source: branches/f4grobner/5am-symbolic-poly.lisp@ 4071

;;; -*-  Mode: Lisp -*- 

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;;;  Copyright (C) 1999, 2002, 2009, 2015 Marek Rychlik <rychlik@u.arizona.edu>          

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;;;  This program is free software; you can redistribute it and/or modify        

;;;  it under the terms of the GNU General Public License as published by        

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;;;  GNU General Public License for more details.                                

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;;;  You should have received a copy of the GNU General Public License           

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;;

;; Run tests using 5am unit testing framework

;;

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;; We assume that QuickLisp package manager is installed.

;; See :

;;      https://www.quicklisp.org/beta/

;;



;; The following is unnecessary after running:

;; * (ql:add-to-init-file)

;; at lisp prompt:

;;(load "~/quicklisp/setup")



(ql:quickload :fiveam)



;; Unless NGROBNER system loaded by ASDF,

;; load the dependencies directly

#-ngrobner

(progn

  (require :utils "utils")

  (require :copy "copy")

  (require :monom "monom")

  (require :polynomial "polynomial")

  (require :infix "infix")

  (require :symbolic-polynomial "symbolic-polynomial"))



(defpackage #:5am-symbolic-poly

  (:use :cl :it.bese.fiveam :monom :polynomial :infix :symbolic-polynomial))



(in-package :5am-symbolic-poly)



(def-suite symbolic-poly-suite 

    :description "Symbolic polynomial package suite")



(in-suite symbolic-poly-suite)



(test read-infix-form

  "Infix form reader"

  (is (equalp (with-input-from-string (s "X^2-Y^2+(-4/3)*U^2*W^3-5") (read-infix-form :stream s))

              '(+ (- (EXPT X 2) (EXPT Y 2)) (* (- (/ 4 3)) (EXPT U 2) (EXPT W 3)) (- 5))))

  (is (equalp (poly->string (string->poly "1" '(x y u w))) "1"))

  (is (equalp (->sexp (string->poly "X^2-Y^2+(-4/3)*U^2*W^3-5" '(x y u w)))

              '(+ (EXPT X 2) (* -1 (EXPT Y 2)) (* -4/3 (EXPT U 2) (EXPT W 3)) -5))))





(def-fixture sym-poly-context ()

  (let ((p (make-instance 'poly))

        (p-symbolic (make-instance 'symbolic-poly :vars '(x))))

    (dolist (x '( ((2) . 22)  ((4) . 44) ((5) . 55) ((8) . 88) ((9) . 99) ))

      (poly-insert-term p (make-instance 'term :exponents (car x) :coeff (cdr x)))

      (poly-insert-term p-symbolic (make-instance 'term :exponents (car x) :coeff (cdr x))))

    (&body)))



(test sym-poly

  "Symbolic polynomial"

  (with-fixture sym-poly-context ()

    (is (universal-equalp (change-class p 'symbolic-poly :vars '(x)) p-symbolic )))

  (with-fixture sym-poly-context ()

    (signals

        (error "Number of variables does not equal dimension.")

      (universal-equalp (change-class p 'symbolic-poly :vars '(x y)) p-symbolic ))))





(run! 'symbolic-poly-suite)

(format t "All tests done!~%")