PETSc version 3.17.4
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# PetscRealView

Prints an array of doubles; useful for debugging.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscRealView(PetscInt N,const PetscReal idx[],PetscViewer viewer)

Collective on PetscViewer

### Input Parameters

| N | - number of PetscReal in array
| idx | - array of PetscReal
| viewer | - location to print array, PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_STDOUT_SELF or 0

### Developer Notes

idx cannot be const because may be passed to binary viewer where byte swapping is done

### See Also

PetscIntView()

### Level

intermediate

### Location

src/sys/error/err.c

### Examples

src/mat/tutorials/ex10.c.html
src/dm/field/tutorials/ex1.c.html
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