int main(int argc, char* argv[])
{
double* vec;
vec = new double [(argc-1)];
for (int i = 1; i<argc; i++)
{
vec[i-1] = atof(argv[i]);
}
std::cout << "2-norm of vector is " << p_norm(vec, (argc-1)) << std::endl;
delete[] vec;
return 0;
}
void draw_ellipse_p(double x0, double y0, double xr, double yr, double p, char c) {
if ((xr <= 0) || (yr <= 0) || (p <= 0)) {
return;
}
int rect_x0 = (int) round(x0 - xr);
int rect_y0 = (int) round(y0 - yr);
int rect_x1 = (int) round(x0 + xr + 1);
int rect_y1 = (int) round(y0 + yr + 1);
for (int y = rect_y0; y < rect_y1; y++) {
for (int x = rect_x0; x < rect_x1; x++) {
if (p_norm((x - x0) / xr, (y - y0) / yr, p) <= 1) {
draw_char(x, y, c);
}
}
}
}
void draw_ellipse_p( double x0, double y0, double xr, double yr, double p, char ch )
{
if ( xr > 0 && yr > 0 && p > 0 )
{
for ( int i = 0; i < screen_width(); i++ )
{
for ( int j = 0; j < screen_height(); j++ )
{
double x = ( i - x0 ) / xr;
double y = ( j - y0 ) / yr;
double inEllipse = p_norm( x, y, p );
if ( inEllipse <= 1 )
{
draw_char( i, j, ch );
}
}
}
}
}
bool inside_ellipse(int x, int y, int x0, int y0, int xr, int yr, double p) {
return (p_norm((((double) x) - x0) / xr, (((double) y) - y0) / yr, p) <= 1);
}