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source: branches/f4grobner/5am-monom.lisp@ 2454

Last change on this file since 2454 was 2454, checked in by Marek Rychlik, 9 years ago

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1;;; -*- Mode: Lisp -*-
2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3;;;
4;;; Copyright (C) 1999, 2002, 2009, 2015 Marek Rychlik <rychlik@u.arizona.edu>
5;;;
6;;; This program is free software; you can redistribute it and/or modify
7;;; it under the terms of the GNU General Public License as published by
8;;; the Free Software Foundation; either version 2 of the License, or
9;;; (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19;;;
20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
21
22;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
23;;
24;; Run tests using 5am unit testing framework
25;;
26;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
27
28;; We assume that QuickLisp package manager is installed.
29;; See :
30;; https://www.quicklisp.org/beta/
31;;
32
33;; The following is unnecessary after running:
34;; * (ql:add-to-init-file)
35;; at lisp prompt:
36;;(load "~/quicklisp/setup")
37
38(ql:quickload :fiveam)
39
40(require :ring "ring")
41(require :monom "monom")
42(require :term "term")
43(require :order "order")
44
45(defpackage #:5am-monom
46 (:use :cl :it.bese.fiveam :ring :monom :term :order)
47 (:shadowing-import-from :ring "ZEROP" "LCM" "GCD" "+" "-" "*" "/" "EXPT"))
48
49(in-package :5am-monom)
50
51(def-suite monom-suite
52 :description "Monom package suite")
53
54(in-suite monom-suite)
55
56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
57;;
58;; MONOM class tests
59;;
60;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
61
62(def-fixture monom-context ()
63 (let ((z (make-instance 'monom :dimension 3))
64 (m (make-instance 'monom :dimension 3 :exponents '(1 2 3)))
65 (n (make-instance 'monom :dimension 3 :exponents '(4 5 6)))
66 (m*n (make-instance 'monom :dimension 3 :exponents '(5 7 9)))
67 (n/m (make-instance 'monom :dimension 3 :exponents '(3 3 3)))
68 (m-tensor-n (make-instance 'monom :exponents '(1 2 3 4 5 6))))
69 (&body)))
70
71(test monom-basics
72 "Monom basics"
73 (with-fixture monom-context ()
74 (is (= (r-dimension m) 3))
75 (is (= (r-elt m 2) 3))
76 (is (= (r-total-degree m) 6))
77 (is (= (r-sugar m) 6))
78 (is (equalp (r->list z) '(0 0 0)) "Trivial monomial is a vector of 0's")
79 (is (r-equalp (r* m n) m*n))
80 (is (r-equalp (r/ n m) n/m))
81 (is (r-equalp (r-tensor-product m n) m-tensor-n))
82 (signals
83 (error "EXPONENTS must have length DIMENSION")
84 (make-instance 'monom :dimension 3 :exponents '(1 2 3 4 5 6)))
85 (is-true (r-divides-p m n))
86 (is-false (r-divides-p n m))
87 (is (r-equalp (r-gcd m n) m))
88 (is (r-equalp (r-lcm m n) n))
89 (is-true (r-depends-p m 0))
90 (signals
91 (error "Index out of bounds")
92 (r-depends-p m 3))))
93
94;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
95;;
96;; TERM class tests
97;;
98;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
99
100(def-fixture term-context ()
101 (let ((z (make-instance 'term :dimension 3 :coeff 5))
102 (m (make-instance 'term :dimension 3 :exponents '(1 2 3) :coeff 6))
103 (n (make-instance 'term :dimension 3 :exponents '(4 5 6) :coeff 12))
104 (m*n (make-instance 'term :dimension 3 :exponents '(5 7 9) :coeff 72))
105 (n/m (make-instance 'term :dimension 3 :exponents '(3 3 3) :coeff 2))
106 (m-tensor-n (make-instance 'term :exponents '(1 2 3 4 5 6) :coeff 72)))
107 (&body)))
108
109(test term-basics
110 "Term basics"
111 (with-fixture term-context ()
112 (is (= (r-dimension m) 3))
113 (is (= (r-elt m 2) 3))
114 (is (= (r-total-degree m) 6))
115 (is (= (r-sugar m) 6))
116 (is (equalp (r->list z) '(0 0 0)) "Trivial term is a vector of 0's")
117 (is (r-equalp (r* m n) m*n))
118 (is (r-equalp (r/ n m) n/m))
119 (is (r-equalp (r-tensor-product m n) m-tensor-n))
120 (signals
121 (error "EXPONENTS must have length DIMENSION")
122 (make-instance 'term :dimension 3 :exponents '(1 2 3 4 5 6) :coeff 77))
123 (is-true (r-divides-p m n))
124 (is-false (r-divides-p n m))
125 (is (r-equalp (r-gcd m n) m))
126 (is (r-equalp (r-lcm m n) n))
127 (is-true (r-depends-p m 0))
128 (signals
129 (error "Index out of bounds")
130 (r-depends-p m 3))
131 )
132
133 )
134
135(def-fixture order-context ()
136 (let ((p (make-instance 'monom :exponents '(1 3 2)))
137 (q (make-instance 'monom :exponents '(1 2 3))))
138 (&body)))
139
140(test order
141 "order"
142 (with-fixture order-context ()
143 (is-true (lex> p q))
144 (is-true (grlex> p q))
145 (is-true (revlex> p q))
146 (is-true (grevlex> p q))
147 (is-false (invlex> p q))))
148
149(def-fixture elim-order-context ()
150 (let* ((p (make-instance 'monom :exponents '(1 2 3)))
151 (q (make-instance 'monom :exponents '(4 5 6)))
152 (elim-order-factory (make-elimination-order-factory))
153 (elim-order-1 (funcall elim-order-factory 1))
154 (elim-order-2 (funcall elim-order-factory 2)))
155 (&body)))
156
157
158(test elim-order
159 "elimination order"
160 (with-fixture elim-order-context ()
161 (is-false (funcall elim-order-1 p q))
162 (is-false (funcall elim-order-2 p q))))
163
164(run! 'monom-suite)
165(format t "All tests done!~%")
166
167
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