Function polynomial

src/myFunc.cpp:1381–1383

	return 0;
}
float polynomial(const float x, const double a, const double b, const double c){ //ax^2+bx+c
	return float(a*x*x+b*x+c);
}
float polynomial(const float x, const double * a, double ratio, int degree){
	double y = a[degree];
	for (int i = 0; i < degree; i++) {