PETSc version 3.16.5
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# VecStepMaxBounded

See below

### Synopsis

    #include "petscvec.h"
    PetscErrorCode VecStepMaxBounded(Vec X, Vec DX, Vec XL, Vec XU, PetscReal *stepmax)

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

| stepmax | - minimum value so that X[i] + stepmax*DX[i] <= XL[i] or XU[i] <= X[i] + stepmax*DX[i]

### Level

intermediate

### Location

src/vec/vec/utils/projection.c
Index of all Vec routines
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Index of all manual pages