/**
* @brief Free a not more useful mps_context.
*
* @param s the mps_context struct pointer to free.
*/
void
mps_context_free (mps_context * s)
{
if (s->initialized)
mps_free_data (s);
free (s->input_config);
free (s->output_config);
/* Check if secular equation or monomial poly need to be freed */
if (s->active_poly != NULL)
mps_polynomial_free (s, s->active_poly);
s->active_poly = NULL;
if (s->secular_equation)
mps_secular_equation_free (s, MPS_POLYNOMIAL (s->secular_equation));
/* Close input and output streams if they're not stdin, stdout and
* stderr */
if (s->instr != stdin && s->instr != NULL)
fclose (s->instr);
if (s->logstr != stderr && s->logstr != stdout && s->logstr != NULL)
fclose (s->logstr);
free (s);
}
void*
cleanup_context (mps_context * ctx, void * user_data)
{
/* Check for errors */
if (mps_context_has_errors (ctx))
{
mps_print_errors (ctx);
return NULL;
}
/* Output the roots */
mps_output (ctx);
#ifdef HAVE_GRAPHICAL_DEBUGGER
if (logger_closed)
gtk_main_quit ();
else if (logger)
{
/* In the other case copy the approximation in the right place
* so the logger can display them again. */
int i = 0;
mps_approximation ** approximations = malloc (sizeof (mps_approximation*) * ctx->n);
for (i = 0; i < ctx->n; i++)
approximations[i] = mps_approximation_copy (ctx, ctx->root[i]);
mps_iteration_logger_set_roots (logger, approximations, ctx->n);
}
#endif
/* Free used data */
if (poly)
mps_polynomial_free (ctx, poly);
mps_context_free (ctx);
s = NULL;
return NULL;
}
/**
* @brief This function tests the resolution of a polynomial file
* referenced by <code>pol</code>.
*/
int
test_secsolve_on_pol_impl (test_pol * pol, mps_output_goal goal, mps_boolean jacobi_iterations)
{
mpc_t root, ctmp;
mps_boolean passed = true;
int i, j, zero_roots = 0;
char ch;
rdpe_t eps;
mps_polynomial * poly = NULL;
/* Check the roots */
FILE* result_stream = fopen (pol->res_file, "r");
FILE* input_stream = fopen (pol->pol_file, "r");
rdpe_set_2dl (eps, 1.0, -pol->out_digits);
if (!result_stream)
{
error_test_message ("no results file found", pol->pol_file);
return EXIT_FAILURE;
}
if (!input_stream)
{
error_test_message ("no polynomial file found", pol->pol_file);
return EXIT_FAILURE;
}
/* Create a new empty mps_context */
mps_context * s = mps_context_new ();
if ((getenv ("MPS_VERBOSE_TEST") && strstr (pol->pol_file, getenv ("MPS_VERBOSE_TEST"))) || pol->DOLOG)
mps_context_set_debug_level (s, MPS_DEBUG_TRACE);
/* Load the polynomial that has been given to us */
poly = mps_parse_stream (s, input_stream);
mps_context_set_input_poly (s, poly);
starting_test_message (pol->pol_file);
mps_context_set_output_prec (s, pol->out_digits);
mps_context_set_output_goal (s, goal);
mps_context_set_jacobi_iterations (s, jacobi_iterations);
/* Solve it */
mps_context_select_algorithm (s, (pol->ga) ? MPS_ALGORITHM_SECULAR_GA : MPS_ALGORITHM_STANDARD_MPSOLVE);
mps_mpsolve (s);
mpc_init2 (root, mps_context_get_data_prec_max (s));
mpc_init2 (ctmp, mps_context_get_data_prec_max (s));
/* Test if roots are equal to the roots provided in the check */
passed = true;
rdpe_t * drad = rdpe_valloc (mps_context_get_degree (s));
mpc_t * mroot = mpc_valloc (mps_context_get_degree (s));
mpc_vinit2 (mroot, mps_context_get_degree (s), mps_context_get_data_prec_max (s));
mps_context_get_roots_m (s, &mroot, &drad);
for (i = 0; i < mps_context_get_degree (s); i++)
{
rdpe_t rtmp;
cdpe_t cdtmp;
rdpe_t min_dist;
int found_root = 0;
rdpe_t exp_drad;
while (isspace (ch = getc (result_stream)))
;
ungetc (ch, result_stream);
mpc_inp_str (root, result_stream, 10);
if (mpc_eq_zero (root))
{
zero_roots++;
/* We need to read it another time. This seems a bug in
* mpc_inp_str, but I don't get why is necessary. */
mpc_inp_str (root, result_stream, 10);
continue;
}
mpc_sub (ctmp, root, mroot[0]);
mpc_get_cdpe (cdtmp, ctmp);
cdpe_mod (rtmp, cdtmp);
rdpe_set (min_dist, rtmp);
if (getenv ("MPS_VERBOSE_TEST") && (strstr (pol->pol_file, getenv ("MPS_VERBOSE_TEST"))))
{
printf ("Read root_%d = ", i);
mpc_out_str_2 (stdout, 10, mps_context_get_data_prec_max (s), mps_context_get_data_prec_max (s),
root);
printf ("\n");
}
for (j = 1; j < mps_context_get_degree (s); j++)
{
mpc_sub (ctmp, root, mroot[j]);
mpc_get_cdpe (cdtmp, ctmp);
cdpe_mod (rtmp, cdtmp);
if (rdpe_le (rtmp, min_dist))
{
rdpe_set (min_dist, rtmp);
found_root = j;
}
}
mpc_get_cdpe (cdtmp, mroot[found_root]);
cdpe_mod (rtmp, cdtmp);
rdpe_mul_eq (rtmp, eps);
rdpe_set (exp_drad, rtmp);
rdpe_div_eq_d (min_dist, 1 + 4.0 * DBL_EPSILON);
if ((!rdpe_le (min_dist, drad[found_root]) && !rdpe_gt (drad[found_root], exp_drad)) && !mps_context_get_over_max (s))
{
passed = false;
if (getenv ("MPS_VERBOSE_TEST") && (strstr (pol->pol_file, getenv ("MPS_VERBOSE_TEST"))))
{
printf ("Failing on root %d, with min_dist = ", found_root);
rdpe_out_str (stdout, min_dist);
printf ("\ndrad_%d", found_root);
rdpe_out_str (stdout, drad[found_root]);
printf ("\n");
printf ("Approximation_%d = ", found_root);
mpc_out_str_2 (stdout, 10, -rdpe_Esp (drad[found_root]), -rdpe_Esp (drad[found_root]), mroot[found_root]);
printf ("\n");
}
}
}
if (zero_roots != mps_context_get_zero_roots (s))
passed = false;
if ((getenv ("MPS_VERBOSE_TEST") && strstr (pol->pol_file, getenv ("MPS_VERBOSE_TEST"))) || pol->DOLOG)
{
/* mps_context_set_output_format (s, MPS_OUTPUT_FORMAT_GNUPLOT_FULL); */
mps_output (s);
}
fclose (result_stream);
mpc_clear (ctmp);
mpc_clear (root);
mpc_vclear (mroot, mps_context_get_degree (s));
free (mroot);
free (drad);
mps_polynomial_free (s, poly);
mps_context_free (s);
if (passed)
success_test_message (pol->pol_file);
else
failed_test_message (pol->pol_file);
if (getenv ("MPS_VERBOSE_TEST"))
fail_unless (passed == true,
"Computed results are not exact to the required "
"precision.\n" "\n" " Dumping test configuration: \n"
" => Polynomial file: %s;\n" " => Required digits: %d\n"
" => Gemignani's approach: %s;\n"
" => Starting phase: %s;\n", pol->pol_file, pol->out_digits,
mps_boolean_to_string (pol->ga),
(pol->phase == float_phase) ? "float_phase" : "dpe_phase");
else
fail_unless (passed == true,
"Computed results are not exact to the required precision");
return passed;
}