source: git/factory/facIrredTest.h @ 72bfc8

jengelh-datetimespielwiese
Last change on this file since 72bfc8 was 72bfc8, checked in by Martin Lee <martinlee84@…>, 11 years ago
chg: deleted @internal
  • Property mode set to 100755
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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 **/
15/*****************************************************************************/
16
17#ifndef FAC_IRRED_TEST_H
18#define FAC_IRRED_TEST_H
19
20// #include "config.h"
21
22#include "canonicalform.h"
23
24/// evaluate F at k random points in Z/p^n and count the number of zeros that
25/// occur
26///
27/// @return numZeros returns #zeros/trials
28double numZeros (const CanonicalForm& F, ///< [in] some poly over Z/p with n
29                                         ///< variables
30                 int k                   ///< [in] number of trials
31                );
32
33/*BEGINPUBLIC*/
34
35/// given some error probIrredTest detects irreducibility or reducibility of F
36/// with confidence level 1-error
37///
38/// @return probIrredTest returns 1 for irreducibility, -1 for reducibility
39///         or 0 if the test is not applicable
40int probIrredTest (const CanonicalForm& F, ///< [in] some poly over Z/p
41                   double error            ///< [in] 0 < error < 1
42                  );
43
44/*ENDPUBLIC*/
45
46#endif
47
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