LIS_INT lis_gmres_malloc_work(LIS_SOLVER solver)
{
LIS_VECTOR *work;
LIS_INT i,j,restart,worklen,err;
LIS_DEBUG_FUNC_IN;
restart = solver->options[LIS_OPTIONS_RESTART];
worklen = NWORK + (restart+1);
work = (LIS_VECTOR *)lis_malloc( worklen*sizeof(LIS_VECTOR),"lis_gmres_malloc_work::work" );
if( work==NULL )
{
LIS_SETERR_MEM(worklen*sizeof(LIS_VECTOR));
return LIS_ERR_OUT_OF_MEMORY;
}
if( solver->precision==LIS_PRECISION_DEFAULT )
{
for(i=1;i<worklen;i++)
{
err = lis_vector_duplicate(solver->A,&work[i]);
if( err ) break;
}
}
else
{
for(i=1;i<worklen;i++)
{
err = lis_vector_duplicateex(LIS_PRECISION_QUAD,solver->A,&work[i]);
if( err ) break;
memset(work[i]->value_lo,0,solver->A->np*sizeof(LIS_SCALAR));
}
}
if( i<worklen )
{
for(j=1;j<i;j++) lis_vector_destroy(work[j]);
lis_free(work);
return err;
}
if( solver->precision==LIS_PRECISION_DEFAULT )
{
lis_vector_create(solver->A->comm,&work[0]);
}
else
{
lis_vector_createex(LIS_PRECISION_QUAD,solver->A->comm,&work[0]);
}
lis_vector_set_size(work[0],restart+1,0);
solver->worklen = worklen;
solver->work = work;
LIS_DEBUG_FUNC_OUT;
return LIS_SUCCESS;
}
LIS_INT lis_vector_create(LIS_Comm comm, LIS_VECTOR *vec)
{
LIS_INT err;
LIS_DEBUG_FUNC_IN;
err = lis_vector_createex(LIS_PRECISION_DEFAULT,comm,vec);
if( err ) return err;
LIS_DEBUG_FUNC_OUT;
return LIS_SUCCESS;
}
