diff options
| -rw-r--r-- | src/derivs.F90 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/derivs.F90 b/src/derivs.F90 index 2e509d2..95e0fe5 100644 --- a/src/derivs.F90 +++ b/src/derivs.F90 @@ -47,18 +47,18 @@ contains CCTK_REAL, intent(out) :: f(3,3,3) integer, intent(in) :: pos, off(3) CCTK_REAL, intent(in) :: dx(3) - f(1,1,1) = (- a(pos+2*off(1)) + 2*a(pos+off(1)) - 2*a(pos-off(1)) + a(pos-2*off(1))) / (2*dx(1)**3) + f(1,1,1) = (a(pos+2*off(1)) - 2*a(pos+off(1)) + 2*a(pos-off(1)) - a(pos-2*off(1))) / (2*dx(1)**3) f(2,1,1) = (a(pos+off(1)+off(2)) - 2*a(pos+off(2)) + a(pos-off(1)+off(2)) - a(pos+off(1)-off(2)) + 2*a(pos-off(2)) - a(pos-off(1)-off(2))) / (2*dx(1)*dx(1)*dx(2)) f(3,1,1) = (a(pos+off(1)+off(3)) - 2*a(pos+off(3)) + a(pos-off(1)+off(3)) - a(pos+off(1)-off(3)) + 2*a(pos-off(3)) - a(pos-off(1)-off(3))) / (2*dx(1)*dx(1)*dx(3)) f(1,2,1) = f(2,1,1) f(2,2,1) = (a(pos+off(1)+off(2)) - 2*a(pos+off(1)) + a(pos+off(1)-off(2)) - a(pos-off(1)+off(2)) + 2*a(pos-off(1)) - a(pos-off(1)-off(2))) / (2*dx(1)*dx(2)*dx(2)) - f(3,2,1) = (a(pos+off(1)+off(2)+off(3)) - a(pos-off(1)+off(2)+off(3)) - a(pos+off(1)-off(2)+off(3)) + a(pos-off(1)-off(2)+off(3)) - a(pos+off(1)+off(2)-off(3)) + a(pos-off(1)+off(2)-off(3)) + a(pos+off(1)-off(2)-off(3)) - a(pos-off(1)-off(2)-off(3))) * (8*dx(1)*dx(2)*dx(3)) + f(3,2,1) = (a(pos+off(1)+off(2)+off(3)) - a(pos-off(1)+off(2)+off(3)) - a(pos+off(1)-off(2)+off(3)) + a(pos-off(1)-off(2)+off(3)) - a(pos+off(1)+off(2)-off(3)) + a(pos-off(1)+off(2)-off(3)) + a(pos+off(1)-off(2)-off(3)) - a(pos-off(1)-off(2)-off(3))) / (8*dx(1)*dx(2)*dx(3)) f(1,3,1) = f(3,1,1) f(2,3,1) = f(3,2,1) f(3,3,1) = (a(pos+off(1)+off(3)) - 2*a(pos+off(1)) + a(pos+off(1)-off(3)) - a(pos-off(1)+off(3)) + 2*a(pos-off(1)) - a(pos-off(1)-off(3))) / (2*dx(1)*dx(3)*dx(3)) f(:,1,2) = f(:,2,1) f(1,2,2) = f(2,2,1) - f(2,2,2) = (- a(pos+2*off(2)) + 2*a(pos+off(2)) - 2*a(pos-off(2)) + a(pos-2*off(2))) / (2*dx(2)**3) + f(2,2,2) = (a(pos+2*off(2)) - 2*a(pos+off(2)) + 2*a(pos-off(2)) - a(pos-2*off(2))) / (2*dx(2)**3) f(3,2,2) = (a(pos+off(2)+off(3)) - 2*a(pos+off(3)) + a(pos-off(2)+off(3)) - a(pos+off(2)-off(3)) + 2*a(pos-off(3)) - a(pos-off(2)-off(3))) / (2*dx(2)*dx(2)*dx(3)) f(1,3,2) = f(3,1,2) f(2,3,2) = f(3,2,2) @@ -67,7 +67,7 @@ contains f(:,2,3) = f(:,3,2) f(1,3,3) = f(3,1,3) f(2,3,3) = f(3,2,3) - f(3,3,3) = (- a(pos+2*off(3)) + 2*a(pos+off(3)) - 2*a(pos-off(3)) + a(pos-2*off(3))) / (2*dx(3)**3) + f(3,3,3) = (a(pos+2*off(3)) - 2*a(pos+off(3)) + 2*a(pos-off(3)) - a(pos-2*off(3))) / (2*dx(3)**3) end subroutine get_derivs3 #ifndef TGR_INCLUDED end module derivs |