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Merging MK branch rev. 313: equals() methods fixed.

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This commit is contained in:
Marcel Kronfeld
2009-07-07 11:58:41 +00:00
parent 21dd60a449
commit bb4638cff9
5 changed files with 67 additions and 10 deletions
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1
src/eva2/server/go/operators/mutation/MutateESCorrolated.java
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@@ -61,6 +61,7 @@ public class MutateESCorrolated implements InterfaceMutation, java.io.Serializab
* @param mutator The other mutation operator
*/
public boolean equals(Object mutator) {
if (mutator==this) return true;
if (mutator instanceof MutateESCorrolated) {
MutateESCorrolated mut = (MutateESCorrolated)mutator;
if (this.m_Tau1 != mut.m_Tau1) return false;

3
src/eva2/server/go/operators/mutation/MutateESCovarianceMatrixAdaption.java
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@@ -76,12 +76,15 @@ public class MutateESCovarianceMatrixAdaption implements InterfaceMutation, java
* @param mutator The other mutation operator
*/
public boolean equals(Object mutator) {
if (mutator==this) return true;
if (mutator instanceof MutateESCovarianceMatrixAdaption) {
MutateESCovarianceMatrixAdaption mut = (MutateESCovarianceMatrixAdaption)mutator;
// i assume if the C Matrix is equal then the mutation operators are equal
try {
if (this.m_C==mut.m_C) return true;
double[][] c1 = this.m_C.getArray();
double[][] c2 = mut.m_C.getArray();
if (c1==c2) return true;
for (int i = 0; i < c1.length; i++) {
for(int j = 0; j < c1[i].length; j++) {
if (c1[i][j] != c2[i][j]) return false;

1
src/eva2/server/go/operators/mutation/MutateESLocal.java
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@@ -63,6 +63,7 @@ public class MutateESLocal implements InterfaceMutation, java.io.Serializable {
* @param mutator The other mutation operator
*/
public boolean equals(Object mutator) {
if (mutator==this) return true;
if (mutator instanceof MutateESLocal) {
MutateESLocal mut = (MutateESLocal)mutator;
if (this.m_Tau1 != mut.m_Tau1) return false;

2
src/eva2/server/go/operators/mutation/MutateESMainVectorAdaption.java
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@@ -63,9 +63,11 @@ public class MutateESMainVectorAdaption implements InterfaceMutation, java.io.Se
* @param mutator The other mutation operator
*/
public boolean equals(Object mutator) {
if (this==mutator) return true;
if (mutator instanceof MutateESMainVectorAdaption) {
MutateESMainVectorAdaption mut = (MutateESMainVectorAdaption)mutator;
// i assume if the main_V is equal then the mutation operators are equal
if (this.m_main_v==mut.m_main_v) return true;
if (this.m_main_v != null) {
for (int i = 0; i < this.m_main_v.length; i++) {
if (this.m_main_v[i] != mut.m_main_v[i]) return false;

68
src/eva2/server/go/operators/mutation/MutateESRankMuCMA.java
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@@ -42,6 +42,28 @@ class CMAParamSet implements InterfacePopulationChangedEventListener, Serializab
protected Matrix mB;
protected boolean firstAdaptionDone = false;
public CMAParamSet(CMAParamSet o) {
firstSigma=o.firstSigma;
sigma=o.sigma;
d_sig=o.d_sig;
c_sig=o.c_sig;
meanX=o.meanX.clone();
pathC=o.pathC.clone();
pathS=o.pathS.clone();
eigenvalues=o.eigenvalues.clone();
weights=o.weights.clone();
range = o.range;
mC=o.mC;
mB=o.mB;
firstAdaptionDone=o.firstAdaptionDone;
}
public CMAParamSet() {}
public Object clone() {
return new CMAParamSet(this);
}
public String toString() {
return "d_sig " + d_sig + ", c_sig " + c_sig + ", sigma " + sigma + ", firstSigma " + firstSigma+ ", firstAdaptionDone " + firstAdaptionDone
+ ",\n meanX " + Arrays.toString(meanX) + ", pathC " + Arrays.toString(pathC)+ ", pathS " + Arrays.toString(pathS)+ ", eigenvalues " + Arrays.toString(eigenvalues)
@@ -311,6 +333,10 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
sum += params.mB.get(j,i) * BDz[j]; // times B transposed, (Eq 4) in HK04
}
zVect[i] = sum / Math.sqrt(params.eigenvalues[i]);
if (Double.isInfinite(zVect[i])|| Double.isNaN(zVect[i])) {
System.err.println("Error, infinite zVect entry!");
zVect[i]=0; // TODO MK
}
}
/* cumulation for sigma (ps) using B*z */
@@ -319,6 +345,9 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
for (int j = 0; j < dim; ++j) sum += params.mB.get(i,j) * zVect[j];
newPathS[i] = (1. - params.c_sig) * params.pathS[i]
+ Math.sqrt(params.c_sig * (2. - params.c_sig)) * sum;
if (Double.isInfinite(newPathS[i]) || Double.isNaN(newPathS[i])) {
System.err.println("Error, infinite pathS!");
}
}
// System.out.println("pathS diff: " + BeanInspector.toString(Mathematics.vvSub(newPathS, pathS)));
// System.out.println("newPathS is " + BeanInspector.toString(newPathS));
@@ -333,6 +362,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
for (int i = 0; i < dim; ++i) {
newPathC[i] = (1. - getCc()) * params.pathC[i] + hsig
* Math.sqrt(getCc() * (2. - getCc())) * BDz[i];
checkValidDouble(newPathC[i]);
}
// TODO missing: "remove momentum in ps"
@@ -356,9 +386,6 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
if (Double.isInfinite(sigFact)) params.sigma *= 10.; // in larger search spaces sigma tends to explode after init.
else params.sigma *= sigFact;
if (Double.isInfinite(params.sigma) || Double.isNaN(params.sigma)) {
System.err.println("Error, unstable sigma!");
}
testAndCorrectNumerics(params, generation, selectedSorted);
if (TRACE_1) {
@@ -372,7 +399,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
params.pathS = newPathS;
params.firstAdaptionDone = true;
lastParams = params;
lastParams = (CMAParamSet)params.clone();
oldGen.putData(cmaParamsKey, params);
selectedP.putData(cmaParamsKey, params);
// if (TRACE_2) System.out.println("sampling around " + BeanInspector.toString(meanX));
@@ -408,6 +435,13 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
// sigma=0.1;
}
}
if (!checkValidDouble(params.sigma)) {
System.err.println("Error, unstable sigma!");
params.sigma=params.firstSigma; // MK TODO
// System.err.println(
}
/* Align (renormalize) scale C (and consequently sigma) */
/* e.g. for infinite stationary state simulations (noise
* handling needs to be introduced for that) */
@@ -420,7 +454,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
fac = 1./Math.sqrt(Mathematics.min(params.eigenvalues));
if (fac != 1.) {
System.err.println("Scaling by " + fac);
// System.err.println("Scaling by " + fac);
params.sigma /= fac;
for(int i = 0; i < params.meanX.length; ++i) {
params.pathC[i] *= fac;
@@ -484,6 +518,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
* (1. / mcv)
* (newPathC[i] * newPathC[j] + (1 - hsig) * getCc()
* (2. - getCc()) * params.mC.get(i,j));
checkValidDouble(newVal);
params.mC.set(i,j,newVal);
for (int k = 0; k < mu; ++k) { /*
* additional rank mu
@@ -493,6 +528,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
newVal = params.mC.get(i,j)+ ccv * (1 - 1. / mcv)
* params.weights[k] * (x_k[i] - params.meanX[i])
* (x_k[j] - params.meanX[j]) / (getSigma(params, i) * getSigma(params, j)); // TODO right sigmas?
checkValidDouble(newVal);
params.mC.set(i,j, newVal);
}
}
@@ -513,6 +549,20 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
}
/**
* Return true if v is a valid numeric value (not NaN and not Infinity), else false.
*
* @param v
* @return
*/
private boolean checkValidDouble(double v) {
boolean valid = !(Double.isNaN(v) || Double.isInfinite(v));
if (!valid) {
System.err.println("Invalid double in rankMuCMA!");
}
return valid;
}
private double getCCov(double[] weights, int mu, int dim) {
// ( HK03, sec. 2)
//return Math.min(1., 2*getMuEff(selected)/(dim*dim));
@@ -651,6 +701,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
double[] sampl = new double[dim]; // generate scaled random vector (D * z)
for (int i = 0; i < dim; ++i) {
sampl[i] = Math.sqrt(params.eigenvalues[i]) * RNG.gaussianDouble(1.);
if (Double.isNaN(sampl[i])) sampl[i]=0;
}
// System.out.println("Sampling around " + BeanInspector.toString(meanX));
/* add mutation (sigma * B * (D*z)) */
@@ -659,6 +710,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
for (int j = 0; j < dim; ++j)
sum += params.mB.get(i,j) * sampl[j];
x[i] = params.meanX[i]+getSigma(params, i)*sum;
checkValidDouble(x[i]);
}
} else {
if (params==null) {
@@ -666,6 +718,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
} // no valid meanX yet, so just do a gaussian jump with sigma
for (int i = 0; i < dim; ++i) {
x[i] += RNG.gaussianDouble(getSigma(params, i));
checkValidDouble(x[i]);
}
}
if (Mathematics.isInRange(x, range)) return x;
@@ -681,10 +734,7 @@ public class MutateESRankMuCMA implements InterfaceMutationGenerational, Seriali
// % (the latter will decrease the overall step size) and
// % recalculate arx accordingly. Do not change arx or arz in any
// % other way.
for (int i=0; i<x.length; i++) {
if (x[i]<range[i][0]) x[i]=range[i][0];
else if (x[i]>range[i][1]) x[i]=range[i][1];
}
Mathematics.projectToRange(x, range);
return x;
}