int SharedCache::replaceLine(ullong address){
	int evictPID = -1;

	int cacheSet = calcCacheSet( address );
	//random uniformly-distributed value for cache line
	float numLines = static_cast<float>(CACHE_LINES_PER_SET);
	uint cacheLine = static_cast<uint>(uniformDistr( numLines ));

	if(cache[cacheSet][cacheLine] != NULL){
		evictPID = cache[cacheSet][cacheLine]->PID;
	}

	uint PID= calcPID(address);
	uint tag= calcTag(address);

	cache[cacheSet][cacheLine]->setLine(PID, tag); //mutex method

	return PID;
}

gcc -o my_program SharedCache.o -ldistributions

gcc -o my_program SharedCache.o distributions.o