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source: branches/f4grobner/5am-poly.lisp@ 3615

Last change on this file since 3615 was 3508, 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 :copy "copy")
41(require :monom "monom")
42(require :utils "utils")
43(require :polynomial "polynomial")
44
45(defpackage #:5am-poly
46 (:use :cl :it.bese.fiveam :monom :polynomial))
47
48(in-package :5am-poly)
49
50(def-suite poly-suite
51 :description "Polynomial package suite")
52
53(in-suite poly-suite)
54
55;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
56;;
57;; POLY class tests
58;;
59;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
60
61(def-fixture poly-add-context ()
62 (let ((p (make-instance 'poly))
63 (q (make-instance 'poly :order nil))
64 (p+q (make-instance 'poly))
65 (p-q (make-instance 'poly))
66 (p-uminus (make-instance 'poly)))
67 ;; Populate the polynomials; the lists of (exponents . coefficient) pairs
68 ;; must be in increasing order in Q, but Q is unordered (:ORDER NIL)
69 ;; so it will be automatically sorted.
70 (dolist (x '( ((2) . 22) ((4) . 44) ((5) . 55) ((8) . 88) ((9) . 99) ))
71 (poly-insert-term p (make-instance 'monom :exponents (car x)) (cdr x)))
72 (dolist (x '( ((9) . 90) ((0) . 11) ((2) . 20) ((3) . 33) ((4) . -44) ((7) . 77) ((8) . 88) ))
73 (poly-insert-term q (make-instance 'monom :exponents (car x)) (cdr x)))
74 ;; P+Q
75 (dolist (x '(((0) . 11) ((2) . 42) ((3) . 33) ((5) . 55) ((7) . 77) ((8) . 176) ((9) . 189) ))
76 (poly-insert-term p+q (make-instance 'monom :exponents (car x)) (cdr x)))
77 ;; P-Q
78 (dolist (x '(((0) . -11) ((2) . 2) ((3) . -33) ((4) . 88) ((5) . 55) ((7) . -77) ((9) . 9)))
79 (poly-insert-term p-q (make-instance 'monom :exponents (car x)) (cdr x)))
80 ;; -P
81 (dolist (x '( ((2) . -22) ((4) . -44) ((5) . -55) ((8) . -88) ((9) . -99)))
82 (poly-insert-term p-uminus (make-instance 'monom :exponents (car x)) (cdr x)))
83 ;;(print p) (print q) (print p+q) (print p-q)
84 (&body)))
85
86(test poly-add
87 "Polynomial addition"
88 (with-fixture poly-add-context () (is (r-equalp (add-to p q) p+q)))
89 (with-fixture poly-add-context () (is (r-equalp (r+ p q) p+q)))
90 (with-fixture poly-add-context () (is (r-equalp (subtract-from p q) p-q)))
91 (with-fixture poly-add-context () (is (r-equalp (r- p q) p-q)))
92 (with-fixture poly-add-context () (is (r-equalp (unary-minus p) p-uminus)))
93 )
94
95(def-fixture poly-multiply-context ()
96 (let ((p (make-instance 'poly))
97 (q (make-instance 'poly :order nil))
98 (p*q (make-instance 'poly)))
99 ;; Populate the polynomials; the lists of (exponents . coefficient) pairs
100 ;; must be in increasing order in Q, but Q is unordered (:ORDER NIL)
101 ;; so it will be automatically sorted.
102 (dolist (x '( ((0) . 1) ((1) . 2) ))
103 (poly-insert-term p (make-instance 'monom :exponents (car x)) (cdr x)))
104 (dolist (x '( ((0) . 1) ((1) . 3) ))
105 (poly-insert-term q (make-instance 'monom :exponents (car x)) (cdr x)))
106 ;; P*Q
107 (dolist (x '( ((0) . 1) ((1) . 5) ((2) . 6)))
108 (poly-insert-term p*q (make-instance 'monom :exponents (car x)) (cdr x)))
109 (&body)))
110
111
112(test poly-multiply
113 "Polynomial multiplication"
114 (with-fixture poly-multiply-context () (is (r-equalp (r* p q) p*q)))
115 )
116
117(test poly-standard-extension
118 "Standard extension"
119 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
120 (q (alist->poly '( ((0) . 1) ((2) . 3))))
121 (plist (list p q))
122 (p-ext (alist->poly '( ((1 0 0) . 1) ((1 0 1) . 2))))
123 (q-ext (alist->poly '( ((0 1 0) . 1) ((0 1 2) . 3))))
124 (plist-st-ext (list p-ext q-ext)))
125 (is (r-equalp (standard-extension plist) plist-st-ext))))
126
127(test poly-standard-extension-1
128 "Standard extension 1"
129 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
130 (q (alist->poly '( ((0) . 1) ((2) . 3))))
131 (plist (list p q))
132 (p-ext (alist->poly '( ((0 0 0) . -1) ((1 0 0) . 1) ((1 0 1) . 2))))
133 (q-ext (alist->poly '( ((0 0 0) . -1) ((0 1 0) . 1) ((0 1 2) . 3))))
134 (plist-st-ext (list p-ext q-ext)))
135 (is (r-equalp (standard-extension-1 plist) plist-st-ext))))
136
137(test poly-standard-sum
138 "Standard sum"
139 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
140 (q (alist->poly '( ((0) . 1) ((2) . 3))))
141 (plist (list p q))
142 (std-sum (alist->poly '(((0 0 0) . -1) ((0 1 0) . 1) ((0 1 2) . 3)
143 ((1 0 0) . 1) ((1 0 1) . 2)))))
144 (is (r-equalp (standard-sum plist) std-sum))))
145
146(run! 'poly-suite)
147(format t "All tests done!~%")
148
149
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