#include "tree.h"

Branch::Branch(double length, double radius)
  : length {length}, radius {radius}
{}

double Branch::volume() const
{
  return length * radius * radius * 3.14;
}

Tree::Tree(std::string const& species)
  : branches{}, species {species}
{}

void Tree::add_branch(Branch const& b)
{
  branches.push_back(b);
}

void Tree::print(std::ostream& os) const
{
  os << "Trädet har " << branches.size()
     << " grenar och är av arten " << species << "." << std::endl;
}

double Tree::volume() const
{
  double result {0.0};
  for (Branch b : branches)
  {
    result += b.volume();
  }
  
  return result;
}