159 lines
5.0 KiB
C
159 lines
5.0 KiB
C
/*BHEADER**********************************************************************
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* (c) 2000 The Regents of the University of California
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*
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* See the file COPYRIGHT_and_DISCLAIMER for a complete copyright
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* notice, contact person, and disclaimer.
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*
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* $Revision$
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*********************************************************************EHEADER*/
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/******************************************************************************
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*
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*
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*****************************************************************************/
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#include "headers.h"
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/*--------------------------------------------------------------------------
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* hypre_SysSemiRestrictData data structure
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*--------------------------------------------------------------------------*/
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typedef struct
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{
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int nvars;
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void **srestrict_data;
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} hypre_SysSemiRestrictData;
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/*--------------------------------------------------------------------------
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* hypre_SysSemiRestrictCreate
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*--------------------------------------------------------------------------*/
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int
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hypre_SysSemiRestrictCreate( void **sys_restrict_vdata_ptr)
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{
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int ierr = 0;
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hypre_SysSemiRestrictData *sys_restrict_data;
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sys_restrict_data = hypre_CTAlloc(hypre_SysSemiRestrictData, 1);
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*sys_restrict_vdata_ptr = (void *) sys_restrict_data;
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return ierr;
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}
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/*--------------------------------------------------------------------------
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* hypre_SysSemiRestrictSetup
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*--------------------------------------------------------------------------*/
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int
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hypre_SysSemiRestrictSetup( void *sys_restrict_vdata,
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hypre_SStructPMatrix *R,
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int R_stored_as_transpose,
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hypre_SStructPVector *r,
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hypre_SStructPVector *rc,
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hypre_Index cindex,
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hypre_Index findex,
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hypre_Index stride )
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{
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int ierr = 0;
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hypre_SysSemiRestrictData *sys_restrict_data = sys_restrict_vdata;
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void **srestrict_data;
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int nvars;
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hypre_StructMatrix *R_s;
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hypre_StructVector *rc_s;
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hypre_StructVector *r_s;
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int vi;
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nvars = hypre_SStructPMatrixNVars(R);
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srestrict_data = hypre_CTAlloc(void *, nvars);
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for (vi = 0; vi < nvars; vi++)
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{
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R_s = hypre_SStructPMatrixSMatrix(R, vi, vi);
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rc_s = hypre_SStructPVectorSVector(rc, vi);
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r_s = hypre_SStructPVectorSVector(r, vi);
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srestrict_data[vi] = hypre_SemiRestrictCreate( );
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hypre_SemiRestrictSetup( srestrict_data[vi], R_s, R_stored_as_transpose,
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r_s, rc_s, cindex, findex, stride);
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}
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(sys_restrict_data -> nvars) = nvars;
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(sys_restrict_data -> srestrict_data) = srestrict_data;
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return ierr;
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}
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/*--------------------------------------------------------------------------
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* hypre_SysSemiRestrict:
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*--------------------------------------------------------------------------*/
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int
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hypre_SysSemiRestrict( void *sys_restrict_vdata,
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hypre_SStructPMatrix *R,
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hypre_SStructPVector *r,
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hypre_SStructPVector *rc )
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{
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int ierr = 0;
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hypre_SysSemiRestrictData *sys_restrict_data = sys_restrict_vdata;
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void **srestrict_data
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= (sys_restrict_data -> srestrict_data);
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int nvars = (sys_restrict_data -> nvars);
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void *sdata;
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hypre_StructMatrix *R_s;
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hypre_StructVector *rc_s;
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hypre_StructVector *r_s;
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int vi;
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for (vi = 0; vi < nvars; vi++)
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{
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sdata = srestrict_data[vi];
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R_s = hypre_SStructPMatrixSMatrix(R, vi, vi);
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rc_s = hypre_SStructPVectorSVector(rc, vi);
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r_s = hypre_SStructPVectorSVector(r, vi);
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hypre_SemiRestrict(sdata, R_s, r_s, rc_s);
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}
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return ierr;
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}
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/*--------------------------------------------------------------------------
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* hypre_SysSemiRestrictDestroy
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*--------------------------------------------------------------------------*/
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int
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hypre_SysSemiRestrictDestroy( void *sys_restrict_vdata )
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{
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int ierr = 0;
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hypre_SysSemiRestrictData *sys_restrict_data = sys_restrict_vdata;
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int nvars;
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void **srestrict_data;
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int vi;
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if (sys_restrict_data)
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{
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nvars = (sys_restrict_data -> nvars);
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srestrict_data = (sys_restrict_data -> srestrict_data);
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for (vi = 0; vi < nvars; vi++)
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{
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if (srestrict_data[vi] != NULL)
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{
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hypre_SemiRestrictDestroy(srestrict_data[vi]);
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}
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}
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hypre_TFree(srestrict_data);
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hypre_TFree(sys_restrict_data);
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}
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return ierr;
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}
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