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amg4psblas/examples/pdegen/mld_dpde_mod.f90

61 lines
1.5 KiB
Fortran

module mld_d_pde_mod
contains
!
! functions parametrizing the differential equation
!
function b1(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: b1
real(psb_dpk_), intent(in) :: x,y,z
b1=dzero
end function b1
function b2(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: b2
real(psb_dpk_), intent(in) :: x,y,z
b2=dzero
end function b2
function b3(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: b3
real(psb_dpk_), intent(in) :: x,y,z
b3=dzero
end function b3
function c(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: c
real(psb_dpk_), intent(in) :: x,y,z
c=dzero
end function c
function a1(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: a1
real(psb_dpk_), intent(in) :: x,y,z
a1=done
end function a1
function a2(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: a2
real(psb_dpk_), intent(in) :: x,y,z
a2=done
end function a2
function a3(x,y,z)
use psb_base_mod, only : psb_dpk_, done
real(psb_dpk_) :: a3
real(psb_dpk_), intent(in) :: x,y,z
a3=done
end function a3
function g(x,y,z)
use psb_base_mod, only : psb_dpk_, done, dzero
real(psb_dpk_) :: g
real(psb_dpk_), intent(in) :: x,y,z
g = dzero
if (x == done) then
g = done
else if (x == dzero) then
g = exp(y**2-z**2)
end if
end function g
end module mld_d_pde_mod