ch,Ch,Wa(iw))
endif
if ( nac/=0 ) na = 1 - na
else
ix2 = iw + idot
ix3 = ix2 + idot
ix4 = ix3 + idot
if ( na/=0 ) then
call passb5(idot,l1,Ch,c,Wa(iw),Wa(ix2),Wa(ix3),Wa(ix4))
else
call passb5(idot,l1,c,Ch,Wa(iw),Wa(ix2),Wa(ix3),Wa(ix4))
endif
na = 1 - na
endif
l1 = l2
iw = iw + (ip-1)*idot
enddo
if ( na==0 ) return
n2 = n + n
do i = 1 , n2
c(i) = Ch(i)
enddo
end subroutine cfftb1
ix2 = iw + idot
ix3 = ix2 + idot
ix4 = ix3 + idot
if (na /= 0) then
call passb5(idot, l1, ch, c, wa(iw), wa(ix2), wa(ix3), wa(ix4))
else
call passb5(idot, l1, c, ch, wa(iw), wa(ix2), wa(ix3), wa(ix4))
end if
na = 1 - na
end if
l1 = l2
iw = iw + (ip - 1)*idot
end do
if (na == 0) return
n2 = n + n
do i = 1, n2
c(i) = ch(i)
end do
end subroutine cfftb1
135 changes: 68 additions & 67 deletions src/cfftf1.f90
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Original file line number Diff line number Diff line change
@@ -1,68 +1,69 @@
subroutine cfftf1(n,c,Ch,Wa,Ifac)
use fftpack_kind
implicit none
real(rk) :: c , Ch , Wa
integer :: i , idl1 , ido , idot , Ifac , ip , iw , ix2 , ix3 , ix4, &
k1 , l1 , l2 , n , n2 , na , nac , nf
dimension Ch(*) , c(*) , Wa(*) , Ifac(*)
nf = Ifac(2)
na = 0
l1 = 1
iw = 1
do k1 = 1 , nf
ip = Ifac(k1+2)
l2 = ip*l1
ido = n/l2
idot = ido + ido
idl1 = idot*l1
if ( ip==4 ) then
ix2 = iw + idot
ix3 = ix2 + idot
if ( na/=0 ) then
call passf4(idot,l1,Ch,c,Wa(iw),Wa(ix2),Wa(ix3))
subroutine cfftf1(n, c, ch, wa, ifac)
use fftpack_kind, only: dp => rk
implicit none
integer, intent(in) :: n, ifac(*)
real(dp), intent(inout) :: c(*), ch(*)
real(dp), intent(in) :: wa(*)
integer :: i, idl1, ido, idot, ip, iw, ix2, ix3, ix4, &
k1, l1, l2, n2, na, nac, nf
nf = ifac(2)
na = 0
l1 = 1
iw = 1
do k1 = 1, nf
ip = ifac(k1 + 2)
l2 = ip*l1
ido = n/l2
idot = ido + ido
idl1 = idot*l1
if (ip == 4) then
ix2 = iw + idot
ix3 = ix2 + idot
if (na /= 0) then
call passf4(idot, l1, ch, c, wa(iw), wa(ix2), wa(ix3))
else
call passf4(idot, l1, c, ch, wa(iw), wa(ix2), wa(ix3))
end if
na = 1 - na
elseif (ip == 2) then
if (na /= 0) then
call passf2(idot, l1, ch, c, wa(iw))
else
call passf2(idot, l1, c, ch, wa(iw))
end if
na = 1 - na
elseif (ip == 3) then
ix2 = iw + idot
if (na /= 0) then
call passf3(idot, l1, ch, c, wa(iw), wa(ix2))
else
call passf3(idot, l1, c, ch, wa(iw), wa(ix2))
end if
na = 1 - na
elseif (ip /= 5) then
if (na /= 0) then
call passf(nac, idot, ip, l1, idl1, ch, ch, ch, c, c, wa(iw))
else
call passf(nac, idot, ip, l1, idl1, c, c, c, ch, ch, wa(iw))
end if
if (nac /= 0) na = 1 - na
else
call passf4(idot,l1,c,Ch,Wa(iw),Wa(ix2),Wa(ix3))
endif
na = 1 - na
elseif ( ip==2 ) then
if ( na/=0 ) then
call passf2(idot,l1,Ch,c,Wa(iw))
else
call passf2(idot,l1,c,Ch,Wa(iw))
endif
na = 1 - na
elseif ( ip==3 ) then
ix2 = iw + idot
if ( na/=0 ) then
call passf3(idot,l1,Ch,c,Wa(iw),Wa(ix2))
else
call passf3(idot,l1,c,Ch,Wa(iw),Wa(ix2))
endif
na = 1 - na
elseif ( ip/=5 ) then
if ( na/=0 ) then
call passf(nac,idot,ip,l1,idl1,Ch,Ch,Ch,c,c,Wa(iw))
else
call passf(nac,idot,ip,l1,idl1,c,c,c,Ch,Ch,Wa(iw))
endif
if ( nac/=0 ) na = 1 - na
else
ix2 = iw + idot
ix3 = ix2 + idot
ix4 = ix3 + idot
if ( na/=0 ) then
call passf5(idot,l1,Ch,c,Wa(iw),Wa(ix2),Wa(ix3),Wa(ix4))
else
call passf5(idot,l1,c,Ch,Wa(iw),Wa(ix2),Wa(ix3),Wa(ix4))
endif
na = 1 - na
endif
l1 = l2
iw = iw + (ip-1)*idot
enddo
if ( na==0 ) return
n2 = n + n
do i = 1 , n2
c(i) = Ch(i)
enddo
end subroutine cfftf1
ix2 = iw + idot
ix3 = ix2 + idot
ix4 = ix3 + idot
if (na /= 0) then
call passf5(idot, l1, ch, c, wa(iw), wa(ix2), wa(ix3), wa(ix4))
else
call passf5(idot, l1, c, ch, wa(iw), wa(ix2), wa(ix3), wa(ix4))
end if
na = 1 - na
end if
l1 = l2
iw = iw + (ip - 1)*idot
end do
if (na == 0) return
n2 = n + n
do i = 1, n2
c(i) = ch(i)
end do
end subroutine cfftf1
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