string -> float -> doubleチェック

test.cc

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class test : MonoBehaviour {

	public float m_float = 0f;
	public double m_double = 0d;
	public string m_input = "";
	public string m_out = "";

	void Start()
	{

		for (int i = 16777000; i < 16777250; ++i)
		{
			m_input = i.ToString();
#if true // string -> float -> double
			m_float = float.Parse(m_input);
			m_double = m_float;
#else  // string -> doiuble
			m_double = double.Parse(m_input);
#endif
			m_out = m_double.ToString();
			if (m_input != m_out)
			{
				Debug.Log(" ++++++++++++++++++++++ ");
				Debug.Log(m_input);
				Debug.Log(m_out);
				//Debug.Log(m_float.ToString("G17"));
			}
		}

	}

}