Pooria questions

• How to distinguish between 1 and zero floating-point values?
• size of a stack frame always fixed?
• Is this rule about volatile usage strict?
• Is there the possibility of having one version of machine code for all template arguments of a templated function?
• why wasn't the idea of nested functions, implemented in older c++ standard?
• would doing arithmetic operation on a pair of signed and unsigned numbers be legal?
• How should I do this explicit specialization?
• May a compiler ever generate code to unload parts of the code segment during execution?
• would ever passing a variable of an integral type to functions by reference be more efficient than by value?
• What precision are floating-point arithmetic operations done in?

Pooria answers