Waldek Hebisch <[EMAIL PROTECTED]> writes:
> Martin Rubey wrote:
> > (2) -> log(-2::Complex DFLOAT)
...
> > I wonder where the -0.0 comes from...
>
> (3) -> parse("log(-2::Complex DFLOAT)")$INFORM
>
> (3) (log (- (:: 2 (Complex DFLOAT))))
> Type: InputForm
>
> so, 2 is first converted to complex and then the result is negated.
OK. So I have to tell SBCL that I do not want -0.0...
(73) -> )lisp (log (- (complex 2.0)))
Value = #C(0.6931471805599453 -3.141592653589793)
(73) -> )lisp (log (complex -2.0))
Value = #C(0.6931471805599453 3.141592653589793)
Martin
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