!!$ !!$ Parallel Sparse BLAS version 3.0 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010 !!$ 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_zasum.f90 ! ! Function: psb_zasum ! Computes norm1 of X ! ! norm1 := sum(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_zasum (x,desc_a, info, jx) result(res) use psb_base_mod, psb_protect_name => psb_zasum implicit none complex(psb_dpk_), 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_dpk_) :: res ! locals integer(psb_ipk_) :: ictxt, np, me, & & err_act, iix, jjx, ix, ijx, m, i, idx, ndm, ldx character(len=20) :: name, ch_err name='psb_zasum' 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) ! check vector correctness 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) then res = psb_asum(desc_a%get_local_rows()-iix+1,x(:,jjx)) ! adjust res because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*psb_nrm1(x(idx,jjx)) end do else res = dzero end if ! compute global sum call psb_sum(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_zasum function psb_zasum_vect(x, desc_a, info) result(res) use psb_base_mod, psb_protect_name => psb_zasum_vect implicit none real(psb_dpk_) :: res type(psb_z_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, imax character(len=20) :: name, ch_err name='psb_zasumv' if (psb_errstatus_fatal()) 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%asum(desc_a%get_local_rows()) else res = dzero end if ! compute global sum call psb_sum(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_zasum_vect !!$ !!$ Parallel Sparse BLAS version 3.0 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010 !!$ 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_zasumv ! Computes norm1 of X ! ! norm1 := sum(X(i)) ! ! Arguments: ! x(:) - complex The input vector. ! desc_a - type(psb_desc_type). The communication descriptor. ! info - integer. Return code ! function psb_zasumv(x,desc_a, info) result(res) use psb_base_mod, psb_protect_name => psb_zasumv implicit none complex(psb_dpk_), intent(in) :: x(:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_), intent(out) :: info real(psb_dpk_) :: res ! locals integer(psb_ipk_) :: ictxt, np, me,& & err_act, iix, jjx, jx, ix, m, i, idx, ndm, ldx character(len=20) :: name, ch_err name='psb_zasumv' 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) ! check vector correctness 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) then res = psb_asum(desc_a%get_local_rows(),x) ! adjust asum because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*psb_nrm1(x(idx)) end do else res = dzero end if ! compute global sum call psb_sum(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_zasumv !!$ !!$ Parallel Sparse BLAS version 3.0 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010 !!$ 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_zasumvs ! Computes norm1 of X ! ! norm1 := sum(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 ! jx - integer(optional). The column offset. ! subroutine psb_zasumvs(res,x,desc_a, info) use psb_base_mod, psb_protect_name => psb_zasumvs implicit none complex(psb_dpk_), intent(in) :: x(:) real(psb_dpk_), intent(out) :: res 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, ix, jx, m, i, idx, ndm, ldx character(len=20) :: name, ch_err name='psb_zasumvs' 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) ! check vector correctness 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) then res = psb_asum(desc_a%get_local_rows(),x) ! adjust asum because overlapped elements are computed more than once do i=1,size(desc_a%ovrlap_elem,1) idx = desc_a%ovrlap_elem(i,1) ndm = desc_a%ovrlap_elem(i,2) res = res - (real(ndm-1)/real(ndm))*psb_nrm1(x(idx)) end do else res = dzero end if ! compute global sum call psb_sum(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_zasumvs