73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* Copyright (C) 2019 Ortega Froysa, Nicolás <nicolas@ortegas.org>
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* Author: Ortega Froysa, Nicolás <nicolas@ortegas.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "globals.h"
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#include "llist.h"
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#include <signal.h>
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#include <stdio.h>
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#include <gmp.h>
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int run = 1;
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void quit_signal(int signum) {
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printf("Received signal %d. Ending process...\n", signum);
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run = 0;
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}
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int main() {
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printf("%s v%s\n", APP_NAME, VERSION);
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signal(SIGINT, quit_signal);
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mpz_t tnum; // number to be tested for prime-ness
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mpz_t tsqrt; // square root of tnum
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mpz_t aux; // auxilary number to test against tnum
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mpz_t r; // remainder from modulus operation
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mpz_inits(tnum, tsqrt, aux, r, NULL);
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mpz_set_ui(tnum, 3);
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mpz_sqrt(tsqrt, tnum);
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while(run)
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{
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mpz_set_ui(aux, 3);
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int is_prime = 1;
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while(mpz_cmp(aux, tsqrt) <= 0)
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{
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mpz_mod(r, tnum, aux);
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if(mpz_cmp_ui(r, 0) == 0)
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is_prime = 0;
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mpz_add_ui(aux, aux, 2);
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}
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if(is_prime)
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{
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mpz_out_str(stdout, 10, tnum);
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printf("\n");
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}
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mpz_add_ui(tnum, tnum, 2);
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mpz_sqrt(tsqrt, tnum);
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}
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mpz_clears(tnum, tsqrt, aux, r, NULL);
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return 0;
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}
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