/*!
n個の[xMin,xMax],[yMin,yMax]の点をランダムに生成して返す
*/
vector<Point> genRandomPoint(const int n, const int xMin, const int xMax, const int yMin, const int yMax){
vector<Point> points;
for(int i=0; i<n; i++){
boost::int64_t x = getRandomVal(xMin, xMax), y = getRandomVal(yMin, yMax);
points.push_back(Point(x,y));
}
return points;
}
void getFlops(void *threadId) {
volatile long i;
volatile float x, y;
long thId = (long)threadId;
float bound = 1e6;
double emptyTime, addTime;
clock_t start = clock();
for(i = 0; i < INT_MAX; i++ ){}
clock_t fin = clock() - start;
emptyTime = fin / CLOCKS_PER_SEC;
x = getRandomVal(bound);
y = getRandomVal(bound);
start = clock();
for(i = 0; i < INT_MAX; i++ ){
x += y;
}
fin = clock() - start;
addTime = fin / CLOCKS_PER_SEC;
addTime -= emptyTime;
std::cout << "Time of the add loop (FLOPS): " << addTime << " s in thread #"<< thId << "\n\n";
float flops = INT_MAX / addTime;
std::cout << "GFLOPS in thread #"<< thId << ": " << flops/1e9 << "\n\n";
}
