HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| d7473131 DL |
1 | ;;;; random.test --- tests guile's uniform arrays -*- scheme -*- |
| 2 | ;;;; | |
| 3 | ;;;; Copyright 2013 Free Software Foundation, Inc. | |
| 4 | ;;;; | |
| 5 | ;;;; This library is free software; you can redistribute it and/or | |
| 6 | ;;;; modify it under the terms of the GNU Lesser General Public | |
| 7 | ;;;; License as published by the Free Software Foundation; either | |
| 8 | ;;;; version 3 of the License, or (at your option) any later version. | |
| 9 | ;;;; | |
| 10 | ;;;; This library is distributed in the hope that it will be useful, | |
| 11 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | ;;;; Lesser General Public License for more details. | |
| 14 | ;;;; | |
| 15 | ;;;; You should have received a copy of the GNU Lesser General Public | |
| 16 | ;;;; License along with this library; if not, write to the Free Software | |
| 17 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | ||
| 19 | (define-module (test-suite test-random) | |
| 20 | #:use-module ((system base compile) #:select (compile)) | |
| 21 | #:use-module (test-suite lib) | |
| 22 | #:use-module (srfi srfi-4) | |
| 23 | #:use-module (srfi srfi-4 gnu)) | |
| 24 | ||
| 25 | ; see strings.test, arrays.test. | |
| 26 | (define exception:wrong-type-arg | |
| 27 | (cons #t "Wrong type")) | |
| 28 | ||
| 29 | ;;; | |
| 30 | ;;; random:normal-vector! | |
| 31 | ;;; | |
| 32 | ||
| 33 | (with-test-prefix "random:normal-vector!" | |
| 34 | ||
| 35 | ;; FIXME need proper function test. | |
| 36 | ||
| 37 | (pass-if "non uniform" | |
| 38 | (let ((a (make-vector 4 0)) | |
| 39 | (b (make-vector 4 0)) | |
| 40 | (c (make-shared-array (make-vector 8 0) | |
| 41 | (lambda (i) (list (+ 1 (* 2 i)))) 4))) | |
| 42 | (begin | |
| 43 | (random:normal-vector! b (random-state-from-platform)) | |
| 44 | (random:normal-vector! c (random-state-from-platform)) | |
| 45 | (and (not (equal? a b)) (not (equal? a c)))))) | |
| 46 | ||
| 47 | (pass-if "uniform (f64)" | |
| 48 | (let ((a (make-f64vector 4 0)) | |
| 49 | (b (make-f64vector 4 0)) | |
| 50 | (c (make-shared-array (make-f64vector 8 0) | |
| 51 | (lambda (i) (list (+ 1 (* 2 i)))) 4))) | |
| 52 | (begin | |
| 53 | (random:normal-vector! b (random-state-from-platform)) | |
| 54 | (random:normal-vector! c (random-state-from-platform)) | |
| 55 | (and (not (equal? a b)) (not (equal? a c))))))) |