void test_quaddobl_container ( void )
{
int fail,n,i,t,deg;
fail = syscon_read_quaddobl_system();
fail = syscon_write_quaddobl_system();
fail = syscon_number_of_quaddobl_polynomials(&n);
printf("number of polynomials : %d\n",n);
printf("number of terms in each polynomial :");
for(i=1; i<=n; i++)
{
fail = syscon_number_of_quaddobl_terms(i,&t);
printf(" %d",t);
}
printf("\ndegree of each polynomial :");
for(i=1; i<=n; i++)
{
fail = syscon_degree_of_quaddobl_polynomial(i,°);
printf(" %d",deg);
}
printf("\nthe polynomials as strings :\n");
for(i=1; i<=n; i++)
{
char buffer[4000];
int nc;
fail = syscon_load_quaddobl_polynomial(i,&nc,buffer);
printf("polynomial %d : %s\n",i,buffer);
}
printf("\n");
test_symbol_table();
}
void quaddobl_dimensions_broadcast ( int myid, int *nbequ, int *nbvar )
{
int fail,m;
if(v>0) printf("Node %d has entered dimensions_broadcast.\n", myid);
MPI_Bcast(nbequ,1,MPI_INT,0,MPI_COMM_WORLD);
MPI_Bcast(nbvar,1,MPI_INT,0,MPI_COMM_WORLD);
if(myid != 0)
{
if(v>0)
{
printf("Node %d has the number of equations as %d.\n", myid, *nbequ);
printf("Node %d has the number of variables as %d.\n", myid, *nbvar);
}
/* initialize container */
fail = syscon_initialize_number_of_quaddobl_polynomials(*nbequ);
if(v>0)
{ /* get dimension as test */
fail = syscon_number_of_quaddobl_polynomials(&m);
printf(" and initialized container with dimension %d.\n", m);
}
}
if(v>0) printf("Node %d is leaving dimensions_broadcast.\n", myid);
}
int quaddobl_polysys_solver ( void )
{
int fail,nbq,nbtasks,topdim,filter,factor,verbose;
fail = syscon_read_quaddobl_system();
fail = syscon_number_of_quaddobl_polynomials(&nbq);
printf("-> read %d polynomials\n", nbq);
printf("\n");
read_solver_options(&nbtasks,&topdim,&filter,&factor,&verbose);
printf("\nCalling the solver ...\n\n");
fail = quaddobl_polysys_solve(nbtasks,topdim,filter,factor,verbose);
fail = quaddobl_polysys_write(topdim);
return fail;
}
void test_quaddobl_Newton_step ( void )
{
int fail,dim,len;
printf("\nRunning Newton step with quad double arithmetic ...\n");
fail = syscon_read_quaddobl_system();
fail = syscon_number_of_quaddobl_polynomials(&dim);
printf("The system container has %d polynomials.\n",dim);
fail = solcon_read_quaddobl_solutions();
fail = solcon_number_of_quaddobl_solutions(&len);
printf("The solution container has size %d.\n",len);
fail = solcon_dimension_of_quaddobl_solutions(&dim);
printf("The solutions in the container have dimension %d.\n",dim);
fail = quaddobl_Newton_step();
printf("The solutions after the Newton step :\n");
fail = solcon_write_quaddobl_solutions();
}
int quaddobl_run ( int myid, int nbrp, int nbc, char* outfile, int verbose )
{
int fail,dim,nbsols,mysolnum,len,*nbpaths;
double startwtime,endwtime,wtime,*time;
startwtime = MPI_Wtime();
if(myid == 0)
{
time = (double*)calloc(nbrp,sizeof(double));
nbpaths = (int*)calloc(nbrp,sizeof(int));
fail = read_quaddobl_target_system_without_solutions();
fail = copy_quaddobl_target_system_to_container();
fail = syscon_number_of_quaddobl_polynomials(&dim);
fail = write_quaddobl_target_system();
}
quaddobl_dimensions_broadcast(myid,&dim,&dim);
if(verbose > 0) printf("Process %d has dimension %d.\n",myid,dim);
quaddobl_monomials_broadcast(myid,dim);
if(myid != 0) fail = copy_quaddobl_container_to_target_system();
if(verbose > 0)
if(myid == 1) fail = write_quaddobl_target_system();
if(myid == 0)
{
fail = read_quaddobl_start_system();
fail = copy_quaddobl_start_system_to_container();
fail = write_quaddobl_start_system(); // writes to file
fail = write_quaddobl_start_solutions(); // writes solutions to file
fail = copy_quaddobl_start_solutions_to_container();
fail = solcon_number_of_quaddobl_solutions(&nbsols);
if(verbose>0) printf("Read %d start solutions.\n",nbsols);
}
else
fail = syscon_initialize_number_of_quaddobl_polynomials(dim);
quaddobl_monomials_broadcast(myid,dim); // broadcast start system
if(myid != 0) fail = copy_quaddobl_container_to_start_system();
if(verbose > 0)
if(myid == 1) fail = write_quaddobl_start_system();
parameters_broadcast(myid,nbrp,1);
MPI_Bcast(&nbsols,1,MPI_INT,0,MPI_COMM_WORLD);
quaddobl_solutions_distribute(myid,nbsols,dim,nbrp,&mysolnum,verbose);
fail = solcon_number_of_quaddobl_solutions(&len);
if(verbose > 0) printf("Node %d has %d solutions.\n",myid,len);
if(myid > 0)
{
fail = copy_quaddobl_container_to_start_solutions();
fail = quaddobl_track_paths(myid,nbrp,nbc,outfile,verbose);
}
quaddobl_solutions_collect(myid,nbsols,dim,nbrp,mysolnum);
if(myid == 0)
{
fail = copy_quaddobl_container_to_target_solutions();
fail = write_quaddobl_target_solutions();
}
endwtime = MPI_Wtime();
wtime = endwtime-startwtime;
MPI_Gather(&wtime,1,MPI_DOUBLE,time,1,MPI_DOUBLE,0,MPI_COMM_WORLD);
MPI_Gather(&mysolnum,1,MPI_INT,nbpaths,1,MPI_INT,0,MPI_COMM_WORLD);
if(myid == 0)
{
nbpaths[0] = nbsols;
write_time_and_paths_to_defined_output_file(nbrp,time,nbpaths);
free(time); free(nbpaths);
}
return 0;
}
void ada_read_sys ( int verbose, PolySys& sys )
{
int fail,nbsym;
fail = syscon_number_of_symbols(&nbsym);
if(verbose > 0)
{
std::cout << "the system is .." << std::endl;
fail = syscon_write_quaddobl_system();
std::cout << "the number of symbols : " << nbsym << std::endl;
}
int s_dim = 80*nbsym;
char *s = (char*) calloc(s_dim,sizeof(char));
fail = syscon_string_of_symbols(&s_dim, s);
string* x_names;
int dim = 0;
var_name(s, s_dim, x_names, dim);
int i = 1;
if(verbose > 0) std::cout << "dim = " << dim << std::endl;
double c[8]; /* two consecutive quad doubles are real and imag parts */
int d[dim];
int n_eq = 0;
fail = syscon_number_of_quaddobl_polynomials(&n_eq);
sys.n_eq = n_eq;
sys.dim = dim;
sys.eq_space = new PolyEq[n_eq];
sys.pos_var = x_names;
PolyEq* tmp_eq = sys.eq_space;
for(int i=1; i<n_eq+1; i++)
{
int nt;
fail = syscon_number_of_quaddobl_terms(i,&nt);
if(verbose > 0)
std::cout << " #terms in polynomial " << i << " : " << nt << std::endl;
tmp_eq->n_mon = nt;
tmp_eq->dim = dim;
for(int j=1; j<=nt; j++)
{
fail = syscon_retrieve_quaddobl_term(i,j,dim,d,c);
if(verbose > 0)
{
std::cout << c[0] << " " << c[2] << std::endl;
for (int k=0; k<dim; k++) std::cout << " " << d[k];
std::cout << std::endl;
}
bool constant_term = true;
for(int k=0; k<dim; k++)
if(d[k]!=0) constant_term = false;
if(constant_term==true)
{
tmp_eq->n_mon--;
tmp_eq->constant += CT(c[0],c[4]);
//std::cout << "constant " << c[0] << " " << c[1] << std::endl;
}
else
{
T1 cffs[4];
T1 realpcff;
T1 imagpcff;
realpcff.x[0] = c[0];
realpcff.x[1] = c[1];
realpcff.x[2] = c[2];
realpcff.x[3] = c[3];
imagpcff.x[0] = c[4];
imagpcff.x[1] = c[5];
imagpcff.x[2] = c[6];
imagpcff.x[3] = c[7];
cffs[0] = realpcff;
cffs[1] = imagpcff;
PolyMon* a = new PolyMon(dim,d,cffs);
tmp_eq->mon.push_back(a);
}
}
if(verbose > 0) tmp_eq->print(x_names);
sys.eq.push_back(tmp_eq);
tmp_eq++;
}
if(verbose > 0)
{
sys.print();
std::cout << "End" << std::endl;
}
}