2.7(SqrtNewtonMethod)

//https://vk.com/evgenykravchenko0

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#include <stdio.h>
float Method_Newt_sqrt(float x, float now, float next)
{
  if (now - next > 0.00001)
  {
    now = next;
    next = (now + x / now) / 2.0f;
    return Method_Newt_sqrt(x, now, next);
  }
  else
    return next;
}

int main()
{
  float x;
  float y;
  float sqr;
  float next;

  printf("Введите значение x : ");
  scanf("%f", &x);

  y = x / 2.0f;
  next = (y + x / y) / 2.0f;
  sqr = Method_Newt_sqrt(x, y, next);

  printf("Корень из %.0f = %.5f\n", x, sqr);

  return 0;
}