solver: Add private statistics api

No point in keeping these counters without
a way to show them.
This commit is contained in:
Matthias Clasen 2019-06-29 17:38:36 +00:00 committed by Emmanuele Bassi
parent 9edf6fb6cb
commit cb96b34315
2 changed files with 41 additions and 0 deletions

View File

@ -1485,6 +1485,8 @@ gtk_constraint_solver_create_variable (GtkConstraintSolver *self,
res = gtk_constraint_variable_new (prefix, name);
gtk_constraint_variable_set_value (res, value);
self->var_counter++;
return res;
}
@ -2207,3 +2209,39 @@ gtk_constraint_solver_to_string (GtkConstraintSolver *solver)
return g_string_free (buf, FALSE);
}
char *
gtk_constraint_solver_statistics (GtkConstraintSolver *solver)
{
GString *buf = g_string_new (NULL);
g_string_append_printf (buf, "Variables: %d\n", solver->var_counter);
g_string_append_printf (buf, "Slack vars: %d\n", solver->slack_counter);
g_string_append_printf (buf, "Artificial vars: %d\n", solver->artificial_counter);
g_string_append_printf (buf, "Dummy vars: %d\n", solver->dummy_counter);
g_string_append_printf (buf, "Stay vars: %d\n", g_hash_table_size (solver->stay_var_map));
g_string_append_printf (buf, "Optimize count: %d\n", solver->optimize_count);
g_string_append_printf (buf, "Rows: %d\n", g_hash_table_size (solver->rows));
g_string_append_printf (buf, "Columns: %d\n", g_hash_table_size (solver->columns));
if (g_hash_table_size (solver->columns) > 0)
{
GHashTableIter iter;
gpointer val;
double sum = 0;
g_hash_table_iter_init (&iter, solver->columns);
while (g_hash_table_iter_next (&iter, NULL, &val))
{
GtkConstraintVariableSet *set = val;
sum += gtk_constraint_variable_set_size (set);
}
g_string_append_printf (buf, "Avg column size: %g\n", sum / g_hash_table_size (solver->columns));
}
g_string_append_printf (buf, "Infeasible rows: %d\n", solver->infeasible_rows->len);
g_string_append_printf (buf, "External basic variables: %d\n", g_hash_table_size (solver->external_rows));
g_string_append_printf (buf, "External parametric variables: %d\n", g_hash_table_size (solver->external_parametric_vars));
return g_string_free (buf, FALSE);
}

View File

@ -142,4 +142,7 @@ gtk_constraint_solver_clear (GtkConstraintSolver *solver);
char *
gtk_constraint_solver_to_string (GtkConstraintSolver *solver);
char *
gtk_constraint_solver_statistics (GtkConstraintSolver *solver);
G_END_DECLS