/// /// @file generate_n_primes2.c /// @brief Test n prime number generation. /// /// Copyright (C) 2017 Kim Walisch, /// /// This file is distributed under the BSD License. See the COPYING /// file in the top level directory. /// #include #include #include #include #include // primes inside [0, 100] const uint64_t small_primes[25] = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 }; // primes inside [10^16, 10^16 + 1000] const uint64_t large_primes[20] = { 10000000000000061ull, 10000000000000069ull, 10000000000000079ull, 10000000000000099ull, 10000000000000453ull, 10000000000000481ull, 10000000000000597ull, 10000000000000613ull, 10000000000000639ull, 10000000000000669ull, 10000000000000753ull, 10000000000000793ull, 10000000000000819ull, 10000000000000861ull, 10000000000000897ull, 10000000000000909ull, 10000000000000931ull, 10000000000000949ull, 10000000000000957ull, 10000000000000991ull, }; void check(int OK) { if (OK) printf(" OK\n"); else { printf(" ERROR\n"); exit(1); } } int main() { size_t i; size_t size = 25; uint64_t* primes = (uint64_t*) primesieve_generate_n_primes(size, 0, UINT64_PRIMES); for (i = 0; i < size; i++) { printf("primes[%zu] = %" PRIu64, i, primes[i]); check(primes[i] == small_primes[i]); } primesieve_free(primes); size = 20; primes = (uint64_t*) primesieve_generate_n_primes(size, 10000000000000000ull, UINT64_PRIMES); for (i = 0; i < size; i++) { printf("primes[%zu] = %" PRIu64, i, primes[i]); check(primes[i] == large_primes[i]); } primesieve_free(primes); printf("\n"); printf("All tests passed successfully!\n"); return 0; }