Defines various Conjugate Gradient methods.
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| type | sx_cg_t |
| | Standard preconditioned conjugate gradient method (SX version) More...
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| subroutine | sx_cg_init (this, n, max_iter, m, rel_tol, abs_tol, monitor) |
| | Initialise a standard PCG solver.
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| subroutine | sx_cg_free (this) |
| | Deallocate a standard PCG solver.
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| type(ksp_monitor_t) function | sx_cg_solve (this, ax, x, f, n, coef, bc_projector, gs_h, niter) |
| | Standard PCG solve.
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| type(ksp_monitor_t) function, dimension(3) | sx_cg_solve_coupled (this, ax, x, y, z, fx, fy, fz, n, coef, bc_projector, gs_h, niter) |
| | Standard PCG coupled solve.
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◆ sx_cg_free()
◆ sx_cg_init()
| subroutine cg_sx::sx_cg_init |
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class(sx_cg_t), intent(inout), target |
this, |
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integer, intent(in) |
n, |
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integer, intent(in) |
max_iter, |
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class(pc_t), intent(in), optional, target |
m, |
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real(kind=rp), intent(in), optional |
rel_tol, |
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real(kind=rp), intent(in), optional |
abs_tol, |
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logical, intent(in), optional |
monitor |
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◆ sx_cg_solve()
| type(ksp_monitor_t) function cg_sx::sx_cg_solve |
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class(sx_cg_t), intent(inout) |
this, |
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class(ax_t), intent(in) |
ax, |
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type(field_t), intent(inout) |
x, |
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real(kind=rp), dimension(n), intent(in) |
f, |
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integer, intent(in) |
n, |
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type(coef_t), intent(inout) |
coef, |
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class(scalar_bc_projector_t), intent(inout) |
bc_projector, |
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type(gs_t), intent(inout) |
gs_h, |
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integer, intent(in), optional |
niter |
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private |
◆ sx_cg_solve_coupled()
| type(ksp_monitor_t) function, dimension(3) cg_sx::sx_cg_solve_coupled |
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class(sx_cg_t), intent(inout) |
this, |
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class(ax_t), intent(in) |
ax, |
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type(field_t), intent(inout) |
x, |
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type(field_t), intent(inout) |
y, |
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type(field_t), intent(inout) |
z, |
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real(kind=rp), dimension(n), intent(in) |
fx, |
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real(kind=rp), dimension(n), intent(in) |
fy, |
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real(kind=rp), dimension(n), intent(in) |
fz, |
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integer, intent(in) |
n, |
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type(coef_t), intent(inout) |
coef, |
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class(vector_bc_projector_t), intent(inout) |
bc_projector, |
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type(gs_t), intent(inout) |
gs_h, |
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integer, intent(in), optional |
niter |
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private |
