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/* Finding the next prime >= a given small integer.
Copyright (C) 1995-2025 Free Software Foundation, Inc.
This file 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.
This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GL_NEXT_PRIME_H
#define _GL_NEXT_PRIME_H
/* This file uses _GL_ATTRIBUTE_CONST. */
#if !_GL_CONFIG_H_INCLUDED
#error "Please include config.h first."
#endif
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Round a given CANDIDATE number up to the nearest prime, and return that
prime. Primes lower than 10 are merely skipped. */
extern size_t _GL_ATTRIBUTE_CONST next_prime (size_t candidate);
#ifdef __cplusplus
}
#endif
#endif /* _GL_NEXT_PRIME_H */
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