vecd.sa
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-------------------------> GNU Sather - sourcefile <-------------------------
-- Copyright (C) 2000 by K Hopper, University of Waikato, New Zealand --
-- This file is part of the GNU Sather library. It is free software; you may --
-- redistribute and/or modify it under the terms of the GNU Library General --
-- Public License (LGPL) as published by the Free Software Foundation; --
-- either version 2 of the license, or (at your option) any later version. --
-- This library 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 Doc/LGPL for more details. --
-- The license text is also available from: Free Software Foundation, Inc., --
-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --
--------------> Please email comments to <bug-sather@gnu.org> <--------------
class VECD < $VEC{FLTD,VECD,FLTD}
class VECD < $VEC{FLTD,VECD,FLTD} is
-- This class implements a double length floating point vector.
-- Version 1.1 Sep 97. Copyright K Hopper, U of Waikato
-- Development History
-- -------------------
-- Date Who By Detail
-- ---- ------ ------
-- 13 Jul 96 bg Original for Sather 1.1 Dist
-- 4 Sep 97 kh Modified for style.
-- 22 Mar 01 djw moved in "angle_with"
include VEC_LENGTH_MIXIN{FLTD,SAME} ;
const element_zero : FLTD := 0.0d ;
const element_one : FLTD := 1.0d ;
const length_zero : FLTD := 0.0d ;
const length_one : FLTD := 1.0d ;
angle_with(
other : SAME
) : ANGLED is
-- This routine returns the angle between self and other.
return ANGLED::acos(cosine_angle_with(other))
end ;
end ; -- VECD