Révision 268

pobysoPythonSage/src/sageSLZ/sageNumericalOperations.sage (revision 268)
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def sno_abs_is_power_of_two(number):
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    """
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    Check if the absolute value of a number is power of 2.
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    The built-in is_power_of_two, works with many kinds of numbers but
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    As of Sage 7.1, the built-in is_power_of_two, only works with integer and
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    returns false for negative ones.
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    """
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    return is_power_of_two(abs(number))
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    #return is_power_of_two(abs(number))
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    log2number = log(abs(number))/log(2)
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    return log2number.n() == long(log2number.n())
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# End sno_abs_is_power_of_two(number):
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#
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def sno_float_to_rat_pow_of_two_denom(number):

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