136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Module: FGColumnVector3.cpp
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Author: Originally by Tony Peden [formatted here by JSB]
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Date started: 1998
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Purpose: FGColumnVector3 class
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Called by: Various
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------------- Copyright (C) 1998 Tony Peden and Jon S. Berndt (jon@jsbsim.org) -
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU Lesser General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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HISTORY
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--------------------------------------------------------------------------------
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??/??/?? TP Created
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03/16/2000 JSB Added exception throwing
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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INCLUDES
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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#include "FGJSBBase.h"
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#include "FGColumnVector3.h"
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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#include <cmath>
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using namespace std;
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namespace JSBSim {
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IDENT(IdSrc,"$Id: FGColumnVector3.cpp,v 1.17 2014/01/13 10:46:03 ehofman Exp $");
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IDENT(IdHdr,ID_COLUMNVECTOR3);
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CLASS IMPLEMENTATION
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
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FGColumnVector3::FGColumnVector3(void)
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{
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data[0] = data[1] = data[2] = 0.0;
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// Debug(0);
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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string FGColumnVector3::Dump(const string& delimiter) const
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{
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ostringstream buffer;
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buffer << std::setprecision(16) << data[0] << delimiter;
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buffer << std::setprecision(16) << data[1] << delimiter;
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buffer << std::setprecision(16) << data[2];
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return buffer.str();
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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ostream& operator<<(ostream& os, const FGColumnVector3& col)
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{
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os << col(1) << " , " << col(2) << " , " << col(3);
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return os;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FGColumnVector3 FGColumnVector3::operator/(const double scalar) const
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{
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if (scalar != 0.0)
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return operator*( 1.0/scalar );
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cerr << "Attempt to divide by zero in method \
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FGColumnVector3::operator/(const double scalar), \
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object " << data[0] << " , " << data[1] << " , " << data[2] << endl;
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return FGColumnVector3();
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FGColumnVector3& FGColumnVector3::operator/=(const double scalar)
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{
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if (scalar != 0.0)
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operator*=( 1.0/scalar );
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else
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cerr << "Attempt to divide by zero in method \
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FGColumnVector3::operator/=(const double scalar), \
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object " << data[0] << " , " << data[1] << " , " << data[2] << endl;
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return *this;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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double FGColumnVector3::Magnitude(void) const
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{
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return sqrt( data[0]*data[0] + data[1]*data[1] + data[2]*data[2] );
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FGColumnVector3& FGColumnVector3::Normalize(void)
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{
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double Mag = Magnitude();
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if (Mag != 0.0)
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operator*=( 1.0/Mag );
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return *this;
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}
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//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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double FGColumnVector3::Magnitude(const int idx1, const int idx2) const {
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return sqrt( data[idx1-1]*data[idx1-1] + data[idx2-1]*data[idx2-1] );
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}
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} // namespace JSBSim
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