source: git/factory/facIrredTest.h @ e4fe2b

jengelh-datetimespielwiese
Last change on this file since e4fe2b was e4fe2b, checked in by Oleksandr Motsak <motsak@…>, 11 years ago
FIX: Fixed huge BUG in cf_gmp.h CHG: starting to cleanup factory
  • Property mode set to 100755
File size: 1.4 KB
Line 
1/*****************************************************************************\
2 * Computer Algebra System SINGULAR
3\*****************************************************************************/
4/** @file facHensel.h
5 *
6 * This file provides a probabilistic irreducibility test for polynomials over
7 * Z/p.
8 *
9 * ABSTRACT: irreducibility test based on "Quick and Dirty Irreducibility Test"
10 * by v. Bothmer and Schreyer
11 *
12 * @author Martin Lee
13 *
14 * @internal @version \$Id$
15 *
16 **/
17/*****************************************************************************/
18
19#ifndef FAC_IRRED_TEST_H
20#define FAC_IRRED_TEST_H
21
22// #include "config.h"
23
24#include "canonicalform.h"
25
26/// evaluate F at k random points in Z/p^n and count the number of zeros that
27/// occur
28///
29/// @return numZeros returns #zeros/trials
30double numZeros (const CanonicalForm& F, ///< [in] some poly over Z/p with n
31                                         ///< variables
32                 int k                   ///< [in] number of trials
33                );
34
35/*BEGINPUBLIC*/
36
37/// given some error probIrredTest detects irreducibility or reducibility of F
38/// with confidence level 1-error
39///
40/// @return probIrredTest returns 1 for irreducibility, -1 for reducibility
41///         or 0 if the test is not applicable
42int probIrredTest (const CanonicalForm& F, ///< [in] some poly over Z/p
43                   double error            ///< [in] 0 < error < 1
44                  );
45
46/*ENDPUBLIC*/
47
48#endif
49
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