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On Tue, 31 Jul 2012, Mark H Weaver wrote:
The default implementations of cexp, cexpf, and cexpl are broken when the real part of x is infinite and the imaginary part is non-finite (infinite or NaN).
In these cases, the complex phase of the result is indeterminate, and thus the only two sensible results are 0.0 + i*0.0 (when the real part of x is negative infinity) or NaN + i*NaN in all other cases.
I believe the present results are in accordance with what C99 and C11 (Annex G) specify [...]
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