#include "MathFunctions.h" #include // a hack square root calculation using simple operations double mysqrt(double x) { if (x <= 0) { return 0; } double result = x; // do ten iterations for (int i = 0; i < 10; ++i) { if (result <= 0) { result = 0.1; } double delta = x - (result * result); result = result + 0.5 * delta / result; std::cout << "Computing sqrt of " << x << " to be " << result << std::endl; } return result; }