diff options
Diffstat (limited to 'src/Coefficients_4_2.F90')
| -rw-r--r-- | src/Coefficients_4_2.F90 | 127 |
1 files changed, 110 insertions, 17 deletions
diff --git a/src/Coefficients_4_2.F90 b/src/Coefficients_4_2.F90 index 778da65..0d0c49a 100644 --- a/src/Coefficients_4_2.F90 +++ b/src/Coefficients_4_2.F90 @@ -4,13 +4,13 @@ subroutine set_coeff_4_2 ( 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 @@ -25,26 +25,13 @@ subroutine set_coeff_4_2 ( nsize, loc_order, bb, gsize, imin, imax, dd ) logical, save :: first = .true. if ( first ) then - a(1) = 2.0_wp/3.0_wp; a(2) = -1.0_wp/12.0_wp - - q(1,1) = -24.0_wp/17.0_wp; q(2,1) = 59.0_wp/34.0_wp - q(3,1) = -4.0_wp/17.0_wp; q(4,1) = -3.0_wp/34.0_wp - q(5,1) = zero; q(6,1) = zero - q(1,2) = -1.0_wp/2.0_wp; q(2,2) = zero - q(3,2) = 1.0_wp/2.0_wp; q(4,2) = zero - q(5,2) = zero; q(6,2) = zero - q(1,3) = 4.0_wp/43.0_wp; q(2,3) = -59.0_wp/86.0_wp - q(3,3) = zero; q(4,3) = 59.0_wp/86.0_wp - q(5,3) = -4.0_wp/43.0_wp; q(6,3) = zero - q(1,4) = 3.0_wp/98.0_wp; q(2,4) = zero - q(3,4) = -59.0_wp/98.0_wp; q(4,4) = zero - q(5,4) = 32.0_wp/49.0_wp; q(6,4) = -4.0_wp/49.0_wp + call coeffs_1_4_2 ( a, q ) first = .false. end if dd = zero imin = 0 - imax = -1 + imax = 0 if ( bb(1) == 0 ) then il = 1 + gsize @@ -84,3 +71,109 @@ subroutine set_coeff_4_2 ( nsize, loc_order, bb, gsize, imin, imax, dd ) imin(i) = i-2; imax(i) = i+2 end do end subroutine set_coeff_4_2 + +subroutine set_coeff_up_4_2 ( 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(-2:2), save :: a1, a2 + CCTK_REAL, dimension(6,4), 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_4_2 called with invalid dir value') + end if + + if ( first ) then + call coeffs_up_4_2 ( 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(1:4,1) = q1(1:4,1) + imin(1) = 1; imax(1) = 4 + + dd(1:4,2) = q1(1:4,2) + imin(2) = 1; imax(2) = 4 + + dd(1:4,3) = q1(1:4,3) + imin(3) = 1; imax(3) = 4 + + dd(1:5,4) = q1(1:5,4) + imin(4) = 1; imax(4) = 5 + else + dd(1:4,1) = q2(1:4,1) + imin(1) = 1; imax(1) = 4 + + dd(1:4,2) = q2(1:4,2) + imin(2) = 1; imax(2) = 4 + + dd(2:5,3) = q2(2:5,3) + imin(3) = 2; imax(3) = 5 + + dd(1:6,4) = q2(1:6,4) + imin(4) = 1; imax(4) = 6 + end if + il = 5 + end if + if ( bb(2) == 0 ) then + ir = nsize - gsize + else + if ( dir == -1 ) then + dd(nsize-5:nsize,nsize-3) = -q2(6:1:-1,4) + imin(nsize-3) = nsize-5; imax(nsize-3) = nsize + + dd(nsize-4:nsize-1,nsize-2) = -q2(5:2:-1,3) + imin(nsize-2) = nsize-4; imax(nsize-2) = nsize-1 + + dd(nsize-3:nsize,nsize-1) = -q2(4:1:-1,2) + imin(nsize-1) = nsize-3; imax(nsize-1) = nsize + + dd(nsize-3:nsize,nsize) = -q2(4:1:-1,1) + imin(nsize) = nsize-3; imax(nsize) = nsize + else + dd(nsize-4:nsize,nsize-3) = -q1(5:1:-1,4) + imin(nsize-3) = nsize-4; imax(nsize-3) = nsize + + dd(nsize-3:nsize,nsize-2) = -q1(4:1:-1,3) + imin(nsize-2) = nsize-3; imax(nsize-2) = nsize + + dd(nsize-3:nsize,nsize-1) = -q1(4:1:-1,2) + imin(nsize-1) = nsize-3; imax(nsize-1) = nsize + + dd(nsize-3:nsize,nsize) = -q1(4:1:-1,1) + imin(nsize) = nsize-3; imax(nsize) = nsize + end if + ir = nsize - 4 + end if + do i = il, ir + if ( dir == -1 ) then + dd(i-2:i+1,i) = a1(-2:1) + imin(i) = i-2; imax(i) = i+1 + else + dd(i-1:i+2,i) = a2(-1:2) + imin(i) = i-1; imax(i) = i+2 + end if + end do +end subroutine set_coeff_up_4_2 |