PETSc version 3.16.5
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# PetscUnlikely

hints the compiler that the given condition is usually FALSE

### Synopsis

    #include <petscsys.h>
    PetscBool  PetscUnlikely(PetscBool  cond)

Not Collective

### Input Parameters

| cond | - condition or expression

### Notes

This returns the same truth value, it is only a hint to compilers that the resulting branch is unlikely.

### See Also

PetscUnlikelyDebug(), PetscLikely(), CHKERRQ

### Level

advanced

### Location

include/petscsys.h

### Examples

src/sys/tutorials/ex6.c.html
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