issue with inf from exp function

[Alex]

On Wednesday, 7 March 2018 at 15:44:28 UTC, Matt Gamble wrote:
> I don't understand why I'm getting an 'inf' by raising E to a 
> real number, e^^710.0L. See below.
>
> import std.stdio;
> import std.math;
>
> unittest
> {
> 	writefln("ln(largest double) = %s", log(double.max)); // 
> 709.783
> 	writefln("e^710 = %s", exp(710.0));// inf, makes sense
>
> 	writefln("ln(largest real) = %s", log(real.max)); // 11356.6
> 	real t = 710.0;
> 	writefln("e^710 = %s", exp(t)); //why is this inf???
> }
>
> Any help would be greatly appreciated. I have functions in an 
> actual program that are giving me a headache due to this issue.

works for me as expected.

ln(largest double) = 709.783
e^710 = inf
ln(largest real) = 11356.5
e^710 = 2.23399e+308