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/************************************************************************
 * MechSys - Open Library for Mechanical Systems                        *
 * Copyright (C) 2005 Dorival M. Pedroso                                *
 *                                                                      *
 * 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 3 of the License, or    *
 * 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, see <http://www.gnu.org/licenses/>  *
 ************************************************************************/

/* FmtNum - Copyright (C) 2007 Dorival de Moraes Pedroso */

#ifndef MPM_FMTNUM_H
#define MPM_FMTNUM_H

// STL
#include <iostream>
#include <iomanip>

namespace MPM {

struct FmtNum
{
    bool BoolAlpha;  
    bool Integer;    
    bool Scientific; 
    int  Width;      
    int  Precision;  
};

//                 bool  integ  scien   w   p
FmtNum _a     = {  true, false, false,  0,  0 }; 
FmtNum _3     = { false,  true, false,  3,  0 }; 
FmtNum _4     = { false,  true, false,  4,  0 }; 
FmtNum _6     = { false,  true, false,  6,  0 }; 
FmtNum _8     = { false,  true, false,  8,  0 }; 
FmtNum _3s    = { false, false,  true,  0,  3 }; 
FmtNum _8s    = { false, false,  true,  0,  8 }; 
FmtNum _4_2   = { false, false, false,  4,  2 }; 
FmtNum _6_3   = { false, false, false,  6,  3 }; 
FmtNum _12_6  = { false, false, false, 12,  6 }; 
FmtNum _20_15 = { false, false, false, 20, 15 }; 

std::ostream & operator<< (std::ostream & os, FmtNum const & FN)
{
         if (FN.BoolAlpha)  { os<<" "<<std::setw(6)<<std::boolalpha; return os; }
    else if (FN.Integer)    { os<<" "<<std::setw(FN.Width); return os; }
    else if (FN.Scientific) { os<<" "<<std::setw(FN.Precision+9)<<std::scientific<<std::setprecision(FN.Precision); return os; } // add 9
    else                    { os<<" "<<std::setw(FN.Width+1)<<std::fixed<<std::setprecision(FN.Precision); return os; } // add 1 (for sign)
}

}; // namespace MPM

#endif // MPM_FMTNUM_H