external/clem/src/typed-matrix.lisp

   1 ;;; typed-matrix.lisp
   2 ;;;
   3 ;;; Copyright (c) 2004-2006 Cyrus Harmon (ch-lisp@bobobeach.com)
   4 ;;; All rights reserved.
   5 ;;;
   6 ;;; Redistribution and use in source and binary forms, with or without
   7 ;;; modification, are permitted provided that the following conditions
   8 ;;; are met:
   9 ;;;
  10 ;;;   * Redistributions of source code must retain the above copyright
  11 ;;;     notice, this list of conditions and the following disclaimer.
  12 ;;;
  13 ;;;   * Redistributions in binary form must reproduce the above
  14 ;;;     copyright notice, this list of conditions and the following
  15 ;;;     disclaimer in the documentation and/or other materials
  16 ;;;     provided with the distribution.
  17 ;;;
  18 ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
  19 ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 ;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 ;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22 ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24 ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25 ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26 ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27 ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28 ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 ;;;
  30
  31 (in-package :clem)
  32
  33 (defclass typed-matrix (matrix)
  34   ((specialzied-array :allocation :class :accessor specialized-array-p :initform nil))
  35   (:metaclass standard-matrix-class))
  36
  37 (defmethod set-val-fit ((m typed-matrix) i j v &key (truncate nil))
  38   (set-val m i j (if truncate (truncate v) v)))
  39
  40 (defmethod map-matrix-fit (f (a typed-matrix))
  41   (destructuring-bind (m n) (dim a)
  42     (dotimes (i m)
  43       (dotimes (j n)
  44         (set-val-fit a i j (funcall f a i j)))))
  45   a)
  46
  47