#4425: [with patch, needs review] sqrt(4) returns a SymbolicComposition instead 
of
the number 2!
------------------------------+---------------------------------------------
 Reporter:  was               |        Owner:  kcrisman
     Type:  defect            |       Status:  new     
 Priority:  major             |    Milestone:  sage-3.2
Component:  basic arithmetic  |   Resolution:          
 Keywords:                    |  
------------------------------+---------------------------------------------
Comment (by mhansen):

 I think that the .sqrt() method in Integer and Rational should call
 sqrt._do_sqrt instead of creating the SymbolicComposition themselves.  For
 example, see

 {{{
 sage: sqrt._do_sqrt(4)
 2
 sage: type(_)
 <class 'sage.calculus.calculus.SymbolicComposition'>
 sage: sqrt._do_sqrt(5)
 sqrt(5)
 sage: sqrt._do_sqrt(5, all=True)
 [sqrt(5), -sqrt(5)]
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4425#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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