If $f$ is a real BSpline and $a, b$ are real numbers, then is there a numerically stable way to evaluate the following expression?
$\int_a^b f (\log x) \mathrm{d}x$
If $f$ is a real BSpline and $a, b$ are real numbers, then is there a numerically stable way to evaluate the following expression? $\int_a^b f (\log x) \mathrm{d}x$ 

