Tunichtgut questions

Tunichtgut answers

• Fast C++ sine and cosine alternatives for real-time signal processing
• Is there a calculation error in my program?
• Why does the output format of an int8_t use 4 bytes?
• Class A member template function declared as friend in class B can't access private members of class A (Clang only)
• In C++, why isn't it possible to friend a template class member function using the template type of another class?
• Efficiency of C++11 push_back() with std::move versus emplace_back() for already constructed objects