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/*@@
@file AHFinder_find3.F
@date March 1999
@author Lars Nerger
@desc
Muliplicate gridfunctions for final grid function
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
! To output single gridfunctions when searching for 3 horizons
! the gridfunctions are here multiplied. The result of this is
! that the functions ahfgrid3 and ahf_exp3 will have zeroes at
! the location of all 3 horizons.
subroutine AHFinder_find3(CCTK_ARGUMENTS,mtype)
use AHFinder_dat
implicit none
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
integer mtype
CCTK_REAL one
! Description of variables
!
! mtype Type of surface: see AHFinder.F
! **********************
! *** DEFINE one ***
! **********************
one = 1.0D0
! *************************
! *** START ROUTINE ***
! *************************
! For first outer horizon initialize {ahfgrid3,ahf_exp3}.
if ( mfind .eq. 1) then
if ( mtype .eq. 1 ) then
ahfgrid3 = ahfgrid
ahf_exp3 = ahf_exp
else
! If we did not find an outer horizon, make {ahfgrid3,ahf_exp3}
! equal to one.
ahfgrid3 = one
ahf_exp3 = one
end if
! For second and third horizons, if we found an outer
! horizon multiply the old values of {ahfgrid3,ahf_exp3}
! with the new {ahfgrid3,ahf_exp3}.
else if (mtype.eq.1) then
ahfgrid3 = ahfgrid*ahfgrid3
ahf_exp3 = ahf_exp*ahf_exp3
end if
! ***************
! *** END ***
! ***************
end subroutine AHFinder_find3
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