1 /* mpz expression evaluation, simple part
3 Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
24 #include "expr-impl.h"
27 /* Change this to "#define TRACE(x) x" to get some traces. */
31 /* These are macros, so need function wrappers. */
33 e_mpz_sgn (mpz_srcptr x)
38 e_mpz_odd_p (mpz_srcptr x)
43 e_mpz_even_p (mpz_srcptr x)
45 return mpz_even_p (x);
48 /* These wrapped because MPEXPR_TYPE_I_ functions are expected to return
49 "int" whereas these return "unsigned long". */
51 e_mpz_hamdist (mpz_ptr w, mpz_srcptr x, mpz_srcptr y)
53 mpz_set_ui (w, mpz_hamdist (x, y));
56 e_mpz_popcount (mpz_ptr w, mpz_srcptr x)
58 mpz_set_ui (w, mpz_popcount (x));
61 e_mpz_scan0 (mpz_ptr w, mpz_srcptr x, unsigned long start)
63 mpz_set_ui (w, mpz_scan0 (x, start));
66 e_mpz_scan1 (mpz_ptr w, mpz_srcptr x, unsigned long start)
68 mpz_set_ui (w, mpz_scan1 (x, start));
71 /* These wrapped because they're in-place whereas MPEXPR_TYPE_BINARY_UI
72 expects a separate source and destination. Actually the parser will
73 normally pass w==x anyway. */
75 e_mpz_setbit (mpz_ptr w, mpz_srcptr x, unsigned long n)
82 e_mpz_clrbit (mpz_ptr w, mpz_srcptr x, unsigned long n)
89 static __gmp_const struct mpexpr_operator_t _mpz_expr_standard_table[] = {
91 { "**", (mpexpr_fun_t) mpz_pow_ui,
92 MPEXPR_TYPE_BINARY_UI | MPEXPR_TYPE_RIGHTASSOC, 220 },
94 { "~", (mpexpr_fun_t) mpz_com,
95 MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 },
96 { "!", (mpexpr_fun_t) e_mpz_sgn,
97 MPEXPR_TYPE_LOGICAL_NOT | MPEXPR_TYPE_PREFIX, 210 },
98 { "-", (mpexpr_fun_t) mpz_neg,
99 MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 },
101 { "*", (mpexpr_fun_t) mpz_mul, MPEXPR_TYPE_BINARY, 200 },
102 { "/", (mpexpr_fun_t) mpz_tdiv_q, MPEXPR_TYPE_BINARY, 200 },
103 { "%", (mpexpr_fun_t) mpz_tdiv_r, MPEXPR_TYPE_BINARY, 200 },
105 { "+", (mpexpr_fun_t) mpz_add, MPEXPR_TYPE_BINARY, 190 },
106 { "-", (mpexpr_fun_t) mpz_sub, MPEXPR_TYPE_BINARY, 190 },
108 { "<<", (mpexpr_fun_t) mpz_mul_2exp, MPEXPR_TYPE_BINARY_UI, 180 },
109 { ">>", (mpexpr_fun_t) mpz_tdiv_q_2exp, MPEXPR_TYPE_BINARY_UI, 180 },
111 { "<=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LE, 170 },
112 { "<", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LT, 170 },
113 { ">=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GE, 170 },
114 { ">", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GT, 170 },
116 { "==", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_EQ, 160 },
117 { "!=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_NE, 160 },
119 { "&", (mpexpr_fun_t) mpz_and, MPEXPR_TYPE_BINARY, 150 },
120 { "^", (mpexpr_fun_t) mpz_xor, MPEXPR_TYPE_BINARY, 140 },
121 { "|", (mpexpr_fun_t) mpz_ior, MPEXPR_TYPE_BINARY, 130 },
122 { "&&", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_AND, 120 },
123 { "||", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_OR, 110 },
125 { ":", NULL, MPEXPR_TYPE_COLON, 101 },
126 { "?", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_QUESTION, 100 },
128 { ")", NULL, MPEXPR_TYPE_CLOSEPAREN, 4 },
129 { "(", NULL, MPEXPR_TYPE_OPENPAREN, 3 },
130 { ",", NULL, MPEXPR_TYPE_ARGSEP, 2 },
131 { "$", NULL, MPEXPR_TYPE_VARIABLE, 1 },
133 { "abs", (mpexpr_fun_t) mpz_abs, MPEXPR_TYPE_UNARY },
134 { "bin", (mpexpr_fun_t) mpz_bin_ui, MPEXPR_TYPE_BINARY_UI },
135 { "clrbit", (mpexpr_fun_t) e_mpz_clrbit, MPEXPR_TYPE_BINARY_UI },
136 { "cmp", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_I_BINARY },
137 { "cmpabs", (mpexpr_fun_t) mpz_cmpabs, MPEXPR_TYPE_I_BINARY },
138 { "congruent_p",(mpexpr_fun_t)mpz_congruent_p, MPEXPR_TYPE_I_TERNARY },
139 { "divisible_p",(mpexpr_fun_t)mpz_divisible_p, MPEXPR_TYPE_I_BINARY },
140 { "even_p", (mpexpr_fun_t) e_mpz_even_p, MPEXPR_TYPE_I_UNARY },
141 { "fib", (mpexpr_fun_t) mpz_fib_ui, MPEXPR_TYPE_UNARY_UI },
142 { "fac", (mpexpr_fun_t) mpz_fac_ui, MPEXPR_TYPE_UNARY_UI },
143 { "gcd", (mpexpr_fun_t) mpz_gcd, MPEXPR_TYPE_BINARY
144 | MPEXPR_TYPE_PAIRWISE },
145 { "hamdist", (mpexpr_fun_t) e_mpz_hamdist, MPEXPR_TYPE_BINARY },
146 { "invert", (mpexpr_fun_t) mpz_invert, MPEXPR_TYPE_BINARY },
147 { "jacobi", (mpexpr_fun_t) mpz_jacobi, MPEXPR_TYPE_I_BINARY },
148 { "kronecker", (mpexpr_fun_t) mpz_kronecker, MPEXPR_TYPE_I_BINARY },
149 { "lcm", (mpexpr_fun_t) mpz_lcm, MPEXPR_TYPE_BINARY
150 | MPEXPR_TYPE_PAIRWISE },
151 { "lucnum", (mpexpr_fun_t) mpz_lucnum_ui, MPEXPR_TYPE_UNARY_UI },
152 { "max", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MAX
153 | MPEXPR_TYPE_PAIRWISE },
154 { "min", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MIN
155 | MPEXPR_TYPE_PAIRWISE },
156 { "nextprime", (mpexpr_fun_t) mpz_nextprime, MPEXPR_TYPE_UNARY },
157 { "odd_p", (mpexpr_fun_t) e_mpz_odd_p, MPEXPR_TYPE_I_UNARY },
158 { "perfect_power_p", (mpexpr_fun_t)mpz_perfect_power_p, MPEXPR_TYPE_I_UNARY},
159 { "perfect_square_p",(mpexpr_fun_t)mpz_perfect_square_p,MPEXPR_TYPE_I_UNARY},
160 { "popcount", (mpexpr_fun_t) e_mpz_popcount, MPEXPR_TYPE_UNARY },
161 { "powm", (mpexpr_fun_t) mpz_powm, MPEXPR_TYPE_TERNARY },
162 { "probab_prime_p", (mpexpr_fun_t)mpz_probab_prime_p, MPEXPR_TYPE_I_UNARY},
163 { "root", (mpexpr_fun_t) mpz_root, MPEXPR_TYPE_BINARY_UI },
164 { "scan0", (mpexpr_fun_t) e_mpz_scan0, MPEXPR_TYPE_BINARY_UI },
165 { "scan1", (mpexpr_fun_t) e_mpz_scan1, MPEXPR_TYPE_BINARY_UI },
166 { "setbit", (mpexpr_fun_t) e_mpz_setbit, MPEXPR_TYPE_BINARY_UI },
167 { "tstbit", (mpexpr_fun_t) mpz_tstbit, MPEXPR_TYPE_I_BINARY_UI },
168 { "sgn", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_I_UNARY },
169 { "sqrt", (mpexpr_fun_t) mpz_sqrt, MPEXPR_TYPE_UNARY },
173 /* The table is available globally only through a pointer, so the table size
174 can change without breaking binary compatibility. */
175 __gmp_const struct mpexpr_operator_t * __gmp_const mpz_expr_standard_table
176 = _mpz_expr_standard_table;
181 mpz_expr (mpz_ptr res, int base, __gmp_const char *e, ...)
187 mpz_srcptr var[MPEXPR_VARIABLES];
197 res = va_arg (ap, mpz_ptr);
198 base = va_arg (ap, int);
199 e = va_arg (ap, __gmp_const char *);
202 TRACE (printf ("mpz_expr(): base %d, %s\n", base, e));
203 ret = mpexpr_va_to_var ((void **) var, ap);
206 if (ret != MPEXPR_RESULT_OK)
209 return mpz_expr_a (mpz_expr_standard_table, res, base, e, strlen(e), var);