Stable Numerics Subroutine Library
Programming Reference Manual
Version 1.0 DD-00006-010
6.3.4 Special Assignment
rc_interval<T>& set_empty();
rc_interval<T>& set_whole();

These functions assign special states to the current interval K ∈RC  :

set_empty()


Set the interval empty, such that K = ∅  .

set_whole()


Set the interval to span the whole complex space, such that K =C  .