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++11

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppTemplateFunctionExample1/CppTemplateFunctionExample1.pro


TEMPLATE = app

CONFIG += console

CONFIG -= app_bundle

CONFIG -= qt



SOURCES += main.cpp



CONFIG(release, debug|release) {

  DEFINES += NDEBUG

}



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



unix {

  QMAKE_CXXFLAGS += -Werror

}



win32 {

  INCLUDEPATH += \

    ../../Libraries/boost_1_54_0

}

./CppTemplateFunctionExample1/main.cpp


int AbsInt(const int n) { return n < 0 ? -n : n; }



double AbsDouble(const double n) { return (n < 0 ? -n : n); }



template <class T>

T Abs(const T n) { return n < 0 ? -n : n; }



#include <cassert>

#include <cmath>



int main()

{

  const double pi = M_PI;



  assert(AbsInt( 42) == 42);

  assert(AbsInt(-42) == 42);

  assert(AbsDouble( pi) == pi);

  assert(AbsDouble(-pi) == pi);



  assert(Abs( 42) == 42);

  assert(Abs(-42) == 42);

  assert(Abs( pi) == pi);

  assert(Abs(-pi) == pi);

}

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(C++) TemplateFunctionExample1

Technical facts

Qt project file: ./CppTemplateFunctionExample1/CppTemplateFunctionExample1.pro

./CppTemplateFunctionExample1/main.cpp