Integrate a function over the interval \( (-\infty,\infty) \) (GSL)
See gslinte_subsect in the User’s guide for general information about the GSL integration classes.
Public Functions
-
int
integ_i_err
(func_t &func, double &res, double &err)
Integrate function func
from \( \infty \) to \( \infty \) giving result res
and error err
.
-
int
integ_err
(func_t &func, double a, double b, double &res, double &err)
Integrate function func
from \( \infty \) to \( \infty \) giving result res
and error err
.
The values a
and b
are ignored
Protected Functions
-
double
transform
(double t, func_t &func)
Tranformation to \( t \in (0,1] \).