public static void GetDifference(long firstId, long secondId, string outputDirectory,
params Expression <Func <Result, double> >[] selector)
{
(Result[], Session)first;
(Result[], Session)second;
using (var con = DataStrageManager.CreateConnection())
{
first = DataStrageManager.Load(firstId, con);
second = DataStrageManager.Load(secondId, con);
}
using (var wtr =
new ReportWriter($"{outputDirectory}/{first.Item2.Description}_{second.Item2.Description}.tsv",
false))
{
wtr.WriteLine(
"first_description\tsecond_description\tmethod\tdegrees\tradians\tfirst_result\tsecond_result\tdifference",
WriteOn.Stream);
foreach (var impl in selector.Select(x => (method: x.Compile(), name: NameBuilder.BuildName(x))))
{
wtr.WriteLine(impl.name, WriteOn.Console);
for (int i = 0; i < first.Item1.Length; i++)
{
var f = first.Item1[i];
var s = second.Item1[i];
wtr.WriteLine(
$"{first.Item2.Description}\t{second.Item2.Description}\t{impl.name}\t{f.InputDegrees:g17}\t{f.InputRadians:g17}\t{impl.method(f):g17}\t{impl.method(s):g17}\t{Math.Abs(impl.method(f) - impl.method(s)):g17}",
WriteOn.Stream);
}
}
}
}
private static void Check(long first, long second, SQLiteConnection connection, ReportWriter writer, Func <Result, double>[] selector)
{
var(fResults, fSession) = DataStrageManager.Load(first, connection);
var(sResults, sSession) = DataStrageManager.Load(second, connection);
if (first == second)
{
writer.WriteLine(Format(fSession, sSession, "ー"));
return;
}
if (fResults.Length != sResults.Length)
{
writer.WriteLine(Format(fSession, sSession, "LengthMismatch!"));
return;
}
var diffResult = true;
for (int i = 0; i < fResults.Length; i++)
{
var f = fResults[i];
var s = sResults[i];
foreach (var func in selector)
{
if (func(f) != func(s))
{
diffResult = false;
break;
}
}
}
writer.WriteLine(Format(fSession, sSession, diffResult ? "○" : "×"));
}