Update sample/advanced/pdegeb

pull/4/merge
sfilippone 3 months ago
parent 244fcda207
commit 2e43f55455

@ -8,36 +8,37 @@ FINCLUDES=$(FMFLAG). $(FMFLAG)$(AMGMODDIR) $(FMFLAG)$(AMGINCDIR) $(PSBLAS_INCLUD
LINKOPT= LINKOPT=
EXEDIR=./runs EXEDIR=./runs
DGEN2D=amg_d_pde2d_poisson_mod.o amg_d_pde2d_const_mod.o amg_d_pde2d_exp_mod.o \ DGEN2D=amg_d_pde2d_poisson_mod.o amg_d_pde2d_exp_mod.o \
amg_d_pde2d_gauss_mod.o amg_d_pde2d_box_mod.o amg_d_pde2d_gauss_mod.o amg_d_pde2d_box_mod.o
DGEN3D=amg_d_pde3d_poisson_mod.o amg_d_pde3d_const_mod.o amg_d_pde3d_exp_mod.o \ DGEN3D=amg_d_pde3d_poisson_mod.o amg_d_pde3d_exp_mod.o \
amg_d_pde3d_gauss_mod.o amg_d_pde3d_box_mod.o amg_d_pde3d_gauss_mod.o amg_d_pde3d_box_mod.o
SGEN2D=amg_s_pde2d_poisson_mod.o amg_s_pde2d_const_mod.o amg_s_pde2d_exp_mod.o \ SGEN2D=amg_s_pde2d_poisson_mod.o amg_s_pde2d_exp_mod.o \
amg_s_pde2d_gauss_mod.o amg_s_pde2d_box_mod.o amg_s_pde2d_gauss_mod.o amg_s_pde2d_box_mod.o
SGEN3D=amg_s_pde3d_poisson_mod.o amg_s_pde3d_const_mod.o amg_s_pde3d_exp_mod.o \ SGEN3D=amg_s_pde3d_poisson_mod.o amg_s_pde3d_exp_mod.o \
amg_s_pde3d_gauss_mod.o amg_s_pde3d_box_mod.o amg_s_pde3d_gauss_mod.o amg_s_pde3d_box_mod.o
all: amg_s_pde3d amg_d_pde3d amg_s_pde2d amg_d_pde2d all: amg_s_pde3d amg_d_pde3d amg_s_pde2d amg_d_pde2d
amg_d_pde3d: amg_d_pde3d.o amg_d_genpde_mod.o $(DGEN3D) data_input.o amg_d_pde3d: amg_d_pde3d.o amg_d_genpde_mod.o $(DGEN3D) data_input.o
$(FLINK) $(LINKOPT) amg_d_pde3d.o amg_d_genpde_mod.o $(DGEN3D) data_input.o -o amg_d_pde3d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS) $(FLINK) $(LINKOPT) amg_d_pde3d.o amg_d_genpde_mod.o $(DGEN3D) data_input.o \
-o amg_d_pde3d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS)
/bin/mv amg_d_pde3d $(EXEDIR) /bin/mv amg_d_pde3d $(EXEDIR)
amg_s_pde3d: amg_s_pde3d.o amg_s_genpde_mod.o $(SGEN3D) data_input.o amg_s_pde3d: amg_s_pde3d.o amg_s_genpde_mod.o $(SGEN3D) data_input.o
$(FLINK) $(LINKOPT) amg_s_pde3d.o amg_s_genpde_mod.o $(SGEN3D) data_input.o -o amg_s_pde3d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS) $(FLINK) $(LINKOPT) amg_s_pde3d.o amg_s_genpde_mod.o $(SGEN3D) data_input.o \
-o amg_s_pde3d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS)
/bin/mv amg_s_pde3d $(EXEDIR) /bin/mv amg_s_pde3d $(EXEDIR)
amg_d_pde2d: amg_d_pde2d.o amg_d_genpde_mod.o $(DGEN2D) data_input.o amg_d_pde2d: amg_d_pde2d.o amg_d_genpde_mod.o $(DGEN2D) data_input.o
$(FLINK) $(LINKOPT) amg_d_pde2d.o amg_d_genpde_mod.o $(DGEN2D) data_input.o -o amg_d_pde2d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS) $(FLINK) $(LINKOPT) amg_d_pde2d.o amg_d_genpde_mod.o $(DGEN2D) data_input.o \
-o amg_d_pde2d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS)
/bin/mv amg_d_pde2d $(EXEDIR) /bin/mv amg_d_pde2d $(EXEDIR)
amg_s_pde2d: amg_s_pde2d.o amg_s_genpde_mod.o $(SGEN2D) data_input.o amg_s_pde2d: amg_s_pde2d.o amg_s_genpde_mod.o $(SGEN2D) data_input.o
$(FLINK) $(LINKOPT) amg_s_pde2d.o amg_s_genpde_mod.o $(SGEN2D) data_input.o -o amg_s_pde2d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS) $(FLINK) $(LINKOPT) amg_s_pde2d.o amg_s_genpde_mod.o $(SGEN2D) data_input.o \
-o amg_s_pde2d $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS)
/bin/mv amg_s_pde2d $(EXEDIR) /bin/mv amg_s_pde2d $(EXEDIR)
amg_d_pde3d_rebld: amg_d_pde3d_rebld.o data_input.o
$(FLINK) $(LINKOPT) amg_d_pde3d_rebld.o data_input.o -o amg_d_pde3d_rebld $(AMG_LIBS) $(PSBLAS_LIBS) $(LDLIBS)
/bin/mv amg_d_pde3d_rebld $(EXEDIR)
amg_d_pde3d.o amg_s_pde3d.o amg_d_pde2d.o amg_s_pde2d.o: data_input.o amg_d_pde3d.o amg_s_pde3d.o amg_d_pde2d.o amg_s_pde2d.o: data_input.o

@ -70,7 +70,6 @@ program amg_d_pde2d
use psb_util_mod use psb_util_mod
use data_input use data_input
use amg_d_pde2d_poisson_mod use amg_d_pde2d_poisson_mod
use amg_d_pde2d_const_mod
use amg_d_pde2d_exp_mod use amg_d_pde2d_exp_mod
use amg_d_pde2d_box_mod use amg_d_pde2d_box_mod
use amg_d_pde2d_gauss_mod use amg_d_pde2d_gauss_mod
@ -254,19 +253,18 @@ program amg_d_pde2d
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_poisson,a2_poisson,& & a1_poisson,a2_poisson,&
& b1_poisson,b2_poisson,c_poisson,g_poisson,info) & b1_poisson,b2_poisson,c_poisson,g_poisson,info)
case("CONST")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_const,a2_const,&
& b1_const,b2_const,c_const,g_const,info)
case("EXP") case("EXP")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_exp,a2_exp,b1_exp,b2_exp,c_exp,g_exp,info) & a1_exp,a2_exp,&
& b1_exp,b2_exp,c_exp,g_exp,info)
case("BOX") case("BOX")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_box,a2_box,b1_box,b2_box,c_box,g_box,info) & a1_box,a2_box,&
& b1_box,b2_box,c_box,g_box,info)
case("GAUSS") case("GAUSS")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_gauss,a2_gauss,b1_gauss,b2_gauss,c_gauss,g_gauss,info) & a1_gauss,a2_gauss,&
& b1_gauss,b2_gauss,c_gauss,g_gauss,info)
case default case default
info=psb_err_from_subroutine_ info=psb_err_from_subroutine_
ch_err='amg_gen_pdecoeff' ch_err='amg_gen_pdecoeff'

@ -1,89 +0,0 @@
!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! Salvatore Filippone
! Pasqua D'Ambra
! Fabio Durastante
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module amg_d_pde2d_const_mod
use psb_base_mod, only : psb_dpk_, dzero, done
real(psb_dpk_), save, private :: epsilon=done/80
contains
subroutine pde_set_parm2d_const(dat)
real(psb_dpk_), intent(in) :: dat
epsilon = dat
end subroutine pde_set_parm2d_const
!
! functions parametrizing the differential equation
!
function b1_const(x,y)
implicit none
real(psb_dpk_) :: b1_const
real(psb_dpk_), intent(in) :: x,y
b1_const = done/1.414_psb_dpk_
end function b1_const
function b2_const(x,y)
implicit none
real(psb_dpk_) :: b2_const
real(psb_dpk_), intent(in) :: x,y
b2_const = done/1.414_psb_dpk_
end function b2_const
function c_const(x,y)
implicit none
real(psb_dpk_) :: c_const
real(psb_dpk_), intent(in) :: x,y
c_const = dzero
end function c_const
function a1_const(x,y)
implicit none
real(psb_dpk_) :: a1_const
real(psb_dpk_), intent(in) :: x,y
a1_const=done*epsilon
end function a1_const
function a2_const(x,y)
implicit none
real(psb_dpk_) :: a2_const
real(psb_dpk_), intent(in) :: x,y
a2_const=done*epsilon
end function a2_const
function g_const(x,y)
implicit none
real(psb_dpk_) :: g_const
real(psb_dpk_), intent(in) :: x,y
g_const = dzero
if (x == done) then
g_const = done
else if (x == dzero) then
g_const = done
end if
end function g_const
end module amg_d_pde2d_const_mod

@ -71,7 +71,6 @@ program amg_d_pde3d
use psb_util_mod use psb_util_mod
use data_input use data_input
use amg_d_pde3d_poisson_mod use amg_d_pde3d_poisson_mod
use amg_d_pde3d_const_mod
use amg_d_pde3d_exp_mod use amg_d_pde3d_exp_mod
use amg_d_pde3d_box_mod use amg_d_pde3d_box_mod
use amg_d_pde3d_gauss_mod use amg_d_pde3d_gauss_mod
@ -256,19 +255,18 @@ program amg_d_pde3d
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_poisson,a2_poisson,a3_poisson,& & a1_poisson,a2_poisson,a3_poisson,&
& b1_poisson,b2_poisson,b3_poisson,c_poisson,g_poisson,info) & b1_poisson,b2_poisson,b3_poisson,c_poisson,g_poisson,info)
case("CONST")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_const,a2_const,a3_const,&
& b1_const,b2_const,b3_const,c_const,g_const,info)
case("EXP") case("EXP")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_exp,a2_exp,a3_exp,b1_exp,b2_exp,b3_exp,c_exp,g_exp,info) & a1_exp,a2_exp,a3_exp,&
& b1_exp,b2_exp,b3_exp,c_exp,g_exp,info)
case("BOX") case("BOX")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_box,a2_box,a3_box,b1_box,b2_box,b3_box,c_box,g_box,info) & a1_box,a2_box,a3_box,&
& b1_box,b2_box,b3_box,c_box,g_box,info)
case("GAUSS") case("GAUSS")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_gauss,a2_gauss,a3_gauss,b1_gauss,b2_gauss,b3_gauss,c_gauss,g_gauss,info) & a1_gauss,a2_gauss,a3_gauss,&
& b1_gauss,b2_gauss,b3_gauss,c_gauss,g_gauss,info)
case default case default
info=psb_err_from_subroutine_ info=psb_err_from_subroutine_
ch_err='amg_gen_pdecoeff' ch_err='amg_gen_pdecoeff'

@ -1,101 +0,0 @@
!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! Salvatore Filippone
! Pasqua D'Ambra
! Fabio Durastante
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module amg_d_pde3d_const_mod
use psb_base_mod, only : psb_dpk_, done, dzero
real(psb_dpk_), save, private :: epsilon=done/80
contains
subroutine pde_set_parm3d_const(dat)
real(psb_dpk_), intent(in) :: dat
epsilon = dat
end subroutine pde_set_parm3d_const
!
! functions parametrizing the differential equation
!
function b1_const(x,y,z)
implicit none
real(psb_dpk_) :: b1_const
real(psb_dpk_), intent(in) :: x,y,z
b1_const=done/sqrt(3.0_psb_dpk_)
end function b1_const
function b2_const(x,y,z)
implicit none
real(psb_dpk_) :: b2_const
real(psb_dpk_), intent(in) :: x,y,z
b2_const=done/sqrt(3.0_psb_dpk_)
end function b2_const
function b3_const(x,y,z)
implicit none
real(psb_dpk_) :: b3_const
real(psb_dpk_), intent(in) :: x,y,z
b3_const=dzero/sqrt(3.0_psb_dpk_)
end function b3_const
function c_const(x,y,z)
implicit none
real(psb_dpk_) :: c_const
real(psb_dpk_), intent(in) :: x,y,z
c_const=dzero
end function c_const
function a1_const(x,y,z)
implicit none
real(psb_dpk_) :: a1_const
real(psb_dpk_), intent(in) :: x,y,z
a1_const=epsilon
end function a1_const
function a2_const(x,y,z)
implicit none
real(psb_dpk_) :: a2_const
real(psb_dpk_), intent(in) :: x,y,z
a2_const=epsilon
end function a2_const
function a3_const(x,y,z)
implicit none
real(psb_dpk_) :: a3_const
real(psb_dpk_), intent(in) :: x,y,z
a3_const=epsilon
end function a3_const
function g_const(x,y,z)
implicit none
real(psb_dpk_) :: g_const
real(psb_dpk_), intent(in) :: x,y,z
g_const = dzero
if (x == done) then
g_const = done
else if (x == dzero) then
g_const = done
end if
end function g_const
end module amg_d_pde3d_const_mod

@ -70,7 +70,6 @@ program amg_s_pde2d
use psb_util_mod use psb_util_mod
use data_input use data_input
use amg_s_pde2d_poisson_mod use amg_s_pde2d_poisson_mod
use amg_s_pde2d_const_mod
use amg_s_pde2d_exp_mod use amg_s_pde2d_exp_mod
use amg_s_pde2d_box_mod use amg_s_pde2d_box_mod
use amg_s_pde2d_gauss_mod use amg_s_pde2d_gauss_mod
@ -254,19 +253,18 @@ program amg_s_pde2d
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_poisson,a2_poisson,& & a1_poisson,a2_poisson,&
& b1_poisson,b2_poisson,c_poisson,g_poisson,info) & b1_poisson,b2_poisson,c_poisson,g_poisson,info)
case("CONST")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_const,a2_const,&
& b1_const,b2_const,c_const,g_const,info)
case("EXP") case("EXP")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_exp,a2_exp,b1_exp,b2_exp,c_exp,g_exp,info) & a1_exp,a2_exp,&
& b1_exp,b2_exp,c_exp,g_exp,info)
case("BOX") case("BOX")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_box,a2_box,b1_box,b2_box,c_box,g_box,info) & a1_box,a2_box,&
& b1_box,b2_box,c_box,g_box,info)
case("GAUSS") case("GAUSS")
call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde2d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_gauss,a2_gauss,b1_gauss,b2_gauss,c_gauss,g_gauss,info) & a1_gauss,a2_gauss,&
& b1_gauss,b2_gauss,c_gauss,g_gauss,info)
case default case default
info=psb_err_from_subroutine_ info=psb_err_from_subroutine_
ch_err='amg_gen_pdecoeff' ch_err='amg_gen_pdecoeff'

@ -1,89 +0,0 @@
!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! Salvatore Filippone
! Pasqua D'Ambra
! Fabio Durastante
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module amg_s_pde2d_const_mod
use psb_base_mod, only : psb_spk_, szero, sone
real(psb_spk_), save, private :: epsilon=sone/80
contains
subroutine pde_set_parm2d_const(dat)
real(psb_spk_), intent(in) :: dat
epsilon = dat
end subroutine pde_set_parm2d_const
!
! functions parametrizing the differential equation
!
function b1_const(x,y)
implicit none
real(psb_spk_) :: b1_const
real(psb_spk_), intent(in) :: x,y
b1_const = sone/1.414_psb_spk_
end function b1_const
function b2_const(x,y)
implicit none
real(psb_spk_) :: b2_const
real(psb_spk_), intent(in) :: x,y
b2_const = sone/1.414_psb_spk_
end function b2_const
function c_const(x,y)
implicit none
real(psb_spk_) :: c_const
real(psb_spk_), intent(in) :: x,y
c_const = szero
end function c_const
function a1_const(x,y)
implicit none
real(psb_spk_) :: a1_const
real(psb_spk_), intent(in) :: x,y
a1_const=sone*epsilon
end function a1_const
function a2_const(x,y)
implicit none
real(psb_spk_) :: a2_const
real(psb_spk_), intent(in) :: x,y
a2_const=sone*epsilon
end function a2_const
function g_const(x,y)
implicit none
real(psb_spk_) :: g_const
real(psb_spk_), intent(in) :: x,y
g_const = szero
if (x == sone) then
g_const = sone
else if (x == szero) then
g_const = sone
end if
end function g_const
end module amg_s_pde2d_const_mod

@ -71,7 +71,6 @@ program amg_s_pde3d
use psb_util_mod use psb_util_mod
use data_input use data_input
use amg_s_pde3d_poisson_mod use amg_s_pde3d_poisson_mod
use amg_s_pde3d_const_mod
use amg_s_pde3d_exp_mod use amg_s_pde3d_exp_mod
use amg_s_pde3d_box_mod use amg_s_pde3d_box_mod
use amg_s_pde3d_gauss_mod use amg_s_pde3d_gauss_mod
@ -256,19 +255,18 @@ program amg_s_pde3d
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_poisson,a2_poisson,a3_poisson,& & a1_poisson,a2_poisson,a3_poisson,&
& b1_poisson,b2_poisson,b3_poisson,c_poisson,g_poisson,info) & b1_poisson,b2_poisson,b3_poisson,c_poisson,g_poisson,info)
case("CONST")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_const,a2_const,a3_const,&
& b1_const,b2_const,b3_const,c_const,g_const,info)
case("EXP") case("EXP")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_exp,a2_exp,a3_exp,b1_exp,b2_exp,b3_exp,c_exp,g_exp,info) & a1_exp,a2_exp,a3_exp,&
& b1_exp,b2_exp,b3_exp,c_exp,g_exp,info)
case("BOX") case("BOX")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_box,a2_box,a3_box,b1_box,b2_box,b3_box,c_box,g_box,info) & a1_box,a2_box,a3_box,&
& b1_box,b2_box,b3_box,c_box,g_box,info)
case("GAUSS") case("GAUSS")
call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,& call amg_gen_pde3d(ctxt,idim,a,b,x,desc_a,afmt,&
& a1_gauss,a2_gauss,a3_gauss,b1_gauss,b2_gauss,b3_gauss,c_gauss,g_gauss,info) & a1_gauss,a2_gauss,a3_gauss,&
& b1_gauss,b2_gauss,b3_gauss,c_gauss,g_gauss,info)
case default case default
info=psb_err_from_subroutine_ info=psb_err_from_subroutine_
ch_err='amg_gen_pdecoeff' ch_err='amg_gen_pdecoeff'

@ -1,101 +0,0 @@
!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! Salvatore Filippone
! Pasqua D'Ambra
! Fabio Durastante
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the AMG4PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
module amg_s_pde3d_const_mod
use psb_base_mod, only : psb_spk_, sone, szero
real(psb_spk_), save, private :: epsilon=sone/80
contains
subroutine pde_set_parm3d_const(dat)
real(psb_spk_), intent(in) :: dat
epsilon = dat
end subroutine pde_set_parm3d_const
!
! functions parametrizing the differential equation
!
function b1_const(x,y,z)
implicit none
real(psb_spk_) :: b1_const
real(psb_spk_), intent(in) :: x,y,z
b1_const=sone/sqrt(3.0_psb_spk_)
end function b1_const
function b2_const(x,y,z)
implicit none
real(psb_spk_) :: b2_const
real(psb_spk_), intent(in) :: x,y,z
b2_const=sone/sqrt(3.0_psb_spk_)
end function b2_const
function b3_const(x,y,z)
implicit none
real(psb_spk_) :: b3_const
real(psb_spk_), intent(in) :: x,y,z
b3_const=szero/sqrt(3.0_psb_spk_)
end function b3_const
function c_const(x,y,z)
implicit none
real(psb_spk_) :: c_const
real(psb_spk_), intent(in) :: x,y,z
c_const=szero
end function c_const
function a1_const(x,y,z)
implicit none
real(psb_spk_) :: a1_const
real(psb_spk_), intent(in) :: x,y,z
a1_const=epsilon
end function a1_const
function a2_const(x,y,z)
implicit none
real(psb_spk_) :: a2_const
real(psb_spk_), intent(in) :: x,y,z
a2_const=epsilon
end function a2_const
function a3_const(x,y,z)
implicit none
real(psb_spk_) :: a3_const
real(psb_spk_), intent(in) :: x,y,z
a3_const=epsilon
end function a3_const
function g_const(x,y,z)
implicit none
real(psb_spk_) :: g_const
real(psb_spk_), intent(in) :: x,y,z
g_const = szero
if (x == sone) then
g_const = sone
else if (x == szero) then
g_const = sone
end if
end function g_const
end module amg_s_pde3d_const_mod

@ -1,7 +1,7 @@
%%%%%%%%%%% General arguments % Lines starting with % are ignored. %%%%%%%%%%% General arguments % Lines starting with % are ignored.
CSR ! Storage format CSR COO JAD CSR ! Storage format CSR COO JAD
0150 ! IDIM; domain size. Linear system size is IDIM**2 0150 ! IDIM; domain size. Linear system size is IDIM**2
POISSON ! PDECOEFF: POISSON, CONST, EXP, BOX, GAUSS POISSON ! PDECOEFF: POISSON, EXP, BOX, GAUSS
% ! Coefficients of the PDE % ! Coefficients of the PDE
CG ! Iterative method: CG ! Iterative method:
% ! BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES % ! BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES

@ -1,12 +1,12 @@
%%%%%%%%%%% General arguments % Lines starting with % are ignored. %%%%%%%%%%% General arguments % Lines starting with % are ignored.
CSR ! Storage format CSR COO JAD CSR ! Storage format CSR COO JAD
0150 ! IDIM; domain size. Linear system size is IDIM**3 0150 ! IDIM; domain size. Linear system size is IDIM**3
POISSON ! PDECOEFF: POISSON, CONST, EXP, BOX, GAUSS POISSON ! PDECOEFF: POISSON, EXP, BOX, GAUSS
% ! Coefficients of the PDE % ! Coefficients of the PDE
CG ! Iterative method: CG ! Iterative method:
% ! BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES % ! BiCGSTAB BiCGSTABL BiCG CG CGS FCG GCR RGMRES
2 ! ISTOPC 2 ! ISTOPC
00008 ! ITMAX 00500 ! ITMAX
1 ! ITRACE 1 ! ITRACE
30 ! IRST (restart for RGMRES and BiCGSTABL) 30 ! IRST (restart for RGMRES and BiCGSTABL)
1.d-6 ! EPS 1.d-6 ! EPS

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