/* mpz expression evaluation, simple part Copyright 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU MP Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU MP Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include "gmp.h" #include "expr-impl.h" /* Change this to "#define TRACE(x) x" to get some traces. */ #define TRACE(x) /* These are macros, so need function wrappers. */ static int e_mpz_sgn (mpz_srcptr x) { return mpz_sgn (x); } static int e_mpz_odd_p (mpz_srcptr x) { return mpz_odd_p (x); } static int e_mpz_even_p (mpz_srcptr x) { return mpz_even_p (x); } /* These wrapped because MPEXPR_TYPE_I_ functions are expected to return "int" whereas these return "unsigned long". */ static void e_mpz_hamdist (mpz_ptr w, mpz_srcptr x, mpz_srcptr y) { mpz_set_ui (w, mpz_hamdist (x, y)); } static void e_mpz_popcount (mpz_ptr w, mpz_srcptr x) { mpz_set_ui (w, mpz_popcount (x)); } static void e_mpz_scan0 (mpz_ptr w, mpz_srcptr x, unsigned long start) { mpz_set_ui (w, mpz_scan0 (x, start)); } static void e_mpz_scan1 (mpz_ptr w, mpz_srcptr x, unsigned long start) { mpz_set_ui (w, mpz_scan1 (x, start)); } /* These wrapped because they're in-place whereas MPEXPR_TYPE_BINARY_UI expects a separate source and destination. Actually the parser will normally pass w==x anyway. */ static void e_mpz_setbit (mpz_ptr w, mpz_srcptr x, unsigned long n) { if (w != x) mpz_set (w, x); mpz_setbit (w, n); } static void e_mpz_clrbit (mpz_ptr w, mpz_srcptr x, unsigned long n) { if (w != x) mpz_set (w, x); mpz_clrbit (w, n); } static __gmp_const struct mpexpr_operator_t _mpz_expr_standard_table[] = { { "**", (mpexpr_fun_t) mpz_pow_ui, MPEXPR_TYPE_BINARY_UI | MPEXPR_TYPE_RIGHTASSOC, 220 }, { "~", (mpexpr_fun_t) mpz_com, MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 }, { "!", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_NOT | MPEXPR_TYPE_PREFIX, 210 }, { "-", (mpexpr_fun_t) mpz_neg, MPEXPR_TYPE_UNARY | MPEXPR_TYPE_PREFIX, 210 }, { "*", (mpexpr_fun_t) mpz_mul, MPEXPR_TYPE_BINARY, 200 }, { "/", (mpexpr_fun_t) mpz_tdiv_q, MPEXPR_TYPE_BINARY, 200 }, { "%", (mpexpr_fun_t) mpz_tdiv_r, MPEXPR_TYPE_BINARY, 200 }, { "+", (mpexpr_fun_t) mpz_add, MPEXPR_TYPE_BINARY, 190 }, { "-", (mpexpr_fun_t) mpz_sub, MPEXPR_TYPE_BINARY, 190 }, { "<<", (mpexpr_fun_t) mpz_mul_2exp, MPEXPR_TYPE_BINARY_UI, 180 }, { ">>", (mpexpr_fun_t) mpz_tdiv_q_2exp, MPEXPR_TYPE_BINARY_UI, 180 }, { "<=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LE, 170 }, { "<", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_LT, 170 }, { ">=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GE, 170 }, { ">", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_GT, 170 }, { "==", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_EQ, 160 }, { "!=", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_CMP_NE, 160 }, { "&", (mpexpr_fun_t) mpz_and, MPEXPR_TYPE_BINARY, 150 }, { "^", (mpexpr_fun_t) mpz_xor, MPEXPR_TYPE_BINARY, 140 }, { "|", (mpexpr_fun_t) mpz_ior, MPEXPR_TYPE_BINARY, 130 }, { "&&", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_AND, 120 }, { "||", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_LOGICAL_OR, 110 }, { ":", NULL, MPEXPR_TYPE_COLON, 101 }, { "?", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_QUESTION, 100 }, { ")", NULL, MPEXPR_TYPE_CLOSEPAREN, 4 }, { "(", NULL, MPEXPR_TYPE_OPENPAREN, 3 }, { ",", NULL, MPEXPR_TYPE_ARGSEP, 2 }, { "$", NULL, MPEXPR_TYPE_VARIABLE, 1 }, { "abs", (mpexpr_fun_t) mpz_abs, MPEXPR_TYPE_UNARY }, { "bin", (mpexpr_fun_t) mpz_bin_ui, MPEXPR_TYPE_BINARY_UI }, { "clrbit", (mpexpr_fun_t) e_mpz_clrbit, MPEXPR_TYPE_BINARY_UI }, { "cmp", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_I_BINARY }, { "cmpabs", (mpexpr_fun_t) mpz_cmpabs, MPEXPR_TYPE_I_BINARY }, { "congruent_p",(mpexpr_fun_t)mpz_congruent_p, MPEXPR_TYPE_I_TERNARY }, { "divisible_p",(mpexpr_fun_t)mpz_divisible_p, MPEXPR_TYPE_I_BINARY }, { "even_p", (mpexpr_fun_t) e_mpz_even_p, MPEXPR_TYPE_I_UNARY }, { "fib", (mpexpr_fun_t) mpz_fib_ui, MPEXPR_TYPE_UNARY_UI }, { "fac", (mpexpr_fun_t) mpz_fac_ui, MPEXPR_TYPE_UNARY_UI }, { "gcd", (mpexpr_fun_t) mpz_gcd, MPEXPR_TYPE_BINARY | MPEXPR_TYPE_PAIRWISE }, { "hamdist", (mpexpr_fun_t) e_mpz_hamdist, MPEXPR_TYPE_BINARY }, { "invert", (mpexpr_fun_t) mpz_invert, MPEXPR_TYPE_BINARY }, { "jacobi", (mpexpr_fun_t) mpz_jacobi, MPEXPR_TYPE_I_BINARY }, { "kronecker", (mpexpr_fun_t) mpz_kronecker, MPEXPR_TYPE_I_BINARY }, { "lcm", (mpexpr_fun_t) mpz_lcm, MPEXPR_TYPE_BINARY | MPEXPR_TYPE_PAIRWISE }, { "lucnum", (mpexpr_fun_t) mpz_lucnum_ui, MPEXPR_TYPE_UNARY_UI }, { "max", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MAX | MPEXPR_TYPE_PAIRWISE }, { "min", (mpexpr_fun_t) mpz_cmp, MPEXPR_TYPE_MIN | MPEXPR_TYPE_PAIRWISE }, { "nextprime", (mpexpr_fun_t) mpz_nextprime, MPEXPR_TYPE_UNARY }, { "odd_p", (mpexpr_fun_t) e_mpz_odd_p, MPEXPR_TYPE_I_UNARY }, { "perfect_power_p", (mpexpr_fun_t)mpz_perfect_power_p, MPEXPR_TYPE_I_UNARY}, { "perfect_square_p",(mpexpr_fun_t)mpz_perfect_square_p,MPEXPR_TYPE_I_UNARY}, { "popcount", (mpexpr_fun_t) e_mpz_popcount, MPEXPR_TYPE_UNARY }, { "powm", (mpexpr_fun_t) mpz_powm, MPEXPR_TYPE_TERNARY }, { "probab_prime_p", (mpexpr_fun_t)mpz_probab_prime_p, MPEXPR_TYPE_I_UNARY}, { "root", (mpexpr_fun_t) mpz_root, MPEXPR_TYPE_BINARY_UI }, { "scan0", (mpexpr_fun_t) e_mpz_scan0, MPEXPR_TYPE_BINARY_UI }, { "scan1", (mpexpr_fun_t) e_mpz_scan1, MPEXPR_TYPE_BINARY_UI }, { "setbit", (mpexpr_fun_t) e_mpz_setbit, MPEXPR_TYPE_BINARY_UI }, { "tstbit", (mpexpr_fun_t) mpz_tstbit, MPEXPR_TYPE_I_BINARY_UI }, { "sgn", (mpexpr_fun_t) e_mpz_sgn, MPEXPR_TYPE_I_UNARY }, { "sqrt", (mpexpr_fun_t) mpz_sqrt, MPEXPR_TYPE_UNARY }, { NULL } }; /* The table is available globally only through a pointer, so the table size can change without breaking binary compatibility. */ __gmp_const struct mpexpr_operator_t * __gmp_const mpz_expr_standard_table = _mpz_expr_standard_table; int #if HAVE_STDARG mpz_expr (mpz_ptr res, int base, __gmp_const char *e, ...) #else mpz_expr (va_alist) va_dcl #endif { mpz_srcptr var[MPEXPR_VARIABLES]; va_list ap; int ret; #if HAVE_STDARG va_start (ap, e); #else mpz_ptr res; int base; __gmp_const char *e; va_start (ap); res = va_arg (ap, mpz_ptr); base = va_arg (ap, int); e = va_arg (ap, __gmp_const char *); #endif TRACE (printf ("mpz_expr(): base %d, %s\n", base, e)); ret = mpexpr_va_to_var ((void **) var, ap); va_end (ap); if (ret != MPEXPR_RESULT_OK) return ret; return mpz_expr_a (mpz_expr_standard_table, res, base, e, strlen(e), var); }