nextpow2
========

next higher power of 2.



Calling Sequence
~~~~~~~~~~~~~~~~


::

    t=nextpow2(x)




Arguments
~~~~~~~~~

:x real vector or matrix
: :p integer vector or matrix
:



Description
~~~~~~~~~~~

If `x` is a scalar, `nextpow2(x)` returns the first `p` such that `2^p
>= abs(x)` .if `x` is a vector or a matrix `nextpow2(x)` applies
element-wise.



Examples
~~~~~~~~


::

    nextpow2(127)
    nextpow2(128)
    nextpow2(0:10)




See Also
~~~~~~~~


+ `frexp`_ dissect floating-point numbers into base 2 exponent and
  mantissa


.. _frexp: frexp.html