!!$
!!$ Parallel Sparse BLAS version 3.1
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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 PSBLAS 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 PSBLAS 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.
!!$
!!$
! File: psb_camax.f90
!
! Function: psb_camax
! Searches the absolute max of X.
!
! normi := max(abs(sub(X)(i))
!
! where sub( X ) denotes X(1:N,JX:).
!
! Arguments:
! x(:,:) - complex The input vector.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset.
!
function psb_camax(x,desc_a, info, jx) result(res)
use psb_base_mod, psb_protect_name => psb_camax
implicit none
complex(psb_spk_), intent(in) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: jx
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, ijx, m, ldx
character(len=20) :: name, ch_err
name='psb_camax'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
ix = 1
if (present(jx)) then
ijx = jx
else
ijx = 1
endif
m = desc_a%get_global_rows()
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
! compute local max
if ((desc_a%get_local_rows() > 0).and.(m /= 0)) then
res = psb_amax(desc_a%get_local_rows()-iix+1,x(:,jjx))
else
res = szero
end if
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error(ictxt)
return
end if
return
end function psb_camax
!!$
!!$ Parallel Sparse BLAS version 3.1
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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 PSBLAS 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 PSBLAS 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.
!!$
!!$
!
! Function: psb_camaxv
! Searches the absolute max of X.
!
! normi := max(abs(X(i))
!
! Arguments:
! x(:) - complex The input vector.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
function psb_camaxv (x,desc_a, info) result(res)
use psb_base_mod, psb_protect_name => psb_camaxv
implicit none
complex(psb_spk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_spk_) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, jx, ix, m, ldx
character(len=20) :: name, ch_err
name='psb_camaxv'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
ix = 1
jx = 1
m = desc_a%get_global_rows()
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
! compute local max
if ((desc_a%get_local_rows() > 0).and.(m /= 0)) then
res = psb_amax(desc_a%get_local_rows()-iix+1,x)
else
res = szero
end if
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error(ictxt)
return
end if
return
end function psb_camaxv
function psb_camax_vect(x, desc_a, info) result(res)
use psb_penv_mod
use psb_serial_mod
use psb_desc_mod
use psb_check_mod
use psb_error_mod
use psb_c_vect_mod
implicit none
real(psb_spk_) :: res
type(psb_c_vect_type), intent (inout) :: x
type(psb_desc_type), intent (in) :: desc_a
integer(psb_ipk_), intent(out) :: info
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, jx, ix, m
character(len=20) :: name, ch_err
name='psb_camaxv'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x%v)) then
info = psb_err_invalid_vect_state_
call psb_errpush(info,name)
goto 9999
endif
ix = 1
jx = 1
m = desc_a%get_global_rows()
call psb_chkvect(m,ione,x%get_nrows(),ix,jx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
! compute local max
if ((desc_a%get_local_rows() > 0).and.(m /= 0)) then
res = x%amax(desc_a%get_local_rows())
else
res = szero
end if
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error(ictxt)
return
end if
return
end function psb_camax_vect
!!$
!!$ Parallel Sparse BLAS version 3.1
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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 PSBLAS 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 PSBLAS 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.
!!$
!!$
!
! Subroutine: psb_camaxvs
! Searches the absolute max of X.
!
! normi := max(abs(sub(X)(i))
!
! where sub( X ) denotes X(1:N,JX:).
!
! Arguments:
! res - real The result.
! x(:,:) - complex The input vector.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! jx - integer(optional). The column offset.
!
subroutine psb_camaxvs(res,x,desc_a, info)
use psb_base_mod, psb_protect_name => psb_camaxvs
implicit none
complex(psb_spk_), intent(in) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
real(psb_spk_), intent(out) :: res
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, ijx, m, ldx
character(len=20) :: name, ch_err
name='psb_camaxvs'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
ix = 1
ijx=1
m = desc_a%get_global_rows()
ldx=size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
! compute local max
if ((desc_a%get_local_rows() > 0).and.(m /= 0)) then
res = psb_amax(desc_a%get_local_rows()-iix+1,x)
else
res = szero
end if
! compute global max
call psb_amx(ictxt, res)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error(ictxt)
return
end if
return
end subroutine psb_camaxvs
!!$
!!$ Parallel Sparse BLAS version 3.1
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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 PSBLAS 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 PSBLAS 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.
!!$
!!$
!
! Subroutine: psb_cmamaxs
! Searches the absolute max of X.
!
! normi := max(abs(X(i))
!
! Arguments:
! res(:) - real. The result.
! x(:,:) - complex The input vector.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
!
subroutine psb_cmamaxs(res,x,desc_a, info,jx)
use psb_base_mod, psb_protect_name => psb_cmamaxs
implicit none
complex(psb_spk_), intent(in) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: jx
real(psb_spk_), intent(out) :: res(:)
! locals
integer(psb_ipk_) :: ictxt, np, me,&
& err_act, iix, jjx, ix, ijx, m, ldx, i, k
character(len=20) :: name, ch_err
name='psb_cmamaxs'
if (psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
ix = 1
if (present(jx)) then
ijx = jx
else
ijx = 1
endif
m = desc_a%get_global_rows()
k = min(size(x,2),size(res,1))
ldx = size(x,1)
call psb_chkvect(m,ione,ldx,ix,ijx,desc_a,info,iix,jjx)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkvect'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (iix /= 1) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
end if
res(1:k) = szero
! compute local max
if ((desc_a%get_local_rows() > 0).and.(m /= 0)) then
do i=1,k
res(i) = psb_amax(desc_a%get_local_rows()-iix+1,x(:,jjx+i-1))
end do
end if
! compute global max
call psb_amx(ictxt, res(1:k))
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error(ictxt)
return
end if
return
end subroutine psb_cmamaxs