BuiltInOperators.cpp

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#include "zserio/BuiltInOperators.h"
 
namespace zserio
{
 
namespace builtin
{
 
uint8_t numBits(uint64_t numValues)
{
    if (numValues == 0)
    {
        return 0;
    }
 
    uint8_t result = 1;
    uint64_t current = (numValues - 1U) >> 1U;
    while (current > 0)
    {
        result++;
        current >>= 1U;
    }
 
    return result;
}
 
} // namespace builtin
 
} // namespace zserio