Frobby 0.9.5
LibAlexanderDualTest.cpp
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1/* Frobby: Software for monomial ideal computations.
2 Copyright (C) 2007 Bjarke Hammersholt Roune (www.broune.com)
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see http://www.gnu.org/licenses/.
16*/
17#include "stdinc.h"
18#include "frobby.h"
19
20#include "tests.h"
21#include "BigIdeal.h"
22#include "IdealFactory.h"
23#include "LibTest.h"
24
25TEST_SUITE2(LibraryInterface, AlexanderDual)
26
27TEST(AlexanderDual, ImplicitPoint) {
30
31 Frobby::alexanderDual(ideal, 0, consumer);
32
34}
35
36TEST(AlexanderDual, ExplicitPoint) {
37 vector<mpz_class> pointLcm(4);
38 pointLcm[0] = 2;
39 pointLcm[1] = 2;
40 pointLcm[2] = 3;
41 pointLcm[3] = 100;
44
45 Frobby::alexanderDual(ideal, castLibArray(pointLcm), consumer);
46
48}
49
50TEST(AlexanderDual, ZeroIdeal) {
51 for (size_t varCount = 0; varCount <= 3; ++varCount) {
52 Frobby::Ideal ideal(varCount);
53 LibIdealConsumer consumer((VarNames(varCount)));
54
55 Frobby::alexanderDual(ideal, 0, consumer);
56
57 ASSERT_EQ(consumer.getIdeal(), IdealFactory::wholeRing(varCount));
58 }
59}
60
61TEST(AlexanderDual, WholeRing) {
62 for (size_t varCount = 0; varCount <= 3; ++varCount) {
64 LibIdealConsumer consumer((VarNames(varCount)));
65
66 Frobby::alexanderDual(ideal, 0, consumer);
67
68 ASSERT_EQ(consumer.getIdeal(), IdealFactory::zeroIdeal(varCount));
69 }
70}
TEST(AlexanderDual, ImplicitPoint)
const mpz_t * castLibArray(const vector< mpz_class > &vect)
Returns a pointer to an array of mpt_t that represents the entries in the mpz_class.
Definition: LibTest.cpp:41
Frobby::Ideal toLibIdeal(const BigIdeal &ideal)
Returns a library interface ideal that corresponds to the parameter ideal.
Definition: LibTest.cpp:26
#define ASSERT_EQ(A, B)
Definition: asserts.h:147
static BigIdeal xyz_xxyy()
Returns .
static BigIdeal xyzzz_xxyy()
Returns .
static BigIdeal xx_yy_xz_yz()
Returns .
static VarNames ring_xyzt()
Returns the ring in the four variables , , and .
static BigIdeal zeroIdeal(size_t varCount)
Returns the ideal in the ring VarNames(varCount).
static BigIdeal wholeRing(size_t varCount)
Returns in the ring VarNames(varCount).
Records library interface output into a BigIdeal.
Definition: LibTest.h:39
const BigIdeal & getIdeal() const
Returns the recorded ideal in a canonical form.
Definition: LibTest.cpp:66
Defines the variables of a polynomial ring and facilities IO involving them.
Definition: VarNames.h:40
#define TEST_SUITE2(PARENT, SUITE)
Definition: macroes.h:28
bool alexanderDual(const Ideal &ideal, const mpz_t *reflectionMonomial, IdealConsumer &consumer)
Compute the Alexander dual of ideal using the point reflectionMonomial.
Definition: frobby.cpp:246