Skip to main content
`Ctrl`+`K`

# PETSC_SQRT_MACHINE_EPSILON

the square root of the machine epsilon for the precision of `PetscReal`

## Note

See `PETSC_MACHINE_EPSILON`

## See Also

`PETSC_MAX_REAL`, `PETSC_MIN_REAL`, `PETSC_REAL_MIN`, `PETSC_MACHINE_EPSILON`, `PETSC_SMALL`

## Level

beginner

## Location

include/petscmath.h

## Examples

src/snes/tutorials/ex12.c

Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages