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elpa
elpa
Commits
fa68dca7
Commit
fa68dca7
authored
Jul 18, 2017
by
Andreas Marek
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Make some functions "includable"
parent
8bdbf3fd
Changes
4
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4 changed files
with
61 additions
and
55 deletions
+61
-55
Makefile.am
Makefile.am
+2
-0
src/general/elpa_utilities.F90
src/general/elpa_utilities.F90
+2
-55
src/general/map_global_to_local.X90
src/general/map_global_to_local.X90
+39
-0
src/general/prow_pcol.X90
src/general/prow_pcol.X90
+18
-0
No files found.
Makefile.am
View file @
fa68dca7
...
...
@@ -576,6 +576,8 @@ EXTRA_DIST = \
manual_cpp
\
test
/Fortran/elpa_print_headers.X90
\
test
/Fortran/assert.h
\
src/general/prow_pcol.X90
\
src/general/map_global_to_local.X90
\
src/elpa1/elpa_reduce_add_vectors.X90
\
src/elpa1/elpa_transpose_vectors.X90
\
src/elpa1/elpa1_compute_template.X90
\
...
...
src/general/elpa_utilities.F90
View file @
fa68dca7
...
...
@@ -73,64 +73,11 @@ module ELPA_utilities
!******
contains
!-------------------------------------------------------------------------------
!Processor col for global col number
pure
function
pcol
(
global_col
,
nblk
,
np_cols
)
result
(
local_col
)
implicit
none
integer
(
kind
=
c_int
),
intent
(
in
)
::
global_col
,
nblk
,
np_cols
integer
(
kind
=
c_int
)
::
local_col
local_col
=
MOD
((
global_col
-1
)/
nblk
,
np_cols
)
end
function
!-------------------------------------------------------------------------------
!Processor row for global row number
pure
function
prow
(
global_row
,
nblk
,
np_rows
)
result
(
local_row
)
implicit
none
integer
(
kind
=
c_int
),
intent
(
in
)
::
global_row
,
nblk
,
np_rows
integer
(
kind
=
c_int
)
::
local_row
local_row
=
MOD
((
global_row
-1
)/
nblk
,
np_rows
)
end
function
#include "prow_pcol.X90"
!-------------------------------------------------------------------------------
function
map_global_array_index_to_local_index
(
iGLobal
,
jGlobal
,
iLocal
,
jLocal
,
nblk
,
np_rows
,
np_cols
,
my_prow
,
my_pcol
)
&
result
(
possible
)
implicit
none
integer
(
kind
=
c_int
)
::
pi
,
pj
,
li
,
lj
,
xi
,
xj
integer
(
kind
=
c_int
),
intent
(
in
)
::
iGlobal
,
jGlobal
,
nblk
,
np_rows
,
np_cols
,
my_prow
,
my_pcol
integer
(
kind
=
c_int
),
intent
(
out
)
::
iLocal
,
jLocal
logical
::
possible
possible
=
.true.
iLocal
=
0
jLocal
=
0
pi
=
prow
(
iGlobal
,
nblk
,
np_rows
)
if
(
my_prow
.ne.
pi
)
then
possible
=
.false.
return
endif
pj
=
pcol
(
jGlobal
,
nblk
,
np_cols
)
if
(
my_pcol
.ne.
pj
)
then
possible
=
.false.
return
endif
li
=
(
iGlobal
-1
)/(
np_rows
*
nblk
)
! block number for rows
lj
=
(
jGlobal
-1
)/(
np_cols
*
nblk
)
! block number for columns
xi
=
mod
(
(
iGlobal
-1
),
nblk
)
+1
! offset in block li
xj
=
mod
(
(
jGlobal
-1
),
nblk
)
+1
! offset in block lj
iLocal
=
li
*
nblk
+
xi
jLocal
=
lj
*
nblk
+
xj
end
function
#include "map_global_to_local.X90"
integer
function
local_index
(
idx
,
my_proc
,
num_procs
,
nblk
,
iflag
)
...
...
src/general/map_global_to_local.X90
0 → 100644
View file @
fa68dca7
function map_global_array_index_to_local_index(iGLobal, jGlobal, iLocal, jLocal , nblk, np_rows, np_cols, my_prow, my_pcol) &
result(possible)
use iso_c_binding, only : c_int
implicit none
integer(kind=c_int) :: pi, pj, li, lj, xi, xj
integer(kind=c_int), intent(in) :: iGlobal, jGlobal, nblk, np_rows, np_cols, my_prow, my_pcol
integer(kind=c_int), intent(out) :: iLocal, jLocal
logical :: possible
possible = .true.
iLocal = 0
jLocal = 0
pi = prow(iGlobal, nblk, np_rows)
if (my_prow .ne. pi) then
possible = .false.
return
endif
pj = pcol(jGlobal, nblk, np_cols)
if (my_pcol .ne. pj) then
possible = .false.
return
endif
li = (iGlobal-1)/(np_rows*nblk) ! block number for rows
lj = (jGlobal-1)/(np_cols*nblk) ! block number for columns
xi = mod( (iGlobal-1),nblk)+1 ! offset in block li
xj = mod( (jGlobal-1),nblk)+1 ! offset in block lj
iLocal = li * nblk + xi
jLocal = lj * nblk + xj
end function
src/general/prow_pcol.X90
0 → 100644
View file @
fa68dca7
!Processor col for global col number
pure function pcol(global_col, nblk, np_cols) result(local_col)
use iso_c_binding, only : c_int
implicit none
integer(kind=c_int), intent(in) :: global_col, nblk, np_cols
integer(kind=c_int) :: local_col
local_col = MOD((global_col-1)/nblk,np_cols)
end function
!Processor row for global row number
pure function prow(global_row, nblk, np_rows) result(local_row)
use iso_c_binding, only : c_int
implicit none
integer(kind=c_int), intent(in) :: global_row, nblk, np_rows
integer(kind=c_int) :: local_row
local_row = MOD((global_row-1)/nblk,np_rows)
end function
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