#5420: imag(complex(0,1)) gives TypeError (easy)
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Reporter: jason | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: algebra | Keywords:
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{{{
sage: imag(complex(0,1))
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/grout/.sage/temp/good/9936/_home_grout__sage_init_sage_0.py in
<module>()
/home/grout/sage/local/lib/python2.5/site-
packages/sage/misc/functional.pyc in imag(x)
376 Return the imaginary part of x.
377 """
--> 378 try: return x.imag()
379 except AttributeError: return CDF(x).imag()
380
TypeError: 'float' object is not callable
}}}
This is because complex(0,1).imag is a number, not a function, so trying
to call that number gives the error. As Robert Bradshaw said on the
mailing list, Sage's imag() should really know about python complex
numbers.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5420>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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