/usr/include/linbox/randiter/gmp-random-prime.h is in liblinbox-dev 1.3.2-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox 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 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#error "deprecated and not tested"
#ifndef __LINBOX_gmp_random_prime_H
#define __LINBOX_gmp_random_prime_H
#include "linbox/integer.h"
namespace LinBox
{
/** \brief generating random prime integers, using the gmp library.
* Similar to random-prime.h, but return type is integer, not long, allowing
* for larger primes.
* @author Dan Roche
* @deprecated This is not true.
*/
class GmpRandomPrime {
public:
integer max;
/** Create a new random prime generator. Primes generated will
* be <= max.
*/
GmpRandomPrime( integer m ) :
max(m)
{}
inline integer randomPrime() const
{
integer test;
do test=test-1;//integer::nonzerorandom( test, max );
while( !probab_prime( test, 10 ) );
return test;
}
// I believe reference returned is appropriate. -bds
inline integer& randomPrime( integer& p )
{
do integer::nonzerorandom( p, max );
while( !probab_prime( p, 10 ) );
return p;
}
};
}
#endif //__LINBOX_gmp_random_prime_H
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