PetscTrValid

Test the memory for corruption. This can be used to check for memory overwrites.

#include "petsc.h" 
int PetscTrValid(int line,const char function[],const char file[],const char dir[])

	line	- line number where call originated.
	function	- name of function calling
	file	- file where function is
	dir	- directory where function is

The number of errors detected.

Error messages are written to stdout.

You should generally use CHKMEMQ or CHKMEMA as a short cut for calling this routine.

The line, function, file and dir are given by the C preprocessor as __LINE__, __FUNCT__, __FILE__, and __DIR__

The Fortran calling sequence is simply PetscTrValid(ierr)

No output is generated if there are no problems detected.