PETSc version 3.17.4
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# PetscLikely

Hints the compiler that the given condition is usually TRUE

### Synopsis

    #include <petscmacros.h>
    bool PetscLikely(bool cond)

Not Collective

### Input Parameter

| cond | - Boolean expression

### Notes

Not available from fortran.

This returns the same truth value, it is only a hint to compilers that the result of cond is likely to be true.

### Example usage

      if (PetscLikely(cond)) {
        foo(); // hot path
      } else {
        bar(); // cold path
      }

### See Also

PetscUnlikely(), PetscDefined(), PetscHasAttribute()
PETSC_ATTRIBUTE_COLD

### Level

advanced

### Location

include/petscmacros.h

### Examples

src/sys/tutorials/ex6.c.html
Index of all Sys routines
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