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c -*-Fortran-*-
c $Header: /home/eschnett/C/carpet/Carpet/Carpet/CarpetLib/src/prolongate_3d_real8_3tl_rf2.F77,v 1.3 2004/03/11 12:03:09 schnetter Exp $
#include "cctk.h"
#include "cctk_Parameters.h"
subroutine prolongate_3d_real8_3tl_rf2 (
$ src1, t1, src2, t2, src3, t3, srciext, srcjext, srckext,
$ dst, t, dstiext, dstjext, dstkext,
$ srcbbox, dstbbox, regbbox)
implicit none
DECLARE_CCTK_PARAMETERS
CCTK_REAL8 eps
parameter (eps = 1.0d-10)
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 src1(srciext,srcjext,srckext)
CCTK_REAL8 t1
CCTK_REAL8 src2(srciext,srcjext,srckext)
CCTK_REAL8 t2
CCTK_REAL8 src3(srciext,srcjext,srckext)
CCTK_REAL8 t3
integer dstiext, dstjext, dstkext
CCTK_REAL8 dst(dstiext,dstjext,dstkext)
CCTK_REAL8 t
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
CCTK_REAL8 s1fac, s2fac, s3fac
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)
c Quadratic (second order) time interpolation
if (t1.eq.t2 .or. t1.eq.t3 .or. t2.eq.t3) then
call CCTK_WARN (0, "Internal error: arrays have same time")
end if
if (t.lt.min(t1,t2,t3)-eps .or. t.gt.max(t1,t2,t3)+eps) then
call CCTK_WARN (0, "Internal error: extrapolation in time")
end if
s1fac = (t - t2) * (t - t3) / ((t1 - t2) * (t1 - t3))
s2fac = (t - t1) * (t - t3) / ((t2 - t1) * (t2 - t3))
s3fac = (t - t1) * (t - t2) / ((t3 - t1) * (t3 - t2))
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) =
$ + s1fac * src1(is,js,ks)
$ + s2fac * src2(is,js,ks)
$ + s3fac * src3(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 * s1fac * src1(is,js,ks) + half * s1fac * src1(is+1,js,ks)
$ + half * s2fac * src2(is,js,ks) + half * s2fac * src2(is+1,js,ks)
$ + half * s3fac * src3(is,js,ks) + half * s3fac * src3(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 * s1fac * src1(is,js,ks) + half * s1fac * src1(is,js+1,ks)
$ + half * s2fac * src2(is,js,ks) + half * s2fac * src2(is,js+1,ks)
$ + half * s3fac * src3(is,js,ks) + half * s3fac * src3(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 * s1fac * src1(is,js,ks)
$ + fourth * s1fac * src1(is+1,js,ks)
$ + fourth * s1fac * src1(is,js+1,ks)
$ + fourth * s1fac * src1(is+1,js+1,ks)
$ + fourth * s2fac * src2(is,js,ks)
$ + fourth * s2fac * src2(is+1,js,ks)
$ + fourth * s2fac * src2(is,js+1,ks)
$ + fourth * s2fac * src2(is+1,js+1,ks)
$ + fourth * s3fac * src3(is,js,ks)
$ + fourth * s3fac * src3(is+1,js,ks)
$ + fourth * s3fac * src3(is,js+1,ks)
$ + fourth * s3fac * src3(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 * s1fac * src1(is,js,ks) + half * s1fac * src1(is,js,ks+1)
$ + half * s2fac * src2(is,js,ks) + half * s2fac * src2(is,js,ks+1)
$ + half * s3fac * src3(is,js,ks) + half * s3fac * src3(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 * s1fac * src1(is,js,ks)
$ + fourth * s1fac * src1(is+1,js,ks)
$ + fourth * s1fac * src1(is,js,ks+1)
$ + fourth * s1fac * src1(is+1,js,ks+1)
$ + fourth * s2fac * src1(is,js,ks)
$ + fourth * s2fac * src2(is+1,js,ks)
$ + fourth * s2fac * src2(is,js,ks+1)
$ + fourth * s2fac * src2(is+1,js,ks+1)
$ + fourth * s3fac * src3(is,js,ks)
$ + fourth * s3fac * src3(is+1,js,ks)
$ + fourth * s3fac * src3(is,js,ks+1)
$ + fourth * s3fac * src3(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 * s1fac * src1(is,js,ks)
$ + fourth * s1fac * src1(is,js+1,ks)
$ + fourth * s1fac * src1(is,js,ks+1)
$ + fourth * s1fac * src1(is,js+1,ks+1)
$ + fourth * s2fac * src2(is,js,ks)
$ + fourth * s2fac * src2(is,js+1,ks)
$ + fourth * s2fac * src2(is,js,ks+1)
$ + fourth * s2fac * src2(is,js+1,ks+1)
$ + fourth * s3fac * src3(is,js,ks)
$ + fourth * s3fac * src3(is,js+1,ks)
$ + fourth * s3fac * src3(is,js,ks+1)
$ + fourth * s3fac * src3(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 * s1fac * src1(is,js,ks)
$ + eighth * s1fac * src1(is+1,js,ks)
$ + eighth * s1fac * src1(is,js+1,ks)
$ + eighth * s1fac * src1(is+1,js+1,ks)
$ + eighth * s1fac * src1(is,js,ks+1)
$ + eighth * s1fac * src1(is+1,js,ks+1)
$ + eighth * s1fac * src1(is,js+1,ks+1)
$ + eighth * s1fac * src1(is+1,js+1,ks+1)
$
$ + eighth * s2fac * src2(is,js,ks)
$ + eighth * s2fac * src2(is+1,js,ks)
$ + eighth * s2fac * src2(is,js+1,ks)
$ + eighth * s2fac * src2(is+1,js+1,ks)
$ + eighth * s2fac * src2(is,js,ks+1)
$ + eighth * s2fac * src2(is+1,js,ks+1)
$ + eighth * s2fac * src2(is,js+1,ks+1)
$ + eighth * s2fac * src2(is+1,js+1,ks+1)
$
$ + eighth * s3fac * src3(is,js,ks)
$ + eighth * s3fac * src3(is+1,js,ks)
$ + eighth * s3fac * src3(is,js+1,ks)
$ + eighth * s3fac * src3(is+1,js+1,ks)
$ + eighth * s3fac * src3(is,js,ks+1)
$ + eighth * s3fac * src3(is+1,js,ks+1)
$ + eighth * s3fac * src3(is,js+1,ks+1)
$ + eighth * s3fac * src3(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
|
