If we take the HyperSpec as definition, we have a problem. Actually, we have a
problem in any case:
(1) -> )lisp (asin (complex -3.0 -0.1))
Value = #C(-1.535458462580241 -1.763409543539737)
(1) -> )lisp (asin (complex -3.0 0.0))
Value = #C(-1.5707963267948966 1.762747174039086)
(1) -> )lisp (asin (complex -3.0 0.1))
Value = #C(-1.535458462580241 1.763409543539737)
-- so, )lisp behaves according to the hyperspec
(1) -> asin(-3.0::DFLOAT -0.1*%i)
(1) - 1.535458462580241 - 1.763409543539737 %i
Type: Complex(DoubleFloat)
(2) -> asin(-3.0::DFLOAT -0.0*%i)
(2) - 1.5707963267948966 + 1.762747174039086 %i
Type: Complex(DoubleFloat)
(6) -> asin(-3.0::DFLOAT +0.1*%i)
(6) - 1.535458462580241 + 1.763409543539737 %i
Type: Complex(DoubleFloat)
-- so, DFLOAT too behaves according to the hyperspec
(7) -> asin(-3.0 - 0.1*%i)
(7) - 1.5354584625 802409281 - 1.7634095435 397370754 %i
Type: Complex(Float)
(8) -> asin(-3.0 - 0.0*%i)
(8) 1.5707963267 948966192 + 1.7627471740 390860505 %i
Type: Complex(Float)
(9) -> asin(-3.0 + 0.1*%i)
(9) - 1.5354584625 802409281 + 1.7634095435 397370754 %i
Type: Complex(Float)
-- Float doesn't.
Martin
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