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source: branches/f4grobner/5am-poly.lisp@ 3492

Last change on this file since 3492 was 3492, 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 :monom "monom")
41(require :utils "utils")
42(require :polynomial "polynomial")
43
44(defpackage #:5am-poly
45 (:use :cl :it.bese.fiveam :monom :polynomial))
46
47(in-package :5am-poly)
48
49(def-suite poly-suite
50 :description "Polynomial package suite")
51
52(in-suite poly-suite)
53
54;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
55;;
56;; POLY class tests
57;;
58;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
59
60(def-fixture poly-add-context ()
61 (let ((p (make-instance 'poly))
62 (q (make-instance 'poly :order nil))
63 (p+q (make-instance 'poly))
64 (p-q (make-instance 'poly))
65 (p-uminus (make-instance 'poly)))
66 ;; Populate the polynomials; the lists of (exponents . coefficient) pairs
67 ;; must be in increasing order in Q, but Q is unordered (:ORDER NIL)
68 ;; so it will be automatically sorted.
69 (dolist (x '( ((2) . 22) ((4) . 44) ((5) . 55) ((8) . 88) ((9) . 99) ))
70 (insert-item p (make-instance 'term :exponents (car x) :coeff (cdr x))))
71 (dolist (x '( ((9) . 90) ((0) . 11) ((2) . 20) ((3) . 33) ((4) . -44) ((7) . 77) ((8) . 88) ))
72 (insert-item q (make-instance 'term :exponents (car x) :coeff (cdr x))))
73 ;; P+Q
74 (dolist (x '(((0) . 11) ((2) . 42) ((3) . 33) ((5) . 55) ((7) . 77) ((8) . 176) ((9) . 189) ))
75 (insert-item p+q (make-instance 'term :exponents (car x) :coeff (cdr x))))
76 ;; P-Q
77 (dolist (x '(((0) . -11) ((2) . 2) ((3) . -33) ((4) . 88) ((5) . 55) ((7) . -77) ((9) . 9)))
78 (insert-item p-q (make-instance 'term :exponents (car x) :coeff (cdr x))))
79 ;; -P
80 (dolist (x '( ((2) . -22) ((4) . -44) ((5) . -55) ((8) . -88) ((9) . -99) ))
81 (insert-item p-uminus (make-instance 'term :exponents (car x) :coeff (cdr x))))
82 ;;(print p) (print q) (print p+q) (print p-q)
83 (&body)))
84
85(test poly-add
86 "Polynomial addition"
87 (with-fixture poly-add-context () (is (r-equalp (add-to p q) p+q)))
88 (with-fixture poly-add-context () (is (r-equalp (r+ p q) p+q)))
89 (with-fixture poly-add-context () (is (r-equalp (subtract-from p q) p-q)))
90 (with-fixture poly-add-context () (is (r-equalp (r- p q) p-q)))
91 (with-fixture poly-add-context () (is (r-equalp (unary-minus p) p-uminus)))
92 )
93
94(def-fixture poly-multiply-context ()
95 (let ((p (make-instance 'poly))
96 (q (make-instance 'poly :order nil))
97 (p*q (make-instance 'poly)))
98 ;; Populate the polynomials; the lists of (exponents . coefficient) pairs
99 ;; must be in increasing order in Q, but Q is unordered (:ORDER NIL)
100 ;; so it will be automatically sorted.
101 (dolist (x '( ((0) . 1) ((1) . 2) ))
102 (insert-item p (make-instance 'term :exponents (car x) :coeff (cdr x))))
103 (dolist (x '( ((0) . 1) ((1) . 3) ))
104 (insert-item q (make-instance 'term :exponents (car x) :coeff (cdr x))))
105 ;; P*Q
106 (dolist (x '( ((0) . 1) ((1) . 5) ((2) . 6)))
107 (insert-item p*q (make-instance 'term :exponents (car x) :coeff (cdr x))))
108 (&body)))
109
110
111(test poly-multiply
112 "Polynomial multiplication"
113 (with-fixture poly-multiply-context () (is (r-equalp (r* p q) p*q)))
114 )
115
116(test poly-standard-extension
117 "Standard extension"
118 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
119 (q (alist->poly '( ((0) . 1) ((2) . 3))))
120 (plist (list p q))
121 (p-ext (alist->poly '( ((1 0 0) . 1) ((1 0 1) . 2))))
122 (q-ext (alist->poly '( ((0 1 0) . 1) ((0 1 2) . 3))))
123 (plist-st-ext (list p-ext q-ext)))
124 (is (r-equalp (standard-extension plist) plist-st-ext))))
125
126(test poly-standard-extension-1
127 "Standard extension 1"
128 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
129 (q (alist->poly '( ((0) . 1) ((2) . 3))))
130 (plist (list p q))
131 (p-ext (alist->poly '( ((0 0 0) . -1) ((1 0 0) . 1) ((1 0 1) . 2))))
132 (q-ext (alist->poly '( ((0 0 0) . -1) ((0 1 0) . 1) ((0 1 2) . 3))))
133 (plist-st-ext (list p-ext q-ext)))
134 (is (r-equalp (standard-extension-1 plist) plist-st-ext))))
135
136(test poly-standard-sum
137 "Standard sum"
138 (let* ((p (alist->poly '( ((0) . 1) ((1) . 2))))
139 (q (alist->poly '( ((0) . 1) ((2) . 3))))
140 (plist (list p q))
141 (std-sum (alist->poly '(((0 0 0) . -1) ((0 1 0) . 1) ((0 1 2) . 3)
142 ((1 0 0) . 1) ((1 0 1) . 2)))))
143 (is (r-equalp (standard-sum plist) std-sum))))
144
145(run! 'poly-suite)
146(format t "All tests done!~%")
147
148
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