diff options
Diffstat (limited to 'src/Coefficients_2_1.F90')
| -rw-r--r-- | src/Coefficients_2_1.F90 | 89 |
1 files changed, 82 insertions, 7 deletions
diff --git a/src/Coefficients_2_1.F90 b/src/Coefficients_2_1.F90 index f8fe61e..35b261b 100644 --- a/src/Coefficients_2_1.F90 +++ b/src/Coefficients_2_1.F90 @@ -4,13 +4,13 @@ subroutine set_coeff_2_1 ( nsize, loc_order, bb, gsize, imin, imax, dd ) + use All_Coeffs_mod + implicit none DECLARE_CCTK_FUNCTIONS DECLARE_CCTK_PARAMETERS - CCTK_REAL, parameter :: zero = 0.0 - integer, parameter :: wp = kind(zero) CCTK_INT, intent(IN) :: nsize, loc_order CCTK_INT, dimension(2), intent(IN) :: bb CCTK_INT, intent(IN) :: gsize @@ -25,16 +25,13 @@ subroutine set_coeff_2_1 ( nsize, loc_order, bb, gsize, imin, imax, dd ) logical, save :: first = .true. if ( first ) then - a(1) = 1.0_wp/2.0_wp - - q(1,1) = -1.0_wp; q(2,1) = 1.0_wp; q(3,1) = zero - q(1,2) = -1.0_wp/2.0_wp; q(2,2) = zero; q(3,2) = 1.0_wp/2.0_wp + call coeffs_1_2_1 ( a, q ) first = .false. end if dd = zero imin = 0 - imax = -1 + imax = 0 if ( bb(1) == 0 ) then il = 1 + gsize @@ -60,3 +57,81 @@ subroutine set_coeff_2_1 ( nsize, loc_order, bb, gsize, imin, imax, dd ) end do end subroutine set_coeff_2_1 + +subroutine set_coeff_up_2_1 ( nsize, dir, loc_order, bb, gsize, imin, imax, dd ) + + use All_Coeffs_mod + + implicit none + + DECLARE_CCTK_FUNCTIONS + DECLARE_CCTK_PARAMETERS + + CCTK_INT, intent(IN) :: nsize, dir, loc_order + CCTK_INT, dimension(2), intent(IN) :: bb + CCTK_INT, intent(IN) :: gsize + CCTK_INT, dimension(nsize), intent(OUT) :: imin, imax + CCTK_REAL, dimension(nsize,nsize), intent(OUT) :: dd + + CCTK_REAL, dimension(-1:1), save :: a1, a2 + CCTK_REAL, dimension(3,2), save :: q1, q2 + + CCTK_INT :: i, il, ir + + logical, save :: first = .true. + + if ( .not. ( dir == -1 .or. dir == 1 ) ) then + call CCTK_WARN(0, 'Internal error: set_coeff_up_2_1 called with invalid dir value') + end if + + if ( first ) then + call coeffs_up_2_1 ( a1, q1, a2, q2 ) + first = .false. + end if + + dd = zero + imin = 0 + imax = 0 + + if ( bb(1) == 0 ) then + il = 1 + gsize + else + if ( dir == -1 ) then + dd(1,1) = q1(1,1); dd(2,1) = q1(2,1) + imin(1) = 1; imax(1) = 2 + dd(1,2) = q1(1,2); dd(2,2) = q1(2,2) + imin(2) = 1; imax(2) = 2 + else + dd(1,1) = q2(1,1); dd(2,1) = q2(2,1) + imin(1) = 1; imax(1) = 2 + dd(2,2) = q2(2,2); dd(3,2) = q2(3,2) + imin(2) = 2; imax(2) = 3 + end if + il = 3 + end if + if ( bb(2) == 0 ) then + ir = nsize - gsize + else + if ( dir == -1 ) then + dd(nsize-2,nsize-1) = -q2(3,2); dd(nsize-1,nsize-1) = -q2(2,2) + imin(nsize-1) = nsize-2; imax(nsize-1) = nsize-1 + dd(nsize-1,nsize) = -q2(2,1); dd(nsize,nsize) = -q2(1,1) + imin(nsize) = nsize-1; imax(nsize) = nsize + else + dd(nsize-1,nsize-1) = -q1(2,2); dd(nsize,nsize-1) = -q1(1,2) + imin(nsize-1) = nsize-1; imax(nsize-1) = nsize + dd(nsize-1,nsize) = -q1(2,1); dd(nsize,nsize) = -q1(1,1) + imin(nsize) = nsize-1; imax(nsize) = nsize + end if + ir = nsize - 2 + end if + do i = il, ir + if ( dir == -1 ) then + dd(i-1:i,i) = a1(-1:0) + imin(i) = i-1; imax(i) = i + else + dd(i:i+1,i) = a2(0:1) + imin(i) = i; imax(i) = i+1 + end if + end do +end subroutine set_coeff_up_2_1 |