petsc-3.5.4 2015-05-23
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PETSC_NULL

 standard way of passing in a null or array or pointer. This is deprecated in C/C++ simply use NULL

Notes: accepted by many PETSc functions to not set a parameter and instead use some default

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

See Also

PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE

Level:beginner
Location:include/petscsys.h
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages