Sunday, 4 December 2016
c++ faq - What does the C++ standard state the size of int, long type to be?
Answer
I'm looking for detailed information regarding the size of basic C++ types.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
But are there any standards for C++?
I'm using Visual Studio 2008 on a 32-bit architecture. Here is what I get:
char : 1 byte
short : 2 bytes
int : 4 bytes
long : 4 bytes
float : 4 bytes
double: 8 bytes
I tried to find, without much success, reliable information stating the sizes of char, short, int, long, double, float (and other types I didn't think of) under different architectures and compilers.
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