bit_width#

Fully qualified name: carb::cpp::bit_width

Defined in carb/cpp/Bit.h

template<class T>
int carb::cpp::bit_width(T val) noexcept#

Returns the number of bits needed to store val, or 0, if val is 0.

Same as 1 + floor(log2(x)).

Template Parameters:

T – An unsigned integral type

Parameters:

val – An unsigned integral value

Returns:

The number of bits needed to store val