// Return true if two routines return the same values (when no overflow).
static public bool IsConsistent(BinCoRoutine routine1, BinCoRoutine routine2)
{
long result1, result2;
for (int n = 0; n < 40; ++n)
{
for (int k = 0; k <= n; ++k)
{
try
{
result1 = routine1(n, k);
result2 = routine2(n, k);
}
catch (OverflowException)
{
continue;
}
if (result1 != result2)
{
Console.WriteLine("Conflicting values at n={0}, k={1}", n, k);
return(false);
}
}
}
return(true);
}
// Test for first failure of the supplied routine.
static public int GetMaxFullRow(BinCoRoutine routine)
{
for (int n = 0; n < 99; ++n)
{
for (int k = 0; k <= n; ++k)
{
try
{
long bc = routine(n, k);
}
catch (OverflowException)
{
return(n - 1);
}
}
}
return(-1);
}
// Return number of milliseconds to perform repetitive calculations.
static public long GetExecTime(BinCoRoutine routine)
{
var reps = 10000;
var nMax = 38;
var watch = new Stopwatch();
watch.Start();
for (int r = 0; r < reps; ++r)
{
for (int n = 0; n < nMax; ++n)
{
for (int k = 0; k < n; ++k)
{
long result = routine(n, k);
}
}
}
watch.Stop();
return(watch.ElapsedMilliseconds);
}