public static void Main()
{
runstate = 2; // use codepoints
Console.WriteLine("Kiwi Demo - L/U decomposition");
SimuSolve ssolve = new SimuSolve(problemSize);
Kiwi.KppMark("Start");
generate_example_coefficients();
runstate = 3; // use codepoints
MatrixLib.copy2d(UUtop, coefficients);
runstate = 4; // use codepoints
ssolve.DecomposeVerbose(LLtop, UUtop);
runstate = 5; // use codepoints
Console.WriteLine("Kiwi L/U demo - coefficient matrix decomposed.");
Kiwi.KppMark("Coefficients Created");
for (int test = 0; test < 3; test++)
{
runstate = 10 + test; // use codepoints
Console.WriteLine("\nKiwi L/U demo - L/U decomposition test with rhs no {0}.", test);
generate_example_rhs(test, true);
float [] sol = ssolve.SolveVerbose(LLtop, UUtop, target_rhs);
// Now see if it works as a solution
Console.Write("Substitute back - rhs given by solution is: y=");
MatrixLib.printa(MatrixLib.mpx(res, coefficients, sol));
runstate = 9;
for (int i = 0; i < res.Length; i++)
{
out_idx = i;
out_data = res[i];
}
}
runstate = 20;
Kiwi.KppMark("ThreeTestsFinished");
Console.WriteLine("Kiwi L/U demo - L/U decomposition demo complete at {0}.", Kiwi.tnow);
}
public static void Main()
{
bool kpp = true;
elimit = limit;
Kiwi.KppMark("START", "INITIALISE"); // Waypoint
Console.WriteLine("Primes Up To " + limit);
Kiwi.Pause();
PA[0] = vol > 0; // Process some runtime input data on this thread - prevents Kiwic running the whole program at compile time.
Kiwi.Pause();
// Clear array
count1 = 2; count = 0; // RESET VALUE FAILED AT ONE POINT: HENCE NEED THIS LINE
for (int woz = 0; woz < limit; woz++)
{
Kiwi.Pause();
PA[woz] = true;
Console.WriteLine("Setting initial array flag to hold : addr={0} readback={1}", woz, PA[woz]); // Read back and print.
}
Kiwi.KppMark("wp2", "CROSSOFF"); // Waypoint
int i, j;
for (i = 2; i < limit; i++) // Can our predictor cope with the standard optimisations?
{
Kiwi.Pause();
// Cross off the multiples - optimise by skipping where the base is already crossed off.
if (evariant_master > 0)
{
bool pp = PA[i];
Console.WriteLine(" tnow={2}: scaning up for live factor {0} = {1} ", i, pp, Kiwi.tnow);
if (!pp)
{
continue;
}
count1 += 1;
}
// Can further optimise by commencing the cross-off at the factor squared.
j = (evariant_master > 1) ? i * i : i + i;
if (j >= limit)
{
Console.WriteLine("Skip out on square");
break;
}
for (; j < limit; j += i)
{
Console.WriteLine("Cross off {0} {1} (count1={2})", i, j, count1);
Kiwi.Pause(); PA[j] = false;
}
}
Kiwi.KppMark("wp3", "COUNTING"); // Waypoint
Console.WriteLine("Now counting");
// Count how many there were and store them consecutively in the output array.
for (int w = 0; w < limit; w++)
{
Kiwi.Pause();
if (PA[w])
{
count += 1;
if (false)
{
// PY[count] = (uint)w;
// PZ1[count] = w;
// PZ2[count] = w;
}
}
Console.WriteLine("Tally counting {0} {1}", w, count);
//Console.WriteLine("Tally counting {0} {1} at {2}", w, count, Kiwi.tnow);
}
Console.WriteLine("There are {0} primes below the natural number {1}.", count, limit);
Console.WriteLine("Optimisation variant={1} (count1 is {0}).", count1, evariant_master);
Kiwi.Pause();
Kiwi.Pause();
Kiwi.KppMark("FINISH"); // Waypoint
Kiwi.Pause();
finished = true;
Kiwi.Pause();
}
