Stable Numerics Subroutine Library
Programming Reference Manual
Version 1.2 DD-00006-012

6.2.4 Special Assignment

kc_interval<T>& set_empty(); 
kc_interval<T>& set_whole();

These functions assign special states to the current interval k∈ KC:

set_empty()


Set the interval empty, such that K = ∅.

set_whole()


Set the interval to span the whole complex space, kr= ∞.