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https://github.com/QuantumPackage/qp2.git
synced 2024-12-04 02:48:24 +01:00
Fixed floating-point exceptions
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75891f14b7
commit
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@ -112,7 +112,7 @@ qp_edit --check ${ezfio}
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if [[ $mos -eq 1 ]] ; then
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qp set mo_two_e_ints io_mo_two_e_integrals None
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qp set mo_one_e_ints io_mo_integrals_e_n None
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qp set mo_one_e_ints io_mo_integrals_n_e None
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qp set mo_one_e_ints io_mo_integrals_kinetic None
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qp set mo_one_e_ints io_mo_integrals_pseudo None
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qp set mo_one_e_ints io_mo_one_e_integrals None
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@ -51,7 +51,7 @@ FCFLAGS : -Ofast
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# -g : Extra debugging information
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#
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[DEBUG]
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FCFLAGS : -g -msse4.2 -fcheck=all -Waliasing -Wampersand -Wconversion -Wsurprising -Wintrinsics-std -Wno-tabs -Wintrinsic-shadow -Wline-truncation -Wreal-q-constant -Wuninitialized
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FCFLAGS : -g -msse4.2 -fcheck=all -Waliasing -Wampersand -Wconversion -Wsurprising -Wintrinsics-std -Wno-tabs -Wintrinsic-shadow -Wline-truncation -Wreal-q-constant -Wuninitialized -fbacktrace -ffpe-trap=zero,overflow,underflow -finit-real=nan
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# OpenMP flags
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#################
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@ -53,7 +53,7 @@ FCFLAGS : -Ofast -fimplicit-none
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# -g : Extra debugging information
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#
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[DEBUG]
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FCFLAGS : -Ofast -fcheck=all -g -Waliasing -Wampersand -Wconversion -Wsurprising -Wintrinsics-std -Wno-tabs -Wintrinsic-shadow -Wline-truncation -Wreal-q-constant
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FCFLAGS : -Ofast -fcheck=all -g -Waliasing -Wampersand -Wconversion -Wsurprising -Wintrinsics-std -Wno-tabs -Wintrinsic-shadow -Wline-truncation -Wreal-q-constant -fbacktrace -ffpe-trap=zero,overflow,underflow -finit-real=nan
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# OpenMP flags
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@ -1907,13 +1907,17 @@ double precision function int_prod_bessel(l,gam,n,m,a,b,arg)
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sum=s_q_0
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if (q>300) then
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stop 'pseudopot.f90 : q > 300'
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stop 'pseudopot.f90 : q > 200'
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endif
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qk = dble(q)
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two_qkmp1 = 2.d0*(qk+mk)+1.d0
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do k=0,q-1
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s_q_k = two_qkmp1*qk*inverses(k)*s_q_k
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if (s_q_k < 1.d-32) then
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s_q_k = 0.d0
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exit
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endif
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sum=sum+s_q_k
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two_qkmp1 = two_qkmp1-2.d0
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qk = qk-1.d0
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@ -5,12 +5,13 @@ source $QP_ROOT/quantum_package.rc
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function run() {
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thresh=1.e-7
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thresh=1.e-6
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test_exe scf || skip
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qp set_file $1
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qp edit --check
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qp reset --mos
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qp run scf
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qp set scf_utils n_it_scf_max 50
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qp run scf
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# qp set_frozen_core
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energy="$(ezfio get hartree_fock energy)"
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eq $energy $2 $thresh
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@ -39,7 +40,7 @@ function run() {
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}
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@test "SO" { # 0.539000 5.70403s
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run so.ezfio -25.7175263371941
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run so.ezfio -25.7175270084056
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}
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@test "HCO" { # 0.636700 1.55279s
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@ -107,13 +108,13 @@ function run() {
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}
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@test "C2H2" { # 19.599000 37.7923s
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run c2h2.ezfio -12.12144019495306
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run c2h2.ezfio -12.12144044853196
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}
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@test "SiH3" { # 20.316100 54.0861s
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[[ -n $TRAVIS ]] && skip
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run sih3.ezfio -5.455398769158780
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run sih3.ezfio -5.455400439077580
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}
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@test "OH" { # 32.042200 1.36478m
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@ -130,6 +131,6 @@ function run() {
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@test "SO2" { # 71.894900 3.22567m
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[[ -n $TRAVIS ]] && skip
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run so2.ezfio -41.55800190733211
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run so2.ezfio -41.55800401346361
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}
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@ -53,18 +53,20 @@ BEGIN_PROVIDER [ double precision, nucl_coord, (nucl_num,3) ]
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'================','============','============','============','============'
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write(6,'(A)') ''
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double precision :: dist_min, x, y, z
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dist_min = huge(1.d0)
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do i=1,nucl_num
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do j=i+1,nucl_num
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x = nucl_coord(i,1)-nucl_coord(j,1)
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y = nucl_coord(i,2)-nucl_coord(j,2)
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z = nucl_coord(i,3)-nucl_coord(j,3)
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dist_min = min(x*x + y*y + z*z, dist_min)
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if (nucl_num > 1) then
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double precision :: dist_min, x, y, z
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dist_min = huge(1.d0)
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do i=1,nucl_num
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do j=i+1,nucl_num
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x = nucl_coord(i,1)-nucl_coord(j,1)
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y = nucl_coord(i,2)-nucl_coord(j,2)
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z = nucl_coord(i,3)-nucl_coord(j,3)
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dist_min = min(x*x + y*y + z*z, dist_min)
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enddo
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enddo
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enddo
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write(6,'(A,F12.4,A)') 'Minimal interatomic distance found: ', &
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dsqrt(dist_min)*a0,' Angstrom'
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write(6,'(A,F12.4,A)') 'Minimal interatomic distance found: ', &
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dsqrt(dist_min)*a0,' Angstrom'
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endif
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endif
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@ -196,6 +196,13 @@ END_DOC
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double precision,allocatable :: scratch(:,:)
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integer :: i,j,k,i_DIIS,j_DIIS
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double precision :: rcond, ferr, berr
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integer, allocatable :: iwork(:)
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integer :: lwork
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if (dim_DIIS < 4) then
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return
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endif
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allocate( &
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B_matrix_DIIS(dim_DIIS+1,dim_DIIS+1), &
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@ -239,77 +246,80 @@ END_DOC
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B_matrix_DIIS(dim_DIIS+1,dim_DIIS+1) = 0.d0
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C_vector_DIIS(dim_DIIS+1) = -1.d0
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! Solve the linear system C = B.X
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deallocate(scratch)
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! Estimate condition number of B
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double precision :: anorm
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integer :: info
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integer,allocatable :: ipiv(:)
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allocate( &
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ipiv(dim_DIIS+1) &
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)
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double precision, allocatable :: AF(:,:)
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allocate (AF(dim_DIIS+1,dim_DIIS+1))
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double precision :: rcond, ferr, berr
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integer :: iwork(dim_DIIS+1), lwork
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double precision, external :: dlange
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call dsysvx('N','U',dim_DIIS+1,1, &
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B_matrix_DIIS,size(B_matrix_DIIS,1), &
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AF, size(AF,1), &
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ipiv, &
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C_vector_DIIS,size(C_vector_DIIS,1), &
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X_vector_DIIS,size(X_vector_DIIS,1), &
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rcond, &
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ferr, &
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berr, &
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scratch,-1, &
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iwork, &
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info &
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)
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lwork = int(scratch(1,1))
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deallocate(scratch)
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lwork = max((dim_DIIS+1)**2, (dim_DIIS+1)*5)
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allocate(AF(dim_DIIS+1,dim_DIIS+1))
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allocate(ipiv(2*(dim_DIIS+1)), iwork(2*(dim_DIIS+1)) )
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allocate(scratch(lwork,1))
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anorm = dlange('1', dim_DIIS+1, dim_DIIS+1, B_matrix_DIIS, &
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size(B_matrix_DIIS,1), scratch)
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AF(:,:) = B_matrix_DIIS(:,:)
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call dgetrf(dim_DIIS+1,dim_DIIS+1,AF,size(AF,1),ipiv,info)
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if (info /= 0) then
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dim_DIIS = 0
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return
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endif
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call dgecon( '1', dim_DIIS+1, AF, &
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size(AF,1), anorm, rcond, scratch, iwork, info )
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if (info /= 0) then
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dim_DIIS = 0
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return
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endif
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if (rcond < 1.d-10) then
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dim_DIIS = 0
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return
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endif
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! Solve the linear system C = B.X
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call dsysvx('N','U',dim_DIIS+1,1, &
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B_matrix_DIIS,size(B_matrix_DIIS,1), &
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AF, size(AF,1), &
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ipiv, &
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C_vector_DIIS,size(C_vector_DIIS,1), &
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X_vector_DIIS,size(X_vector_DIIS,1), &
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rcond, &
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ferr, &
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berr, &
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scratch,size(scratch), &
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iwork, &
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info &
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)
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B_matrix_DIIS,size(B_matrix_DIIS,1), &
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AF, size(AF,1), &
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ipiv, &
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C_vector_DIIS,size(C_vector_DIIS,1), &
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X_vector_DIIS,size(X_vector_DIIS,1), &
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rcond, &
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ferr, &
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berr, &
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scratch,size(scratch), &
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iwork, &
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info &
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)
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deallocate(scratch,AF,iwork)
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if(info < 0) then
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stop 'bug in DIIS'
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endif
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if (rcond > 1.d-12) then
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! Compute extrapolated Fock matrix
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!$OMP PARALLEL DO PRIVATE(i,j,k) DEFAULT(SHARED) if (ao_num > 200)
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do j=1,ao_num
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do i=1,ao_num
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Fock_matrix_AO_(i,j) = 0.d0
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enddo
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do k=1,dim_DIIS
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if (dabs(X_vector_DIIS(k)) < 1.d-10) cycle
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do i=1,ao_num
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Fock_matrix_AO_(i,j) = Fock_matrix_AO_(i,j) + &
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X_vector_DIIS(k)*Fock_matrix_DIIS(i,j,dim_DIIS-k+1)
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enddo
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enddo
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!$OMP PARALLEL DO PRIVATE(i,j,k) DEFAULT(SHARED) if (ao_num > 200)
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do j=1,ao_num
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do i=1,ao_num
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Fock_matrix_AO_(i,j) = 0.d0
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enddo
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do k=1,dim_DIIS
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if (dabs(X_vector_DIIS(k)) < 1.d-10) cycle
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do i=1,ao_num
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Fock_matrix_AO_(i,j) = Fock_matrix_AO_(i,j) + &
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X_vector_DIIS(k)*Fock_matrix_DIIS(i,j,dim_DIIS-k+1)
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enddo
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!$OMP END PARALLEL DO
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else
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dim_DIIS = 0
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endif
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enddo
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enddo
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!$OMP END PARALLEL DO
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end
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