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;; -*-theme-d-*-
;; Copyright (C) 2014 Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.
(define-body (tests numerical-test-env)
(import (standard-library console-io))
(define-simple-method approx-equal?
(((nr1 <number>) (nr2 <number>)) <boolean> pure)
(< (abs (- nr1 nr2)) 1e-12))
(define-simple-virtual-method my-equal?
(((nr1 <number>) (nr2 <number>)) <boolean> pure)
#f)
(define-simple-virtual-method my-equal?
(((i1 <integer>) (i2 <integer>)) <boolean> pure)
(equal? i1 i2))
(define-simple-virtual-method my-equal?
(((rat1 <rational>) (rat2 <rational>)) <boolean> pure)
(equal? rat1 rat2))
(define-simple-virtual-method my-equal?
(((r1 <real>) (r2 <real>)) <boolean> pure)
(cond
((or (nan? r1) (nan? r2))
(and (nan? r1) (nan? r2)))
((or (infinite? r1) (infinite? r2))
(equal? r1 r2))
(else
(approx-equal? r1 r2))))
(define-simple-virtual-method my-equal?
(((cx1 <complex>) (cx2 <complex>)) <boolean> pure)
(approx-equal? cx1 cx2))
(define-simple-method do-report-test
(((x-expr <object>) (nr-result <number>) (nr-correct <number>))
<none> nonpure)
(console-write x-expr)
(console-display " = ")
(console-write nr-result)
(console-display " ")
(if (my-equal? nr-result nr-correct)
(console-display "OK")
(console-display "FAIL"))
(console-newline))
(define-simple-method do-report-boolean-test
(((x-expr <object>) (b-result <boolean>) (b-correct <boolean>))
<none> nonpure)
(console-write x-expr)
(console-display " = ")
(console-write b-result)
(console-display " ")
(if (equal? b-result b-correct)
(console-display "OK")
(console-display "FAIL"))
(console-newline))
(define-simple-method do-report-result (((x-expr <object>) (x-result <object>))
<none> nonpure)
(console-write x-expr)
(console-display " = ")
(console-write x-result)
(console-newline)))
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