downward_unstable

treams_core::special::integrals::gamma

Function downward_unstable 

Source 
fn downward_unstable(n: f64, base: f64, radius: f64) -> bool
Expand description

Whether the rounding error of the downward recurrence from base to n grows beyond RECURRENCE_GROWTH: the step to degree d amplifies it by max(1, |z|/|d|).