On Fri, Sep 14, 2012 at 12:20:21PM +0200, Michal Mazurek wrote:
> strtod also accepts NAN, NAN(xxx) and INF as legal values. Missing part taken
> from FreeBSD, except that the documentation ommited "INF" and mentioned only
> "INFINITY".
> 

fixed now by martynas.
jmc

> Index: strtod.3
> ===================================================================
> RCS file: /cvs/src/lib/libc/stdlib/strtod.3,v
> retrieving revision 1.14
> diff -u -p -r1.14 strtod.3
> --- strtod.3  13 Sep 2008 22:48:45 -0000      1.14
> +++ strtod.3  14 Sep 2012 10:10:39 -0000
> @@ -87,7 +87,32 @@ or
>  .Sq e ,
>  followed by an optional plus or minus sign, followed by a sequence of digits.
>  .Pp
> -Leading whitespace characters in the string (as defined by the
> +Alternatively, if the portion of the string following the optional
> +plus or minus sign begins with
> +.Dq INF
> +or
> +.Dq NAN ,
> +ignoring case, it is interpreted as an infinity or a quiet \*(Na,
> +respectively.
> +The syntax
> +.Dq Xo Pf NAN( Ar "s" ) Xc ,
> +where
> +.Ar s
> +is an alphanumeric string, produces the same value as the call
> +.Fo nan
> +.Qq Ar s Ns
> +.Fc
> +(respectively,
> +.Fo nanf
> +.Qq Ar s Ns
> +.Fc
> +and
> +.Fo nanl
> +.Qq Ar s Ns
> +.Fc . )
> +.Pp
> +In any of the above cases, leading whitespace characters in the
> +string (as defined by the
>  .Xr isspace 3
>  function) are skipped.
>  .Sh RETURN VALUES
> 
> -- 
> Michal Mazurek

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