1 /* atlc - arbitrary transmission line calculator, for the analysis of
2 transmission lines are directional couplers.
4 Copyright (C) 2002. Dr. David Kirkby, PhD (G8WRB).
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either package_version 2
9 of the License, or (at your option) any later package_version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 Dr. David Kirkby, e-mail drkirkby at ntlworld.com
39 #include "definitions.h"
40 #include "exit_codes.h"
42 /* names, colours and Ers are all arrays of 10. It would be better they were
43 in a structure as they are all linked closely, but they are not and I
44 can't be bothered to change it */
48 /* This function checks to see if the errors on the grid are too large.
49 A problem occurs if a number was zero, so this needs to be carefullly
52 void check_error(double user, int create_bmp_for_rect_in_rect, double gridsize, const char *name)
54 double fractional_error;
55 fractional_error=fabs((user-(create_bmp_for_rect_in_rect*gridsize))/user);
58 if(fractional_error > UNACCEPTABLE_ERROR)
60 fprintf(stderr,"Error #14. Unacceptable %f%% error in representing %s on the grid\n", fractional_error*100.0, name);
61 fprintf(stderr,"Try increasing the bitmap size with the -b option\n");
62 exit_with_msg_and_exit_code("exiting ...",UNACCEPTABLE_ERROR_WHEN_CONVERTING_TO_INTEGERS);
64 else if(fractional_error > ACCEPTABLE_ERROR)
65 fprintf(stderr,"*WARNING* %f%% error in representing %s on the grid\n", fractional_error*100.0, name);