Follow-up Comment #1, bug #59911 (project gsl):
cosh(x) dx is d(sh x). If you name that variable u, you have an integral of
exp(-sqrt(1+u^2)). This function seems to better behave at infinity, it
doesn't have accuracy errors because as the previous product of a very large
and very small function.
_______________________________________________________
Reply to this item at:
<https://savannah.gnu.org/bugs/?59911>
_______________________________________________
Message sent via Savannah
https://savannah.gnu.org/