89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
/**
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* $Id$
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*/
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/*
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*
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* Template Numerical Toolkit (TNT): Linear Algebra Module
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*
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* Mathematical and Computational Sciences Division
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* National Institute of Technology,
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* Gaithersburg, MD USA
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*
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*
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* This software was developed at the National Institute of Standards and
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* Technology (NIST) by employees of the Federal Government in the course
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* of their official duties. Pursuant to title 17 Section 105 of the
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* United States Code, this software is not subject to copyright protection
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* and is in the public domain. The Template Numerical Toolkit (TNT) is
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* an experimental system. NIST assumes no responsibility whatsoever for
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* its use by other parties, and makes no guarantees, expressed or implied,
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* about its quality, reliability, or any other characteristic.
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*
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* BETA VERSION INCOMPLETE AND SUBJECT TO CHANGE
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* see http://math.nist.gov/tnt for latest updates.
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*
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*/
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// Vector/Matrix/Array Index Module
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#ifndef INDEX_H
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#define INDEX_H
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#include "subscript.h"
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namespace TNT
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{
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class Index1D
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{
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Subscript lbound_;
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Subscript ubound_;
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public:
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Subscript lbound() const { return lbound_; }
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Subscript ubound() const { return ubound_; }
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Index1D(const Index1D &D) : lbound_(D.lbound_), ubound_(D.ubound_) {}
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Index1D(Subscript i1, Subscript i2) : lbound_(i1), ubound_(i2) {}
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Index1D & operator=(const Index1D &D)
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{
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lbound_ = D.lbound_;
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ubound_ = D.ubound_;
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return *this;
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}
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};
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inline Index1D operator+(const Index1D &D, Subscript i)
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{
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return Index1D(i+D.lbound(), i+D.ubound());
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}
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inline Index1D operator+(Subscript i, const Index1D &D)
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{
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return Index1D(i+D.lbound(), i+D.ubound());
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}
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inline Index1D operator-(Index1D &D, Subscript i)
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{
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return Index1D(D.lbound()-i, D.ubound()-i);
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}
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inline Index1D operator-(Subscript i, Index1D &D)
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{
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return Index1D(i-D.lbound(), i-D.ubound());
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}
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} // namespace TNT
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#endif
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