public void setup(final EvolutionState state, final Parameter base) {
super.setup(state, base);
Parameter def = defaultBase();
int numSelects = state.parameters.getInt(base.push(P_NUMSELECTS), def.push(P_NUMSELECTS), 1);
if (numSelects == 0)
state.output.fatal(
"The number of MultiSelection sub-selection methods must be >= 1).",
base.push(P_NUMSELECTS),
def.push(P_NUMSELECTS));
// make our arrays
selects = new SelectionMethod[numSelects];
float total = 0.0f;
for (int x = 0; x < numSelects; x++) {
Parameter p = base.push(P_SELECT).push("" + x);
Parameter d = def.push(P_SELECT).push("" + x);
selects[x] =
(SelectionMethod) (state.parameters.getInstanceForParameter(p, d, SelectionMethod.class));
selects[x].setup(state, p);
// now check probability
if (selects[x].probability < 0.0)
state.output.error(
"MultiSelection select #" + x + " must have a probability >= 0.0",
p.push(P_PROB),
d.push(P_PROB));
else total += selects[x].probability;
}
state.output.exitIfErrors();
// Now check for valid probability
if (total <= 0.0)
state.output.fatal("MultiSelection selects do not sum to a positive probability", base);
if (total != 1.0) {
state.output.message("Must normalize probabilities for " + base);
for (int x = 0; x < numSelects; x++) selects[x].probability /= total;
}
// totalize
float tmp = 0.0f;
for (int x = 0; x < numSelects - 1; x++) // yes, it's off by one
{
tmp += selects[x].probability;
selects[x].probability = tmp;
}
selects[numSelects - 1].probability = 1.0f;
}
public void setup(final EvolutionState state, final Parameter base) {
super.setup(state, base);
Parameter def = defaultBase();
double val = state.parameters.getDouble(base.push(P_SIZE), def.push(P_SIZE), 1.0);
if (val < 1.0)
state.output.fatal("Tournament size must be >= 1.", base.push(P_SIZE), def.push(P_SIZE));
else if (val > 1 && val < 2) // pick with probability
{
size = 2;
probabilityOfSelection = (val / 2);
} else if (val != (int) val) // it's not an integer
state.output.fatal(
"If >= 2, Tournament size must be an integer.", base.push(P_SIZE), def.push(P_SIZE));
else {
size = (int) val;
probabilityOfSelection = 1.0;
}
val = state.parameters.getDouble(base.push(P_SIZE2), def.push(P_SIZE2), 1.0);
if (val < 1.0)
state.output.fatal("Tournament size2 must be >= 1.", base.push(P_SIZE2), def.push(P_SIZE2));
else if (val > 1 && val < 2) // pick with probability
{
size2 = 2;
probabilityOfSelection2 = (val / 2);
} else if (val != (int) val) // it's not an integer
state.output.fatal(
"If >= 2, Tournament size2 must be an integer.", base.push(P_SIZE2), def.push(P_SIZE2));
else {
size2 = (int) val;
probabilityOfSelection2 = 1.0;
}
doLengthFirst =
state.parameters.getBoolean(base.push(P_DOLENGTHFIRST), def.push(P_DOLENGTHFIRST), true);
pickWorst = state.parameters.getBoolean(base.push(P_PICKWORST), def.push(P_PICKWORST), false);
pickWorst2 =
state.parameters.getBoolean(base.push(P_PICKWORST2), def.push(P_PICKWORST2), false);
}
