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69 lines
1.3 KiB
Fortran
69 lines
1.3 KiB
Fortran
function psb_s_spge_dot(nv1,iv1,v1,v2) result(dot)
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use psb_const_mod
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integer, intent(in) :: nv1
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integer, intent(in) :: iv1(*)
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real(psb_spk_), intent(in) :: v1(*),v2(*)
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real(psb_spk_) :: dot
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integer :: i,j,k, ip1, ip2
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dot = szero
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ip1 = 1
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do i=1, nv1
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dot = dot + v1(i)*v2(iv1(i))
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end do
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end function psb_s_spge_dot
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function psb_d_spge_dot(nv1,iv1,v1,v2) result(dot)
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use psb_const_mod
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integer, intent(in) :: nv1
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integer, intent(in) :: iv1(*)
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real(psb_dpk_), intent(in) :: v1(*),v2(*)
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real(psb_dpk_) :: dot
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integer :: i,j,k, ip1, ip2
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dot = dzero
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do i=1, nv1
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dot = dot + v1(i)*v2(iv1(i))
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end do
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end function psb_d_spge_dot
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function psb_c_spge_dot(nv1,iv1,v1,v2) result(dot)
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use psb_const_mod
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integer, intent(in) :: nv1
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integer, intent(in) :: iv1(*)
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complex(psb_spk_), intent(in) :: v1(*),v2(*)
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complex(psb_spk_) :: dot
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integer :: i,j,k, ip1, ip2
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dot = czero
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do i=1, nv1
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dot = dot + v1(i)*v2(iv1(i))
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end do
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end function psb_c_spge_dot
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function psb_z_spge_dot(nv1,iv1,v1,v2) result(dot)
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use psb_const_mod
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integer, intent(in) :: nv1
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integer, intent(in) :: iv1(*)
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complex(psb_dpk_), intent(in) :: v1(*),v2(*)
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complex(psb_dpk_) :: dot
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integer :: i,j,k, ip1, ip2
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dot = zzero
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do i=1, nv1
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dot = dot + v1(i)*v2(iv1(i))
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end do
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end function psb_z_spge_dot
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