bernreal() bug

[Igor Schein <igor@txc.com>]

Hi,

? bernreal(2^13)
^C  ***   user interrupt after 2,490 ms.

? bernreal(2^13)
0.E-2525222

Now this bogus result is somehow cached, and in order to repeat the
computation to get the correct result, one must start a new session.

Thanks
	
Igor