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72 lines
3.0 KiB
72 lines
3.0 KiB
/**************************************************************************** |
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* VCGLib o o * |
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* Visual and Computer Graphics Library o o * |
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* _ O _ * |
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* Copyright(C) 2004-2016 \/)\/ * |
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* Visual Computing Lab /\/| * |
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* ISTI - Italian National Research Council | * |
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* \ * |
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* All rights reserved. * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) * |
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* for more details. * |
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* * |
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****************************************************************************/ |
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/**************************************************************************** |
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History |
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$Log: not supported by cvs2svn $ |
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Revision 1.2 2005/12/12 11:24:09 ganovelli |
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missing type added |
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Revision 1.1 2004/03/16 03:08:17 tarini |
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first version |
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****************************************************************************/ |
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#ifndef __VCGLIB_LINEAR |
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#define __VCGLIB_LINEAR |
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namespace vcg { |
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/*@{*/ |
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/** |
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This class represents the common interface for any linear objects. |
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It consists (the declaration of) a set of functions and types that |
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each such object mush have. |
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Linear have the Zero element (neutral element for sums) |
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moltiplication (for a scalar), and two linear elements of |
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a given type can be summed. |
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In this way it is possible to interpolate between two different linear entities. |
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For example: |
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LinearType a,b,c,d,e,f; |
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... |
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d = a * 0.1 + b * 0.9; |
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e = a + (b - a) * 0.9; |
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*/ |
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template <class T> |
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class Linear{ |
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public: |
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typedef T ScalarType; |
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inline void SetZero(); |
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T operator + ( T const & p) const; |
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T operator - ( T const & p) const; |
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T operator * ( const ScalarType ); |
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T operator / ( const ScalarType ) const; |
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T & operator += ( T const & ); |
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T & operator -= ( T const & ); |
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T & operator *= ( const ScalarType ); |
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T & operator /= ( const ScalarType ); |
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T operator - () const; |
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}; |
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}; |
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#endif
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