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/* created by Ben Cumming on 26/04/2006 */ |
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#ifndef INC_DISTRIBUTION |
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#define INC_DISTRIBUTION |
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#include "Finley.h" |
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#ifdef PASO_MPI |
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/* DATA TYPES */ |
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/**************************************************** |
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describes the set of nodes shared between two |
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neighbouring domains. Each of the domains has |
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a local copy that show where to map information |
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received from/sent to the other neighbour |
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****************************************************/ |
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struct Finley_NodeGhostEdge |
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{ |
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dim_t reference_counter; |
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index_t numForward; /* number of local nodes referenced by neighbour */ |
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index_t numBackward; /* number of neighbours nodes referenced by this process */ |
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/* local indices of the forward and backward referenced nodes */ |
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index_t *indexForward; |
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index_t *indexBackward; |
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}; |
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typedef struct Finley_NodeGhostEdge Finley_NodeGhostEdge; |
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/**************************************************** |
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describes the distribution of the nodes/DOF stored |
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on the local process, along with their connections |
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with nodes/DOF in neighbouring domains. |
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****************************************************/ |
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struct Finley_NodeDistribution |
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{ |
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dim_t reference_counter; |
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Paso_MPIInfo *MPIInfo; |
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index_t numLocal; /* total number of nodes on local domain |
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numLocal = numBoundary + numInternal */ |
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index_t numInternal; /* number of local nodes that are internal, |
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that is, not dependent on nodes in other domains*/ |
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index_t numBoundary; /* number of local nodes that are dependant on nodes |
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in other domains */ |
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index_t numExternal; /* number of nodes belonging to other subdomains that |
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share elements with local boundary nodes */ |
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index_t *indexExternal; /* global indices of the external nodes stored on this Pid */ |
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index_t *vtxdist; /* process i has nodes with global indices |
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vtxdist[i] to vtxdist[i]-1. */ |
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index_t numGlobal; /* total number of nodes in the global domain */ |
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index_t numNeighbours; /* number of neighbour domains */ |
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index_t *neighbours; /* list of ranks of neighbours */ |
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Finley_NodeGhostEdge **edges; /* ghost edges shared with each neighbour */ |
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}; |
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typedef struct Finley_NodeDistribution Finley_NodeDistribution; |
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/* not used at the moment, but could be used in the future for more efficient |
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calculation of integrals etc on boundary elements... */ |
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struct Finley_ElementGhostEdge |
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{ |
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dim_t reference_counter; |
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index_t numShared; /* number of elements shared with neighbour */ |
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index_t *shared; /* local indices of the elements shared with the neighbour */ |
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index_t *pointers; /* Yale-style description of dependancies on neighbour elements */ |
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index_t *index; |
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}; |
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typedef struct Finley_ElementGhostEdge Finley_ElementGhostEdge; |
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struct Finley_ElementDistribution |
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{ |
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dim_t reference_counter; |
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Paso_MPIInfo *MPIInfo; |
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index_t numLocal; /* total number of elements on local domain |
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numLocal = numBoundary + numInternal */ |
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index_t numInternal; /* number of local elements that are internal, |
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that is, not dependent on elements in other domains*/ |
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index_t numBoundary; /* number of local elements that are dependant on elements |
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in other domains */ |
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/* there will be further stuff here, as the need for it in domain decomposition arises */ |
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/* ... */ |
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}; |
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typedef struct Finley_ElementDistribution Finley_ElementDistribution; |
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/*************************************** |
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Function prototypes |
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***************************************/ |
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/* Finley_NodeDistribution */ |
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Finley_NodeDistribution* Finley_NodeDistribution_alloc( Paso_MPIInfo *MPIInfo ); |
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void Finley_NodeDistribution_dealloc( Finley_NodeDistribution *in ); |
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Finley_NodeDistribution* Finley_NodeDistribution_getReference( Finley_NodeDistribution *in ); |
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void Finley_NodeDistibution_allocTable( Finley_NodeDistribution *in, dim_t numLocal, dim_t numExternal, dim_t numNeighbours ); |
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void Finley_NodeDistribution_deallocTable( Finley_NodeDistribution *in ); |
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void Finley_NodeDistribution_addForward( Finley_NodeDistribution *in, index_t domain, dim_t numForward, index_t* indexLocal ); |
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void Finley_NodeDistribution_addBackward( Finley_NodeDistribution *in, index_t domain, dim_t numBackward, index_t* indexLocal ); |
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/* Finley_NodeGhostEdge */ |
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Finley_NodeGhostEdge* Finley_NodeGhostEdge_alloc( void ); |
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void Finley_NodeGhostEdge_dealloc( Finley_NodeGhostEdge *in ); |
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Finley_NodeGhostEdge* Finley_NodeGhostEdge_getReference( Finley_NodeGhostEdge *in ); |
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void Finley_NodeGhostEdge_allocTable( Finley_NodeGhostEdge *in, dim_t numForward, dim_t numBackward ); |
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void Finley_NodeGhostEdge_deallocTable( Finley_NodeGhostEdge *in ); |
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/* Finley_ElementDistribution */ |
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Finley_ElementDistribution* Finley_ElementDistribution_alloc( Paso_MPIInfo *MPIInfo ); |
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void Finley_ElementDistribution_dealloc( Finley_ElementDistribution* in ); |
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Finley_ElementDistribution* Finley_ElementDistribution_getReference( Finley_ElementDistribution* in ); |
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#endif |
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#endif |
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