public void SmartDouble_Parse_ToString_BruteForce_Heavy_Test()
{
int test_count = 10000000;
int parta_max = 1000000000;
int partb_max = 1000000000;
Random R = new Random();
for (int i = 0; i < test_count; i++)
{
string s_parta = R.Next(parta_max).ToString();
string s_partb = R.Next(partb_max).ToString();
while ((s_partb.Length > 0) && (s_partb[s_partb.Length - 1] == '0'))
{
s_partb = s_partb.Substring(0, s_partb.Length - 1);
}
string s_sd1 = s_parta;
if (!string.IsNullOrEmpty(s_partb))
{
s_sd1 += ("." + s_partb);
}
SmartDouble sd = SmartDouble.Parse(s_sd1);
string s_sd2 = sd.ToString();
Double d = Double.Parse(s_sd1);
string s_d2 = d.ToString();
// Cross
d = Double.Parse(s_sd2);
sd = SmartDouble.Parse(s_d2);
Double error = Math.Abs((d - sd) / d);
Assert.IsTrue(error < 1E-14, "Compare2DoubleHeavy " + s_sd1);
}
}
public void SmartDouble_Parse_ToString_BruteForce_Test()
{
int test_count = 10000000;
int parta_max = 1000000;
int partb_max = 1000000;
Random R = new Random();
for (int i = 0; i < test_count; i++)
{
string s_parta = R.Next(parta_max).ToString();
string s_partb = R.Next(partb_max).ToString();
// if (s_partb == "0")
// continue;
while ((s_partb.Length > 0) && (s_partb[s_partb.Length - 1] == '0'))
{
s_partb = s_partb.Substring(0, s_partb.Length - 1);
}
string s_sd1 = s_parta;
if (!string.IsNullOrEmpty(s_partb))
{
s_sd1 += ("." + s_partb);
}
//if (s_sd1.Length > 12)
// s_sd1 = s_sd1.Substring(0, 12);
SmartDouble sd = SmartDouble.Parse(s_sd1);
string s_sd2 = sd.ToString(8);
Double d = Double.Parse(s_sd1);
string s_d2 = d.ToString();
Assert.AreEqual(s_sd2, s_d2, "Compare2Double " + s_sd1);
}
}