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61 lines
1.5 KiB
Fortran
61 lines
1.5 KiB
Fortran
module mld_s_pde_mod
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contains
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!
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! functions parametrizing the differential equation
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!
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function b1(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: b1
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real(psb_spk_), intent(in) :: x,y,z
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b1=szero
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end function b1
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function b2(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: b2
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real(psb_spk_), intent(in) :: x,y,z
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b2=szero
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end function b2
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function b3(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: b3
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real(psb_spk_), intent(in) :: x,y,z
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b3=szero
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end function b3
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function c(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: c
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real(psb_spk_), intent(in) :: x,y,z
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c=szero
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end function c
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function a1(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: a1
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real(psb_spk_), intent(in) :: x,y,z
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a1=sone
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end function a1
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function a2(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: a2
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real(psb_spk_), intent(in) :: x,y,z
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a2=sone
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end function a2
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function a3(x,y,z)
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use psb_base_mod, only : psb_spk_, sone
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real(psb_spk_) :: a3
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real(psb_spk_), intent(in) :: x,y,z
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a3=sone
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end function a3
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function g(x,y,z)
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use psb_base_mod, only : psb_spk_, sone, szero
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real(psb_spk_) :: g
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real(psb_spk_), intent(in) :: x,y,z
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g = szero
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if (x == sone) then
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g = sone
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else if (x == szero) then
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g = exp(y**2-z**2)
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end if
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end function g
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end module mld_s_pde_mod
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