petsc-3.12.4 2020-02-04
Report Typos and Errors

# PETSC_IGNORE

same as NULL, means PETSc will ignore this argument

### Note

Accepted by many PETSc functions to not set a parameter and instead use some default

### Fortran Notes

This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER, PETSC_NULL_DOUBLE_PRECISION etc

### See Also

PETSC_DECIDE, PETSC_DEFAULT, PETSC_DETERMINE

### Level

beginner

### Location

include/petscsys.h

### Examples

src/snes/examples/tutorials/ex5.c.html
src/snes/examples/tutorials/ex14.c.html
src/snes/examples/tutorials/ex15.c.html
src/snes/examples/tutorials/ex19.c.html
src/snes/examples/tutorials/ex22.c.html
src/snes/examples/tutorials/ex35.c.html
src/snes/examples/tutorials/ex58.c.html
src/snes/examples/tutorials/ex47cu.cu.html
src/ts/examples/tutorials/ex7.c.html
src/ts/examples/tutorials/ex12.c.html
src/ts/examples/tutorials/ex13.c.html
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages