1 | /* netbits.h |
---|
2 | * Header file for miscellaneous primitive network routines for Survex |
---|
3 | * Copyright (C) 1994,1997,1998,2001 Olly Betts |
---|
4 | * |
---|
5 | * This program is free software; you can redistribute it and/or modify |
---|
6 | * it under the terms of the GNU General Public License as published by |
---|
7 | * the Free Software Foundation; either version 2 of the License, or |
---|
8 | * (at your option) any later version. |
---|
9 | * |
---|
10 | * This program is distributed in the hope that it will be useful, |
---|
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
13 | * GNU General Public License for more details. |
---|
14 | * |
---|
15 | * You should have received a copy of the GNU General Public License |
---|
16 | * along with this program; if not, write to the Free Software |
---|
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
---|
18 | */ |
---|
19 | |
---|
20 | node *StnFromPfx(prefix *name); |
---|
21 | |
---|
22 | linkfor *copy_link(linkfor *leg); |
---|
23 | linkfor *addto_link(linkfor *leg, const linkfor *leg2); |
---|
24 | |
---|
25 | char freeleg(node **stnptr); |
---|
26 | |
---|
27 | void addlegbyname(prefix *fr_name, prefix *to_name, bool fToFirst, |
---|
28 | real dx, real dy, real dz, real vx, real vy, real vz |
---|
29 | #ifndef NO_COVARIANCES |
---|
30 | , real cyz, real czx, real cxy |
---|
31 | #endif |
---|
32 | ); |
---|
33 | |
---|
34 | void process_equate(prefix *name1, prefix *name2); |
---|
35 | |
---|
36 | void addfakeleg(node *fr, node *to, |
---|
37 | real dx, real dy, real dz, real vx, real vy, real vz |
---|
38 | #ifndef NO_COVARIANCES |
---|
39 | , real cyz, real czx, real cxy |
---|
40 | #endif |
---|
41 | ); |
---|
42 | |
---|
43 | /* insert at head of double-linked list */ |
---|
44 | void add_stn_to_list(node **list, node *stn); |
---|
45 | |
---|
46 | /* remove from double-linked list */ |
---|
47 | void remove_stn_from_list(node **list, node *stn); |
---|
48 | |
---|
49 | /* one node must only use leg[0] */ |
---|
50 | #define one_node(S) (!(S)->leg[1] && (S)->leg[0]) |
---|
51 | |
---|
52 | /* two node must only use leg[0] and leg[1] */ |
---|
53 | #define two_node(S) (!(S)->leg[2] && (S)->leg[1]) |
---|
54 | |
---|
55 | /* three node iff it uses leg[2] */ |
---|
56 | #define three_node(S) ((S)->leg[2]) |
---|
57 | |
---|
58 | /* NB FOR_EACH_STN() can't be nested - but it's hard to police as we can't |
---|
59 | * easily set stn_iter to NULL if the loop is exited with break */ |
---|
60 | |
---|
61 | /* Need stn_iter so we can adjust iterator if the stn it points to is deleted */ |
---|
62 | extern node *stn_iter; |
---|
63 | #define FOR_EACH_STN(S,L) \ |
---|
64 | for (stn_iter = (L); ((S) = stn_iter) != NULL;\ |
---|
65 | stn_iter = ((S) == stn_iter) ? stn_iter->next : stn_iter) |
---|
66 | |
---|
67 | #define print_prefix(N) fprint_prefix(stdout, (N)) |
---|
68 | |
---|
69 | char *sprint_prefix(const prefix *ptr); |
---|
70 | void fprint_prefix(FILE *fh, const prefix *ptr); |
---|
71 | |
---|
72 | /* r = ab ; r,a,b are variance matrices */ |
---|
73 | void mulvv(var *r, /*const*/ var *a, /*const*/ var *b); |
---|
74 | |
---|
75 | /* r = ab ; r,a,b are variance matrices */ |
---|
76 | void mulss(var *r, /*const*/ svar *a, /*const*/ svar *b); |
---|
77 | |
---|
78 | /* r = ab ; r,a,b are variance matrices */ |
---|
79 | void smulvs(svar *r, /*const*/ var *a, /*const*/ svar *b); |
---|
80 | |
---|
81 | /* r = ab ; r,b delta vectors; a variance matrix */ |
---|
82 | void mulvd(delta *r, /*const*/ var *a, /*const*/ delta *b); |
---|
83 | |
---|
84 | /* r = ab ; r,b delta vectors; a variance matrix */ |
---|
85 | void mulsd(delta *r, /*const*/ svar *a, /*const*/ delta *b); |
---|
86 | |
---|
87 | /* r = ca ; r,a variance matrices; c real scaling factor */ |
---|
88 | void mulvc(var *r, /*const*/ var *a, real c); |
---|
89 | |
---|
90 | /* r = ca ; r,a variance matrices; c real scaling factor */ |
---|
91 | void mulsc(svar *r, /*const*/ svar *a, real c); |
---|
92 | |
---|
93 | /* r = ca ; r,a delta vectors; c real scaling factor */ |
---|
94 | void muldc(delta *r, /*const*/ delta *a, real c); |
---|
95 | |
---|
96 | /* r = a + b ; r,a,b delta vectors */ |
---|
97 | void adddd(delta *r, /*const*/ delta *a, /*const*/ delta *b); |
---|
98 | |
---|
99 | /* r = a - b ; r,a,b delta vectors */ |
---|
100 | void subdd(delta *r, /*const*/ delta *a, /*const*/ delta *b); |
---|
101 | |
---|
102 | /* r = a + b ; r,a,b variance matrices */ |
---|
103 | void addvv(var *r, /*const*/ var *a, /*const*/ var *b); |
---|
104 | |
---|
105 | /* r = a + b ; r,a,b variance matrices */ |
---|
106 | void addss(svar *r, /*const*/ svar *a, /*const*/ svar *b); |
---|
107 | |
---|
108 | /* r = a - b ; r,a,b variance matrices */ |
---|
109 | void subvv(var *r, /*const*/ var *a, /*const*/ var *b); |
---|
110 | |
---|
111 | /* r = a - b ; r,a,b variance matrices */ |
---|
112 | void subss(svar *r, /*const*/ svar *a, /*const*/ svar *b); |
---|
113 | |
---|
114 | /* r = (b^-1)a ; r,a delta vectors; b variance matrix */ |
---|
115 | void divdv(delta *r, /*const*/ delta *a, /*const*/ var *b); |
---|
116 | |
---|
117 | /* r = (b^-1)a ; r,a delta vectors; b variance matrix */ |
---|
118 | void divds(delta *r, /*const*/ delta *a, /*const*/ svar *b); |
---|
119 | |
---|
120 | /* r = a(b^-1) ; r,a,b variance matrices */ |
---|
121 | void divvv(var *r, /*const*/ var *a, /*const*/ var *b); |
---|
122 | |
---|
123 | /* inv = v^-1 ; inv,v variance matrices */ |
---|
124 | int invert_var(var *inv, /*const*/ var *v); |
---|
125 | |
---|
126 | /* inv = v^-1 ; inv,v variance matrices */ |
---|
127 | int invert_svar(svar *inv, /*const*/ svar *v); |
---|
128 | |
---|
129 | /* Is v zero? */ |
---|
130 | bool fZeros(/*const*/ svar *v); |
---|
131 | |
---|
132 | #ifdef NO_COVARIANCES |
---|
133 | #define mulss mulvv |
---|
134 | #define smulvs mulvv |
---|
135 | #define mulsd mulvd |
---|
136 | #define mulsc mulvc |
---|
137 | #define addss addvv |
---|
138 | #define subss subvv |
---|
139 | #define divds divdv |
---|
140 | #define invert_svar invert_var |
---|
141 | #endif |
---|
142 | |
---|
143 | #define PR "%8.6f" |
---|
144 | |
---|
145 | #ifdef NO_COVARIANCES |
---|
146 | # define print_var(V) printf("("PR","PR","PR")\n", (V)[0], (V)[1], (V)[2]) |
---|
147 | # define print_svar(V) printf("("PR","PR","PR")\n", (V)[0], (V)[1], (V)[2]) |
---|
148 | #else |
---|
149 | # define print_var(V) \ |
---|
150 | printf("/"PR","PR","PR"\\\n|"PR","PR","PR"|\n\\"PR","PR","PR"/\n",\ |
---|
151 | (V)[0][0], (V)[0][1], (V)[0][2],\ |
---|
152 | (V)[1][0], (V)[1][1], (V)[1][2],\ |
---|
153 | (V)[2][0], (V)[2][1], (V)[2][2]) |
---|
154 | # define print_svar(V) \ |
---|
155 | printf("/"PR","PR","PR"\\\n:"PR","PR","PR":\n\\"PR","PR","PR"/\n",\ |
---|
156 | (V)[0], (V)[3], (V)[4],\ |
---|
157 | (V)[3], (V)[1], (V)[5],\ |
---|
158 | (V)[4], (V)[5], (V)[2]) |
---|
159 | #endif |
---|
160 | |
---|
161 | #define print_d(D) printf("("PR","PR","PR")", (D)[0], (D)[1], (D)[2]) |
---|