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c -*-Fortran-*-
c $Header:$
#include "cctk.h"
#include "cctk_Parameters.h"
subroutine prolongate_3d_real8_rf2 (
$ src, srciext, srcjext, srckext,
$ dst, dstiext, dstjext, dstkext,
$ srcbbox, dstbbox, regbbox)
implicit none
DECLARE_CCTK_PARAMETERS
CCTK_REAL8 one, half, fourth, eighth
parameter (one = 1)
parameter (half = one/2)
parameter (fourth = one/4)
parameter (eighth = one/8)
integer srciext, srcjext, srckext
CCTK_REAL8 src(srciext,srcjext,srckext)
integer dstiext, dstjext, dstkext
CCTK_REAL8 dst(dstiext,dstjext,dstkext)
c bbox(:,1) is lower boundary (inclusive)
c bbox(:,2) is upper boundary (inclusive)
c bbox(:,3) is stride
integer srcbbox(3,3), dstbbox(3,3), regbbox(3,3)
integer regiext, regjext, regkext
integer srcioff, srcjoff, srckoff
integer dstioff, dstjoff, dstkoff
integer i0, j0, k0
integer fi, fj, fk
integer is, js, ks
integer id, jd, kd
integer i, j, k
integer d
do d=1,3
if (srcbbox(d,3).eq.0 .or. dstbbox(d,3).eq.0
$ .or. regbbox(d,3).eq.0) then
call CCTK_WARN (0, "Internal error: stride is zero")
end if
if (srcbbox(d,3).le.regbbox(d,3)
$ .or. dstbbox(d,3).ne.regbbox(d,3)) then
call CCTK_WARN (0, "Internal error: strides disagree")
end if
if (srcbbox(d,3).ne.dstbbox(d,3)*2) then
call CCTK_WARN (0, "Internal error: source strides are not twice the destination strides")
end if
if (mod(srcbbox(d,1), srcbbox(d,3)).ne.0
$ .or. mod(dstbbox(d,1), dstbbox(d,3)).ne.0
$ .or. mod(regbbox(d,1), regbbox(d,3)).ne.0) then
call CCTK_WARN (0, "Internal error: array origins are not integer multiples of the strides")
end if
if (regbbox(d,1).gt.regbbox(d,2)) then
c This could be handled, but is likely to point to an error elsewhere
call CCTK_WARN (0, "Internal error: region extent is empty")
end if
if (mod(srcbbox(d,2) - srcbbox(d,1), srcbbox(d,3)).ne.0
$ .or. mod(dstbbox(d,2) - dstbbox(d,1), dstbbox(d,3)).ne.0
$ .or. mod(regbbox(d,2) - regbbox(d,1), regbbox(d,3)).ne.0) then
call CCTK_WARN (0, "Internal error: array extents are not integer multiples of the strides")
end if
if (regbbox(d,1).lt.srcbbox(d,1)
$ .or. regbbox(d,1).lt.dstbbox(d,1)
$ .or. regbbox(d,2).gt.srcbbox(d,2)
$ .or. regbbox(d,2).gt.dstbbox(d,2)) then
call CCTK_WARN (0, "Internal error: region extent is not contained in array extent")
end if
end do
if (srciext.ne.(srcbbox(1,2)-srcbbox(1,1))/srcbbox(1,3)+1
$ .or. srcjext.ne.(srcbbox(2,2)-srcbbox(2,1))/srcbbox(2,3)+1
$ .or. srckext.ne.(srcbbox(3,2)-srcbbox(3,1))/srcbbox(3,3)+1
$ .or. dstiext.ne.(dstbbox(1,2)-dstbbox(1,1))/dstbbox(1,3)+1
$ .or. dstjext.ne.(dstbbox(2,2)-dstbbox(2,1))/dstbbox(2,3)+1
$ .or. dstkext.ne.(dstbbox(3,2)-dstbbox(3,1))/dstbbox(3,3)+1) then
call CCTK_WARN (0, "Internal error: array sizes don't agree with bounding boxes")
end if
regiext = (regbbox(1,2) - regbbox(1,1)) / regbbox(1,3) + 1
regjext = (regbbox(2,2) - regbbox(2,1)) / regbbox(2,3) + 1
regkext = (regbbox(3,2) - regbbox(3,1)) / regbbox(3,3) + 1
srcioff = (regbbox(1,1) - srcbbox(1,1)) / dstbbox(1,3)
srcjoff = (regbbox(2,1) - srcbbox(2,1)) / dstbbox(2,3)
srckoff = (regbbox(3,1) - srcbbox(3,1)) / dstbbox(3,3)
dstioff = (regbbox(1,1) - dstbbox(1,1)) / dstbbox(1,3)
dstjoff = (regbbox(2,1) - dstbbox(2,1)) / dstbbox(2,3)
dstkoff = (regbbox(3,1) - dstbbox(3,1)) / dstbbox(3,3)
fi = mod(srcioff, 2)
fj = mod(srcjoff, 2)
fk = mod(srckoff, 2)
i0 = srcioff / 2
j0 = srcjoff / 2
k0 = srckoff / 2
c Loop over fine region
c Label scheme: 8 fk fj fi
c begin k loop
8 continue
k = 0
ks = k0+1
kd = dstkoff+1
if (fk.eq.0) goto 80
if (fk.eq.1) goto 81
stop
c begin j loop
80 continue
j = 0
js = j0+1
jd = dstjoff+1
if (fj.eq.0) goto 800
if (fj.eq.1) goto 801
stop
c begin i loop
800 continue
i = 0
is = i0+1
id = dstioff+1
if (fi.eq.0) goto 8000
if (fi.eq.1) goto 8001
stop
c kernel
8000 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 1,1,1, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) = src(is,js,ks)
i = i+1
id = id+1
if (i.lt.regiext) goto 8001
goto 900
c kernel
8001 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 2,1,1, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) = half * src(is,js,ks) + half * src(is+1,js,ks)
i = i+1
id = id+1
is = is+1
if (i.lt.regiext) goto 8000
goto 900
c end i loop
900 continue
j = j+1
jd = jd+1
if (j.lt.regjext) goto 801
goto 90
c begin i loop
801 continue
i = 0
is = i0+1
id = dstioff+1
if (fi.eq.0) goto 8010
if (fi.eq.1) goto 8011
stop
c kernel
8010 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 1,2,1, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) = half * src(is,js,ks) + half * src(is,js+1,ks)
i = i+1
id = id+1
if (i.lt.regiext) goto 8011
goto 901
c kernel
8011 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 2,2,1, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) =
$ + fourth * src(is,js,ks) + fourth * src(is+1,js,ks)
$ + fourth * src(is,js+1,ks) + fourth * src(is+1,js+1,ks)
i = i+1
id = id+1
is = is+1
if (i.lt.regiext) goto 8010
goto 901
c end i loop
901 continue
j = j+1
jd = jd+1
js = js+1
if (j.lt.regjext) goto 800
goto 90
c end j loop
90 continue
k = k+1
kd = kd+1
if (k.lt.regkext) goto 81
goto 9
c begin j loop
81 continue
j = 0
js = j0+1
jd = dstjoff+1
if (fj.eq.0) goto 810
if (fj.eq.1) goto 811
stop
c begin i loop
810 continue
i = 0
is = i0+1
id = dstioff+1
if (fi.eq.0) goto 8100
if (fi.eq.1) goto 8101
stop
c kernel
8100 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 1,1,2, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) = half * src(is,js,ks) + half * src(is,js,ks+1)
i = i+1
id = id+1
if (i.lt.regiext) goto 8101
goto 910
c kernel
8101 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 2,1,2, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) =
$ + fourth * src(is,js,ks) + fourth * src(is+1,js,ks)
$ + fourth * src(is,js,ks+1) + fourth * src(is+1,js,ks+1)
i = i+1
id = id+1
is = is+1
if (i.lt.regiext) goto 8100
goto 910
c end i loop
910 continue
j = j+1
jd = jd+1
if (j.lt.regjext) goto 811
goto 91
c begin i loop
811 continue
i = 0
is = i0+1
id = dstioff+1
if (fi.eq.0) goto 8110
if (fi.eq.1) goto 8111
stop
c kernel
8110 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 1,2,2, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) =
$ + fourth * src(is,js,ks) + fourth * src(is,js+1,ks)
$ + fourth * src(is,js,ks+1) + fourth * src(is,js+1,ks+1)
i = i+1
id = id+1
if (i.lt.regiext) goto 8111
goto 911
c kernel
8111 continue
if (check_array_accesses.ne.0) then
call checkindex (is,js,ks, 2,2,2, srciext,srcjext,srckext, "source")
call checkindex (id,jd,kd, 1,1,1, dstiext,dstjext,dstkext, "destination")
end if
dst(id,jd,kd) =
$ + eighth * src(is,js,ks) + eighth * src(is+1,js,ks)
$ + eighth * src(is,js+1,ks) + eighth * src(is+1,js+1,ks)
$ + eighth * src(is,js,ks+1) + eighth * src(is+1,js,ks+1)
$ + eighth * src(is,js+1,ks+1) + eighth * src(is+1,js+1,ks+1)
i = i+1
id = id+1
is = is+1
if (i.lt.regiext) goto 8110
goto 911
c end i loop
911 continue
j = j+1
jd = jd+1
js = js+1
if (j.lt.regjext) goto 810
goto 91
c end j loop
91 continue
k = k+1
kd = kd+1
ks = ks+1
if (k.lt.regkext) goto 80
goto 9
c end k loop
9 continue
end
|
