Qucs-core  0.0.19
check_dataset.cpp
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00001 /*
00002  * check_dataset.cpp - checker for the Qucs dataset
00003  *
00004  * Copyright (C) 2003, 2006 Stefan Jahn <stefan@lkcc.org>
00005  *
00006  * This is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2, or (at your option)
00009  * any later version.
00010  *
00011  * This software is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this package; see the file COPYING.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  * $Id$
00022  *
00023  */
00024 
00025 #if HAVE_CONFIG_H
00026 # include <config.h>
00027 #endif
00028 
00029 #include <stdio.h>
00030 #include <stdlib.h>
00031 #include <string.h>
00032 #include <cmath>
00033 
00034 #include "logging.h"
00035 #include "complex.h"
00036 #include "object.h"
00037 #include "vector.h"
00038 #include "dataset.h"
00039 #include "strlist.h"
00040 #include "check_dataset.h"
00041 
00042 using namespace qucs;
00043 
00044 strlist * dataset_idents = NULL;
00045 dataset * dataset_result = NULL;
00046 vector  * dataset_vector = NULL;
00047 
00048 /* This function is the checker routine for a parsed dataset.  It
00049    returns zero on success or non-zero if the parsed dataset contained
00050    errors. */
00051 int dataset_check (dataset * data) {
00052 
00053   int errors = 0;
00054   vector * v, * d;
00055 
00056   /* check actual size and requested size of independent vectors */
00057   for (v = data->getDependencies (); v != NULL; v = (vector *) v->getNext ()) {
00058     if (v->getSize () != v->getRequested ()) {
00059       logprint (LOG_ERROR, "checker error, vector `%s' contains %d values, "
00060                 "%d have been stated\n", v->getName (), v->getSize (),
00061                 v->getRequested ());
00062       errors++;
00063     }
00064   }
00065 
00066   /* check dependencies of dependent vectors */
00067   for (v = data->getVariables (); v != NULL; v = (vector *) v->getNext ()) {
00068     strlist * s = v->getDependencies ();
00069     /* any dependencies at all ? */
00070     if (s == NULL || s->length () == 0) {
00071       logprint (LOG_ERROR, "checker error, vector `%s' contains no "
00072                 "dependencies\n", v->getName ());
00073       errors++;
00074     }
00075     /* yes */
00076     else {
00077       int n = 1;
00078       /* go through each dependency and check it */
00079       for (strlistiterator it (s); *it; ++it) {
00080         if ((d = data->findDependency (*it)) == NULL) {
00081           logprint (LOG_ERROR, "checker error, no such dependency `%s' as "
00082                     "stated in `%s'\n", *it, v->getName ());
00083           errors++;
00084         }
00085         else {
00086           n *= d->getSize ();
00087         }
00088       }
00089       if (n != 0) {
00090         if (v->getSize () % n != 0) {
00091           logprint (LOG_ERROR, "checker error, size of vector `%s' %d should "
00092                     "be dividable by %d\n", v->getName (), v->getSize (), n);
00093           errors++;
00094         }
00095       }
00096     }
00097   }
00098 
00099   return errors ? -1 : 0;
00100 }