Hallo, David!

*** Am 20. Januar 1997 um 18:53 schrieb David Noon an Tom Almy:

 TA>> trig functions break with large argument values. Try sin(1e30) --
 TA>> the result isn't between -1 and 1!

 DN> The issue arises over the uncertainty in the argument exceeding the
 DN> full cycle from 0 to 2*pi, which means that any value in the range -1
 DN> to 1 could be returned as being valid.

If you have a look at the graph of f(x)=sin(x) you will notice that it
returns a value between [-1,+1] for each argument, no matter how large it
is.

This is either a hardware bug of the FPU or an implementation bug.


Tschau...Thomas

--- E3-32/1.11-32/2.51+