From: Mohamed Iqbal (miqbal_at_[hidden])
Date: 2003-12-11 22:25:46
> > 26.2/2: The effect of instantiating the template complex for any type
> > other than float, double or long double is unspecified.
> > isn't it fun?! <wink>
> Does anybody know the reason for that?
Some implementers wanted restrictions to ease very optimized
implementations, especually when it come to copying. It is a rather dumb
restriction. I use complex<int> but wouldn't try <complex<X> for a type X
with a copy constructor.
Another reason is: some of the mathematical operations are not meaningful if
represent a fractional value.
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