CPP/StaticConstInitialization
From ProgrammingExamples
< CPP
main.cpp
#include <iostream> #include "StaticConst.h" int main(int argc, char* argv[]) { std::cout << MyClass::float_sqrteps << std::endl; return 0; }
StaticConst.h
#ifndef STATIC_CONST_H #define STATIC_CONST_H class MyClass { public: // static const float float_sqrteps = 3.4526698307e-4f; // this is not ok static const float float_sqrteps; }; #endif
StaticConst.cpp
#include "StaticConst.h" const float MyClass::float_sqrteps = 3.4526698307e-4f;
CMakeLists.txt
cmake_minimum_required(VERSION 2.6) Project(StaticConst) ADD_EXECUTABLE(StaticConst main.cpp StaticConst.cpp) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=gnu++0x")