Result of math overflow error in Python

MathOverflow.py

recursive_func(Quaternion.random(), 10, Quaternion.exp)

    0.401 +0.349i +0.310j +0.182k
    1.309 +0.500i +0.443j +0.260k
    2.792 +1.698i +1.504j +0.884k
    -12.401 +7.391i +6.550j +3.847k
    -0.000 -0.000i -0.000j -0.000k
    1.000 -0.000i -0.000j -0.000k
    2.718 -0.000i -0.000j -0.000k
    15.154 -0.000i -0.000j -0.000k
    3814029.270 -415.916i -368.566j -216.488k



    ---------------------------------------------------------------------------
    
    OverflowError                             Traceback (most recent call last)
    
    <ipython-input-16-7b7585737b8a> in <module>
    ----> 1 recursive_func(Quaternion.random(), 10, Quaternion.exp)


    <ipython-input-15-bee1b782b391> in recursive_func(q, ntimes, func)
          1 def recursive_func(q, ntimes, func):
          2     for i in range(ntimes):
    ----> 3         q = func(q)
          4         print(q)
          5     return


    ~/ownCloud/root/code/ipython-notebooks/research/julia/pyquaternion/pyquaternion/quaternion.py in exp(cls, q)
        642         if v_norm > tolerance:
        643             vec = vec / v_norm
    --> 644         magnitude = exp(q.scalar)
        645         return Quaternion(scalar = magnitude * cos(v_norm), vector = magnitude * sin(v_norm) * vec)
        646 


    OverflowError: math range error