What's bigger than a double?

Question

Is there a native c++ variable type that\'s \"bigger\" than a double?
float is 7
double is 15 (of course depending on the compiler)
Is there anything bigger tha

Answer 1

You can use GNU MP. Its floating-point functions have unlimited mantissa and 32-bit or 64-bit (depending on the native word size) exponent. It also comes with a C++ wrapper.