RGIsTrivial#

Whether it is the trivial region (whole complex plane).

Synopsis#

#include "slepcrg.h" 
PetscErrorCode RGIsTrivial(RG rg,PetscBool *trivial)

Not Collective

Input Parameter#

  • rg - the region context

Output Parameter#

  • trivial - true if the region is equal to the whole complex plane, e.g., an interval region with all four endpoints unbounded or an ellipse with infinite radius.

See Also#

RG: Region, RGCheckInside()

Level#

beginner

Location#

src/sys/classes/rg/interface/rgbasic.c

Implementations#

RGIsTrivial_Ellipse() in src/sys/classes/rg/impls/ellipse/rgellipse.c
RGIsTrivial_Interval() in src/sys/classes/rg/impls/interval/rginterval.c
RGIsTrivial_Polygon() in src/sys/classes/rg/impls/polygon/rgpolygon.c
RGIsTrivial_Ring() in src/sys/classes/rg/impls/ring/rgring.c

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