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core
Shared MPI block decomposition + asynchronous ghost-layer exchange (header-only C++20)
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PCG on A x = b preconditioned by an already-built GraphAMG (one V-cycle per iteration). More...
#include <graph_amg.hpp>
Public Attributes | |
| int | iters = 0 |
| double | res0 = 0.0 |
| double | res = 0.0 |
PCG on A x = b preconditioned by an already-built GraphAMG (one V-cycle per iteration).
Returns {iterations, initial residual L2, final residual L2}. tol is relative to ‖b − A x₀‖.
Definition at line 554 of file graph_amg.hpp.
| int peclet::core::solver::CgResult::iters = 0 |
Definition at line 555 of file graph_amg.hpp.
| double peclet::core::solver::CgResult::res0 = 0.0 |
Definition at line 556 of file graph_amg.hpp.
Referenced by peclet::core::solver::amgPcg().
| double peclet::core::solver::CgResult::res = 0.0 |
Definition at line 557 of file graph_amg.hpp.