petsc-3.5.2 2014-09-08
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VecStepBoundInfo

See below

Synopsis

#include "petscvec.h"  
PetscErrorCode VecStepBoundInfo(Vec X, Vec DX, Vec XL, Vec XU, PetscReal *boundmin, PetscReal *wolfemin, PetscReal *boundmax)
Collective on Vec

Input Parameters

X - vector with no negative entries
XL - lower bounds
XU - upper bounds
DX - step direction, can have negative, positive or zero entries

Output Parameter

boundmin - maximum value so that XL[i] <= X[i] + boundmax*DX[i] <= XU[i]
wolfemin -
boundmax - minimum value so that X[i] + boundmax*DX[i] <= XL[i] or XU[i] <= X[i] + boundmax*DX[i]

Level:advanced
Location:
src/vec/vec/utils/projection.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages