:orphan:
# PetscSign
Returns the sign of a number as an integer 
## Synopsis
```
#include <petscmath.h>
int PetscSign(type v)
```
Not Collective


## Input Parameter

- ***v -*** the number





## Note
The type can be integer or real floating point value


## See Also
 `PetscAbsInt()`, `PetscAbsReal()`, `PetscAbsScalar()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscmath.h.html#PetscSign">include/petscmath.h</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/utils/dmplexlandau/tutorials/ex1.c.html">src/ts/utils/dmplexlandau/tutorials/ex1.c</A><BR>


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