Stl Vector Contiguity Test

stlVectorTest.cpp

#include <iostream>
#include <Accelerate/Accelerate.h>
using namespace std;
#include <vector>

int main (int argc, char * const argv[]) {
    // insert code here...
	cout << "Vector Test\n";
	int datasize = 100000;
	float x[datasize];
	vector<float> y;
	for(int i=0; i < datasize; i++) {
		float r = (float) rand() / (float)RAND_MAX;
		x[i] = r;
		y.push_back(r);
	}
	
	int contiguous = memcmp(x, &(y[0]), sizeof(float) * datasize);
	if (contiguous == 0) {
		cout << "Test 1: Passed";
	}
	else{
		cout << "Test 1: Failed";
	}
	cout << endl;
	
	//do some vector processing
	vDSP_vrvrs(x, 1, datasize);
	vDSP_vrvrs(&(y[0]), 1, datasize);

	vDSP_vssq(x, 1, x, 1, datasize);
	vDSP_vssq(&(y[0]), 1, &(y[0]), 1, datasize);
	
	contiguous = memcmp(x, &(y[0]), sizeof(float) * datasize);
	if (contiguous == 0) {
		cout << "Test 2: Passed";
	}
	else{
		cout << "Test 2: Failed";
	}
	cout << endl;
	
    return 0;
}