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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-12-22 20:34:58 +01:00

Improving sort

This commit is contained in:
Anthony Scemama 2021-05-31 11:47:34 +02:00
parent 2c3a25e20a
commit 3837dea58c

View File

@ -320,6 +320,34 @@ END_TEMPLATE
IRP_ELSE
!---------------------- NON-INTEL
BEGIN_TEMPLATE
subroutine $Xsort_noidx(x,isize)
implicit none
BEGIN_DOC
! Sort array x(isize).
END_DOC
integer,intent(in) :: isize
$type,intent(inout) :: x(isize)
integer, allocatable :: iorder(:)
integer :: i
allocate(iorder(isize))
do i=1,isize
iorder(i)=i
enddo
call $Xsort(x,iorder,isize)
deallocate(iorder)
end subroutine $Xsort_noidx
SUBST [ X, type ]
; real ;;
d ; double precision ;;
i ; integer ;;
i8 ; integer*8 ;;
i2 ; integer*2 ;;
END_TEMPLATE
BEGIN_TEMPLATE
subroutine $Xsort(x,iorder,isize)
implicit none
BEGIN_DOC
@ -346,26 +374,39 @@ BEGIN_TEMPLATE
endif
end subroutine $Xsort
subroutine $Xsort_noidx(x,isize)
implicit none
BEGIN_DOC
! Sort array x(isize).
END_DOC
integer,intent(in) :: isize
$type,intent(inout) :: x(isize)
integer, allocatable :: iorder(:)
integer :: i
allocate(iorder(isize))
do i=1,isize
iorder(i)=i
enddo
call $Xsort(x,iorder,isize)
deallocate(iorder)
end subroutine $Xsort_noidx
SUBST [ X, type ]
; real ;;
d ; double precision ;;
END_TEMPLATE
BEGIN_TEMPLATE
subroutine $Xsort(x,iorder,isize)
implicit none
BEGIN_DOC
! Sort array x(isize).
! iorder in input should be (1,2,3,...,isize), and in output
! contains the new order of the elements.
END_DOC
integer,intent(in) :: isize
$type,intent(inout) :: x(isize)
integer,intent(inout) :: iorder(isize)
integer :: n
if (isize < 2) then
return
endif
call sorted_$Xnumber(x,isize,n)
if (isize == n) then
return
endif
if ( isize < 32) then
call insertion_$Xsort(x,iorder,isize)
else
call $Xradix_sort(x,iorder,isize,-1)
endif
end subroutine $Xsort
SUBST [ X, type ]
i ; integer ;;
i8 ; integer*8 ;;
i2 ; integer*2 ;;