[vsipl++] [patch] Add functions for isfinite, isnan, and isnormal; use them from error_db

[Mark Mitchell]

Jules Bergmann wrote:

> Deep inside maxval there is a loop:
> 
>     maxval = X.get(0);
>     for (i= 1 .. size)
>       if (X.get(i) > maxval)
>         maxval = X.get(i)
> 
> If X.get(i) is a NaN, the comparison is false and the value is skipped 
> over.

I agree that this is the right behavior by default.  As you say, 
checking for this case would be too expensive.

-- 
Mark Mitchell
CodeSourcery
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