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# scipy.special.errstate

class `scipy.special.``errstate`(**kwargs)

  with errstate(**state): –> operations in following block use given state.

  # Set error handling to known state. >>> _ = np.seterr(invalid=’raise’, divide=’raise’, over=’raise’, ... under=’ignore’)

      >>> a = -np.arange(3)
      >>> with np.errstate(invalid='ignore'): # doctest: +SKIP
      ...     print np.sqrt(a)                # with statement requires Python 2.5
      [ 0.     -1.#IND -1.#IND]
      >>> print np.sqrt(a.astype(complex))
      [ 0.+0.j          0.+1.j          0.+1.41421356j]
      >>> print np.sqrt(a)
      Traceback (most recent call last):
       ...
      FloatingPointError: invalid value encountered in sqrt
      >>> with np.errstate(divide='ignore'):  # doctest: +SKIP
      ...     print a/0
      [0 0 0]
      >>> print a/0
      Traceback (most recent call last):
          ...
      FloatingPointError: divide by zero encountered in divide

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