petsc-3.6.1 2015-08-06

TSVISetVariableBounds

Sets the lower and upper bounds for the solution vector. xl <= x <= xu

#include "petscts.h"  
PetscErrorCode TSVISetVariableBounds(TS ts, Vec xl, Vec xu)

ts -the TS context.

xl -lower bound.

xu -upper bound.

If this routine is not called then the lower and upper bounds are set to PETSC_NINFINITY and PETSC_INFINITY respectively during SNESSetUp().