3 * Purpose: X independent general mathed routines
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
7 * Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
9 * License: GNU GPL version 2 or later
15 #include "math_defs.h"
16 #include "symbol_def.h"
19 // This table includes all binary operators and relations
20 struct binary_op_pair { short id, isrel; } binary_op_table[] = {
21 { LM_leq, LMB_RELATION }, { LM_geq, LMB_RELATION },
22 { LM_equiv, LMB_RELATION }, { LM_models, LMB_RELATION },
23 { LM_prec, LMB_RELATION }, { LM_succ, LMB_RELATION },
24 { LM_sim, LMB_RELATION }, { LM_perp, LMB_RELATION },
25 { LM_preceq, LMB_RELATION }, { LM_succeq, LMB_RELATION },
26 { LM_simeq, LMB_RELATION }, { LM_mid, LMB_RELATION },
27 { LM_ll, LMB_RELATION }, { LM_gg, LMB_RELATION },
28 { LM_asymp, LMB_RELATION }, { LM_parallel, LMB_RELATION },
29 { LM_subset, LMB_RELATION }, { LM_supset, LMB_RELATION },
30 { LM_approx, LMB_RELATION }, { LM_smile, LMB_RELATION },
31 { LM_subseteq, LMB_RELATION }, { LM_supseteq, LMB_RELATION },
32 { LM_cong, LMB_RELATION }, { LM_frown, LMB_RELATION },
33 { LM_sqsubseteq, LMB_RELATION }, { LM_sqsupseteq, LMB_RELATION },
34 { LM_doteq, LMB_RELATION }, { LM_neq, LMB_RELATION },
35 { LM_in, LMB_RELATION }, { LM_ni, LMB_RELATION },
36 { LM_propto, LMB_RELATION }, { LM_notin, LMB_RELATION },
37 { LM_vdash, LMB_RELATION }, { LM_dashv, LMB_RELATION },
38 { LM_bowtie, LMB_RELATION },
39 { LM_pm, LMB_OPERATOR }, { LM_cap, LMB_OPERATOR },
40 { LM_diamond, LMB_OPERATOR }, { LM_oplus, LMB_OPERATOR },
41 { LM_mp, LMB_OPERATOR }, { LM_cup, LMB_OPERATOR },
42 { LM_bigtriangleup, LMB_OPERATOR }, { LM_ominus, LMB_OPERATOR },
43 { LM_times, LMB_OPERATOR }, { LM_uplus, LMB_OPERATOR },
44 { LM_bigtriangledown, LMB_OPERATOR }, { LM_otimes, LMB_OPERATOR },
45 { LM_div, LMB_OPERATOR }, { LM_sqcap, LMB_OPERATOR },
46 { LM_triangleright, LMB_OPERATOR }, { LM_oslash, LMB_OPERATOR },
47 { LM_cdot, LMB_OPERATOR }, { LM_sqcup, LMB_OPERATOR },
48 { LM_triangleleft, LMB_OPERATOR }, { LM_odot, LMB_OPERATOR },
49 { LM_star, LMB_OPERATOR }, { LM_vee, LMB_OPERATOR },
50 { LM_amalg, LMB_OPERATOR }, { LM_bigcirc, LMB_OPERATOR },
51 { LM_setminus, LMB_OPERATOR }, { LM_wedge, LMB_OPERATOR },
52 { LM_dagger, LMB_OPERATOR }, { LM_circ, LMB_OPERATOR },
53 { LM_bullet, LMB_OPERATOR }, { LM_wr, LMB_OPERATOR },
54 { LM_ddagger, LMB_OPERATOR }
57 static int compara(const void *a, const void *b)
59 int i = ((binary_op_pair const *)a)->id, j = ((binary_op_pair const*)b)->id;
63 int MathedLookupBOP(short id)
65 static int bopCount = sizeof(binary_op_table) / sizeof(binary_op_pair);
66 static bool issorted = false;
69 qsort(binary_op_table, bopCount, sizeof(binary_op_pair), compara);
73 int result=0, m, k, l= 0, r = bopCount;
77 k = binary_op_table[m].id - id;
79 result = binary_op_table[m].isrel;
82 if (k<0) l = m+1; else r = m;