Utilities.h

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//=====================================================================================
//=====================================================================================
 
#pragma once
 
namespace krotos
{
 
    bool isPositivePowerOfTwo(int x)
    {
        // if x is positive
        if (x > 0)
        {
            // while x is even and larger than 1
            while (((x % 2) == 0) && x > 1)
            {
                // divide by 2
                x = x / 2;
            }
 
            // if x is a power of 2 x will now be equal to 1
            return (x == 1);
        }
        else // otherwise, x is 0 or less, so return false
        {
            return false;
        }
    }
 
    float phaseWrap(float p)
    {
        while (p <= (-M_PI))
        {
            p += static_cast<float>(2 * M_PI);
        }
 
        while (p > M_PI)
        {
            p -= static_cast<float>(2 * M_PI);
        }
 
        return p;
    }
} // namespace krotos