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
31 #include "definitions.h"
34 /* These items are supplied on the command line */
36 extern double WW, HH, aa, bb, cc, dd, ww, hh, Er1, Er2;
37 extern int W, H, a, b, c, d, w, h;
40 void check_parameters_of_create_bmp_for_rect_in_rect(void)
42 if( (Er1<1.0) || (Er2 <1.0))
43 exit_with_msg_and_exit_code((char *) "Both Er1 and Er2 must be >= 1.0",100);
45 exit_with_msg_and_exit_code((char *) "the dielectric extends horizontally outside the box (a+d>W)",100);
47 exit_with_msg_and_exit_code((char *) "the inner conductor extends horizontally beyond the outer conductor(b+w>=W)",101);
49 exit_with_msg_and_exit_code((char *) "The inner conductors's thickness (c) must be greater than zero ",12);
51 exit_with_msg_and_exit_code((char *) "The thickness of dielectric Er2 (h) must be greater than zero ",12);
53 exit_with_msg_and_exit_code((char *) "the inner conductor extends verticaly beyond the outer conductor(c+h>=H)",101);
54 if((WW<=0.0) || (HH<=0.0) || (aa<0.0) || (bb<0.0) || (cc<=0.0) || (dd<=0.0)
55 ||(ww<=0.0) || (hh<=0.0))
56 exit_with_msg_and_exit_code((char *) "W,H,c,d,w, & h must be positive numbers. Non-integers are okay, but they must be >0 \n",102);
60 void check_create_bmp_for_rect_in_circ_int(void)
63 fprintf(stderr,"W=%d H=%d a=%d b=%d c=%d d=%d w=%d h=%d\n",W,H,a,b,c,d,w,h);
65 exit_with_msg_and_exit_code("internal paramter 'a' is less that 1. This indicates the LHS of the dielectric",102);