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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: Scale.cpp,v 1.2 2003/05/04 18:09:01 delpinux Exp $
#include <Scale.hpp>
#include <sstream>
//! Applies the scale to a vector \a v.
TinyVector<3>& Scale::operator()(TinyVector<3>& v) const
{
v[0] *= __scale[0];
v[1] *= __scale[1];
v[2] *= __scale[2];
return v;
}
//! Applies the inverse scale to a vector \a v.
TinyVector<3>& Scale::inverse(TinyVector<3>& v) const
{
v[0] /= __scale[0];
v[1] /= __scale[1];
v[2] /= __scale[2];
return v;
}
//! Prints scale informations to a std::string.
std::string Scale::povWrite() const
{
std::stringstream povs;
povs << "scale <"
<< __scale[0]
<< ", "
<< __scale[1]
<< ", "
<< __scale[2]
<< ">";
povs << std::ends;
return povs.str();
}
//! Default Constructor.
Scale::Scale()
{
__type = scale;
__scale = 0;
}
//! Constructs a Scale for a given set of scalings passed by \a v.
Scale::Scale(const TinyVector<3>& v)
{
__type = scale;
__scale = v;
}
//! Copy constructor.
Scale::Scale(const Scale& S)
{
__type = scale;
__scale = S.__scale;
}
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