[cmucl] #92: Type-derivation for log is inconsistent

[cmucl]

#92: Type-derivation for log is inconsistent
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  Reporter:  rtoy    |       Owner:  somebody
      Type:  defect  |      Status:  reopened
  Priority:  major   |   Milestone:          
 Component:  Core    |     Version:  2014-02 
Resolution:          |    Keywords:          
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Changes (by rtoy):

  * status:  closed => reopened
  * resolution:  fixed =>


Comment:

 This is actually incorrect.  We really want {{{log(-0)}}} to return
 {{{-inf + i*pi}}} so that the branch cuts of special functions can be
 computed correctly from the definition.

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Ticket URL: <http://trac.common-lisp.net/cmucl/ticket/92#comment:2>
cmucl <http://common-lisp.net/project/cmucl>
Cmucl is a high-performance, free Common Lisp implementation.