#|  vector-test.ss: Test suite for vector.ss
    Copyright (C) 2007 Will M. Farr <farr@mit.edu>

    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
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|#

(module vector-test mzscheme
  (require (planet "test.ss" ("schematics" "schemeunit.plt" 2))
           "vector.ss"
           (lib "math.ss")
           (planet "srfi-4-comprehensions.ss" ("wmfarr" "srfi-4-comprehensions.plt" 1)))
  
  (provide vector-test-suite)
  
  (define-simple-check (check-close? eps a b)
    (< (abs (- a b)) (abs eps)))
  
  (define vector-test-suite
    (test-suite
     "vector.ss test suite"
     (test-case
      "f64vector-norm"
      (check-close? 1e-10
                    (f64vector-norm (f64vector 1.0 2.0 3.0 4.0))
                    (sqrt 30)))
     (test-case
      "f64vector-add, f64vector-sub, f64vector-scale"
      (let ((v1 (f64vector-of-length-ec 10 (:range i 10) (random)))
            (v2 (f64vector-of-length-ec 10 (:range i 10) (random))))
        (do-ec (:parallel (:f64vector x (f64vector-sub v1 v2))
                          (:f64vector y (f64vector-add v1 (f64vector-scale v2 -1))))
          (check-close? 1e-10 x y))))
     (test-case
      "f64vector-dot"
      (let ((v (f64vector-of-length-ec 10 (:range i 10) (random))))
        (check-close? 1e-10 (f64vector-dot v v) (sqr (f64vector-norm v))))))))