Annotation of OpenXM_contrib/gmp/demos/expr/exprz.c, Revision 1.1.1.1
1.1 ohara 1: /* mpz expression evaluation, simple part */
2:
3: /*
4: Copyright 2000, 2001 Free Software Foundation, Inc.
5:
6: This file is part of the GNU MP Library.
7:
8: The GNU MP Library is free software; you can redistribute it and/or modify
9: it under the terms of the GNU Lesser General Public License as published by
10: the Free Software Foundation; either version 2.1 of the License, or (at your
11: option) any later version.
12:
13: The GNU MP Library is distributed in the hope that it will be useful, but
14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16: License for more details.
17:
18: You should have received a copy of the GNU Lesser General Public License
19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21: MA 02111-1307, USA.
22: */
23:
24: #include <ctype.h>
25: #include <stdio.h>
26: #include "gmp.h"
27: #include "expr-impl.h"
28:
29:
30: /* Change this to "#define TRACE(x) x" to get some traces. */
31: #define TRACE(x)
32:
33:
34: /* These are macros, so need function wrappers. */
35: static int
36: e_mpz_sgn (mpz_srcptr x)
37: {
38: return mpz_sgn (x);
39: }
40: static int
41: e_mpz_odd_p (mpz_srcptr x)
42: {
43: return mpz_odd_p (x);
44: }
45: static int
46: e_mpz_even_p (mpz_srcptr x)
47: {
48: return mpz_even_p (x);
49: }
50:
51: /* These wrapped because MPEXPR_TYPE_I_ functions are expected to return
52: "int" whereas these return "unsigned long". */
53: static void
54: e_mpz_hamdist (mpz_ptr w, mpz_srcptr x, mpz_srcptr y)
55: {
56: mpz_set_ui (w, mpz_hamdist (x, y));
57: }
58: static void
59: e_mpz_popcount (mpz_ptr w, mpz_srcptr x)
60: {
61: mpz_set_ui (w, mpz_popcount (x));
62: }
63: static void
64: e_mpz_scan0 (mpz_ptr w, mpz_srcptr x, unsigned long start)
65: {
66: mpz_set_ui (w, mpz_scan0 (x, start));
67: }
68: static void
69: e_mpz_scan1 (mpz_ptr w, mpz_srcptr x, unsigned long start)
70: {
71: mpz_set_ui (w, mpz_scan1 (x, start));
72: }
73:
74: /* These wrapped because they're in-place whereas MPEXPR_TYPE_BINARY_UI
75: expects a separate source and destination. Actually the parser will
76: normally pass w==x anyway. */
77: static void
78: e_mpz_setbit (mpz_ptr w, mpz_srcptr x, unsigned long n)
79: {
80: if (w != x)
81: mpz_set (w, x);
82: mpz_setbit (w, n);
83: }
84: static void
85: e_mpz_clrbit (mpz_ptr w, mpz_srcptr x, unsigned long n)
86: {
87: if (w != x)
88: mpz_set (w, x);
89: mpz_clrbit (w, n);
90: }
91:
92: static __gmp_const struct mpexpr_operator_t _mpz_expr_standard_table[] = {
93:
94: { "**", (mpexpr_fun_t) mpz_pow_ui,
95: MPEXPR_TYPE_BINARY_UI | MPEXPR_TYPE_RIGHTASSOC, 220 },
96:
97: { "~", (mpexpr_fun_t) mpz_com,
98: MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 },
99: { "!", (mpexpr_fun_t) e_mpz_sgn,
100: MPEXPR_TYPE_LOGICAL_NOT | MPEXPR_TYPE_PREFIX, 210 },
101: { "-", (mpexpr_fun_t) mpz_neg,
102: MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 },
103:
104: { "*", (mpexpr_fun_t) mpz_mul, MPEXPR_TYPE_BINARY, 200 },
105: { "/", (mpexpr_fun_t) mpz_tdiv_q, MPEXPR_TYPE_BINARY, 200 },
106: { "%", (mpexpr_fun_t) mpz_tdiv_r, MPEXPR_TYPE_BINARY, 200 },
107:
108: { "+", (mpexpr_fun_t) mpz_add, MPEXPR_TYPE_BINARY, 190 },
109: { "-", (mpexpr_fun_t) mpz_sub, MPEXPR_TYPE_BINARY, 190 },
110:
111: { "<<", (mpexpr_fun_t) mpz_mul_2exp, MPEXPR_TYPE_BINARY_UI, 180 },
112: { ">>", (mpexpr_fun_t) mpz_tdiv_q_2exp, MPEXPR_TYPE_BINARY_UI, 180 },
113:
114: { "<=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LE, 170 },
115: { "<", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LT, 170 },
116: { ">=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GE, 170 },
117: { ">", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GT, 170 },
118:
119: { "==", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_EQ, 160 },
120: { "!=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_NE, 160 },
121:
122: { "&", (mpexpr_fun_t) mpz_and, MPEXPR_TYPE_BINARY, 150 },
123: { "^", (mpexpr_fun_t) mpz_xor, MPEXPR_TYPE_BINARY, 140 },
124: { "|", (mpexpr_fun_t) mpz_ior, MPEXPR_TYPE_BINARY, 130 },
125: { "&&", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_AND, 120 },
126: { "||", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_OR, 110 },
127:
128: { ":", NULL, MPEXPR_TYPE_COLON, 101 },
129: { "?", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_QUESTION, 100 },
130:
131: { ")", NULL, MPEXPR_TYPE_CLOSEPAREN, 4 },
132: { "(", NULL, MPEXPR_TYPE_OPENPAREN, 3 },
133: { ",", NULL, MPEXPR_TYPE_ARGSEP, 2 },
134: { "$", NULL, MPEXPR_TYPE_VARIABLE, 1 },
135:
136: { "abs", (mpexpr_fun_t) mpz_abs, MPEXPR_TYPE_UNARY },
137: { "bin", (mpexpr_fun_t) mpz_bin_ui, MPEXPR_TYPE_BINARY_UI },
138: { "clrbit", (mpexpr_fun_t) e_mpz_clrbit, MPEXPR_TYPE_BINARY_UI },
139: { "cmp", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_I_BINARY },
140: { "cmpabs", (mpexpr_fun_t) mpz_cmpabs, MPEXPR_TYPE_I_BINARY },
141: { "congruent_p",(mpexpr_fun_t)mpz_congruent_p, MPEXPR_TYPE_I_TERNARY },
142: { "divisible_p",(mpexpr_fun_t)mpz_divisible_p, MPEXPR_TYPE_I_BINARY },
143: { "even_p", (mpexpr_fun_t) e_mpz_even_p, MPEXPR_TYPE_I_UNARY },
144: { "fib", (mpexpr_fun_t) mpz_fib_ui, MPEXPR_TYPE_UNARY_UI },
145: { "fac", (mpexpr_fun_t) mpz_fac_ui, MPEXPR_TYPE_UNARY_UI },
146: { "gcd", (mpexpr_fun_t) mpz_gcd, MPEXPR_TYPE_BINARY
147: | MPEXPR_TYPE_PAIRWISE },
148: { "hamdist", (mpexpr_fun_t) e_mpz_hamdist, MPEXPR_TYPE_BINARY },
149: { "invert", (mpexpr_fun_t) mpz_invert, MPEXPR_TYPE_BINARY },
150: { "jacobi", (mpexpr_fun_t) mpz_jacobi, MPEXPR_TYPE_I_BINARY },
151: { "kronecker", (mpexpr_fun_t) mpz_kronecker, MPEXPR_TYPE_I_BINARY },
152: { "lcm", (mpexpr_fun_t) mpz_lcm, MPEXPR_TYPE_BINARY
153: | MPEXPR_TYPE_PAIRWISE },
154: { "lucnum", (mpexpr_fun_t) mpz_lucnum_ui, MPEXPR_TYPE_UNARY_UI },
155: { "max", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MAX
156: | MPEXPR_TYPE_PAIRWISE },
157: { "min", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MIN
158: | MPEXPR_TYPE_PAIRWISE },
159: { "nextprime", (mpexpr_fun_t) mpz_nextprime, MPEXPR_TYPE_UNARY },
160: { "odd_p", (mpexpr_fun_t) e_mpz_odd_p, MPEXPR_TYPE_I_UNARY },
161: { "perfect_power_p", (mpexpr_fun_t)mpz_perfect_power_p, MPEXPR_TYPE_I_UNARY},
162: { "perfect_square_p",(mpexpr_fun_t)mpz_perfect_square_p,MPEXPR_TYPE_I_UNARY},
163: { "popcount", (mpexpr_fun_t) e_mpz_popcount, MPEXPR_TYPE_UNARY },
164: { "powm", (mpexpr_fun_t) mpz_powm, MPEXPR_TYPE_TERNARY },
165: { "probab_prime_p", (mpexpr_fun_t)mpz_probab_prime_p, MPEXPR_TYPE_I_UNARY},
166: { "root", (mpexpr_fun_t) mpz_root, MPEXPR_TYPE_BINARY_UI },
167: { "scan0", (mpexpr_fun_t) e_mpz_scan0, MPEXPR_TYPE_BINARY_UI },
168: { "scan1", (mpexpr_fun_t) e_mpz_scan1, MPEXPR_TYPE_BINARY_UI },
169: { "setbit", (mpexpr_fun_t) e_mpz_setbit, MPEXPR_TYPE_BINARY_UI },
170: { "tstbit", (mpexpr_fun_t) mpz_tstbit, MPEXPR_TYPE_I_BINARY_UI },
171: { "sgn", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_I_UNARY },
172: { "sqrt", (mpexpr_fun_t) mpz_sqrt, MPEXPR_TYPE_UNARY },
173: { NULL }
174: };
175:
176: /* The table is available globally only through a pointer, so the table size
177: can change without breaking binary compatibility. */
178: __gmp_const struct mpexpr_operator_t * __gmp_const mpz_expr_standard_table
179: = _mpz_expr_standard_table;
180:
181:
182: int
183: #if HAVE_STDARG
184: mpz_expr (mpz_ptr res, int base, __gmp_const char *e, ...)
185: #else
186: mpz_expr (va_alist)
187: va_dcl
188: #endif
189: {
190: mpz_srcptr var[MPEXPR_VARIABLES];
191: va_list ap;
192: int ret;
193: #if HAVE_STDARG
194: va_start (ap, e);
195: #else
196: mpz_ptr res;
197: int base;
198: __gmp_const char *e;
199: va_start (ap);
200: res = va_arg (ap, mpz_ptr);
201: base = va_arg (ap, int);
202: e = va_arg (ap, __gmp_const char *);
203: #endif
204:
205: TRACE (printf ("mpz_expr(): base %d, %s\n", base, e));
206: ret = mpexpr_va_to_var ((void **) var, ap);
207: va_end (ap);
208:
209: if (ret != MPEXPR_RESULT_OK)
210: return ret;
211:
212: return mpz_expr_a (mpz_expr_standard_table, res, base, e, strlen(e), var);
213: }
214:
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