HP-MPI User's Guide (11th Edition)

Example applications

sort.C

Appendix A 269

Entry **entries;

int numOfEntries;

public:

BlockOfEntries(int *numOfEntries_p, int offset);

~BlockOfEntries();

int getnumOfEntries()

{ return numOfEntries; }

void setLeftShadow(const Entry &e)

{ *(entries[0]) = e; }

void setRightShadow(const Entry &e)

{ *(entries[numOfEntries-1]) = e; }

const Entry& getLeftEnd()

{ return *(entries[1]); }

const Entry& getRightEnd()

{ return *(entries[numOfEntries-2]); }

void singleStepOddEntries();

void singleStepEvenEntries();

void verifyEntries(int myRank, int baseLine);

void printEntries(int myRank);

};

// Class member definitions.

const Entry MAXENTRY(INT_MAX);

const Entry MINENTRY(INT_MIN);

//BlockOfEntries::BlockOfEntries

//Function:- create the block of entries.

BlockOfEntries::BlockOfEntries(int *numOfEntries_p, int

myRank)

{

// Initialize the random number generator's seed based on the

caller's rank;

// thus, each rank should (but might not) get different random

values.

srand((unsigned int) myRank);

numOfEntries = NUM_OF_ENTRIES_PER_RANK;