Technical facts

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppGetMaxDouble/CppGetMaxDouble.pro


include(../../ConsoleApplication.pri) #Or use the code below

# QT += core

# QT += gui

# greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

# CONFIG   += console

# CONFIG   -= app_bundle

# TEMPLATE = app

# CONFIG(release, debug|release) {

#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL

# }

# QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++

# unix {

#   QMAKE_CXXFLAGS += -Werror

# }



include(../../Libraries/Boost.pri) #Or use the code below

# win32 {

#   INCLUDEPATH += \

#     ../../Libraries/boost_1_54_0

# }



SOURCES += main.cpp

./CppGetMaxDouble/main.cpp


#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#pragma GCC diagnostic ignored "-Wunused-but-set-parameter"

#include <cassert>

#include <iostream>

#include <limits>



#include <boost/numeric/conversion/bounds.hpp>

#pragma GCC diagnostic pop



///GetMaxDouble returns the highest possible value of a double.

///From http://www.richelbilderbeek.nl/CppGetMaxDouble.htm

double GetMaxDoubleStl()

{

  return std::numeric_limits<double>::max();

}



///GetMaxDouble returns the highest possible value of a double.

///From http://www.richelbilderbeek.nl/CppGetMaxDouble.htm

double GetMaxDoubleBoost()

{

  return boost::numeric::bounds<double>::highest();

}



int main()

{

  assert(GetMaxDoubleStl() == GetMaxDoubleBoost());

  std::cout

    << GetMaxDoubleBoost() << '\n'

    << GetMaxDoubleStl() << std::endl

  ;

}



/*



1.79769e+308

1.79769e+308

Press <RETURN> to close this window...



*/

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(C++) GetMaxDouble

Technical facts

Qt project file: ./CppGetMaxDouble/CppGetMaxDouble.pro

./CppGetMaxDouble/main.cpp