Update after the change in replacements

This commit is contained in:
evomarc 2000-12-19 18:43:25 +00:00
commit ed0e76350a
5 changed files with 18 additions and 21 deletions

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@ -79,7 +79,7 @@ void main_function(int argc, char **argv)
// Initialization of the population // Initialization of the population
eoPop<Indi> pop(POP_SIZE, random); eoPop<Indi> pop(POP_SIZE, random);
// and evaluate it in one line // and evaluate it in one loop
apply<Indi>(eval, pop); // STL syntax apply<Indi>(eval, pop); // STL syntax
// OUTPUT // OUTPUT
@ -102,7 +102,7 @@ void main_function(int argc, char **argv)
// REPLACE // REPLACE
// And we now have the full slection/replacement - though with // And we now have the full slection/replacement - though with
// no replacement (== generational replacement) at the moment :-) // no replacement (== generational replacement) at the moment :-)
eoNoReplacement<Indi> replace; eoGenerationalReplacement<Indi> replace;
// OPERATORS // OPERATORS
////////////////////////////////////// //////////////////////////////////////

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@ -45,13 +45,11 @@ void main_function(int argc, char **argv)
const float P_MUT = 0.5; // mutation probability const float P_MUT = 0.5; // mutation probability
const double EPSILON = 0.01; // range for real uniform mutation const double EPSILON = 0.01; // range for real uniform mutation
const double SIGMA = 0.01; // std. dev. of normal mutation
// some parameters for chosing among different operators // some parameters for chosing among different operators
const double segmentRate = 0.5; // rate for 1-pt Xover const double segmentRate = 0.5; // rate for 1-pt Xover
const double arithmeticRate = 0.5; // rate for 2-pt Xover const double arithmeticRate = 0.5; // rate for 2-pt Xover
const double uniformMutRate = 0.5; // rate for bit-flip mutation const double uniformMutRate = 0.5; // rate for bit-flip mutation
const double detMutRate = 0.5; // rate for one-bit mutation const double detMutRate = 0.5; // rate for one-bit mutation
const double normMutRate = 0.5; // rate for normal mutation
// GENERAL // GENERAL
////////////////////////// //////////////////////////
@ -79,7 +77,7 @@ void main_function(int argc, char **argv)
// Initialization of the population // Initialization of the population
eoPop<Indi> pop(POP_SIZE, random); eoPop<Indi> pop(POP_SIZE, random);
// and evaluate it in one line // and evaluate it in one loop
apply<Indi>(eval, pop); // STL syntax apply<Indi>(eval, pop); // STL syntax
// OUTPUT // OUTPUT
@ -102,7 +100,7 @@ void main_function(int argc, char **argv)
// REPLACE // REPLACE
// And we now have the full slection/replacement - though with // And we now have the full slection/replacement - though with
// no replacement (== generational replacement) at the moment :-) // no replacement (== generational replacement) at the moment :-)
eoNoReplacement<Indi> replace; eoGenerationalReplacement<Indi> replace;
// OPERATORS // OPERATORS
////////////////////////////////////// //////////////////////////////////////
@ -115,19 +113,16 @@ void main_function(int argc, char **argv)
eoArithmeticCrossover<Indi> xoverA; eoArithmeticCrossover<Indi> xoverA;
// Combine them with relative rates // Combine them with relative rates
eoPropCombinedQuadOp<Indi> xover(xoverS, segmentRate); eoPropCombinedQuadOp<Indi> xover(xoverS, segmentRate);
xover.add(xoverA, arithmeticRate, eo_verbose); xover.add(xoverA, arithmeticRate, true);
// MUTATION // MUTATION
// Gaussian mutation - std dev as argument
eoNormalMutation<Indi> mutationN(SIGMA);
// offspring(i) uniformly chosen in [parent(i)-epsilon, parent(i)+epsilon] // offspring(i) uniformly chosen in [parent(i)-epsilon, parent(i)+epsilon]
eoUniformMutation<Indi> mutationU(EPSILON); eoUniformMutation<Indi> mutationU(EPSILON);
// k (=1) coordinates of parents are uniformly modified // k (=1) coordinates of parents are uniformly modified
eoDetUniformMutation<Indi> mutationD(EPSILON); eoDetUniformMutation<Indi> mutationD(EPSILON);
// Combine them with relative rates // Combine them with relative rates
eoPropCombinedMonOp<Indi> mutation(mutationU, uniformMutRate); eoPropCombinedMonOp<Indi> mutation(mutationU, uniformMutRate);
mutation.add(mutationD, detMutRate); mutation.add(mutationD, detMutRate, true);
mutation.add(mutationN, normMutRate, eo_verbose);
// STOP // STOP
// CHECKPOINT // CHECKPOINT

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@ -34,7 +34,7 @@ void main_function(int argc, char **argv)
// PARAMETRES // PARAMETRES
const unsigned int SEED = 42; // seed for random number generator const unsigned int SEED = 42; // seed for random number generator
const unsigned int T_SIZE = 3; // size for tournament selection const unsigned int T_SIZE = 3; // size for tournament selection
const unsigned int VEC_SIZE = 8; // Number of bits in genotypes const unsigned int VEC_SIZE = 20; // Number of bits in genotypes
const unsigned int POP_SIZE = 20; // Size of population const unsigned int POP_SIZE = 20; // Size of population
const unsigned int MAX_GEN = 500; // Maximum number of generation before STOP const unsigned int MAX_GEN = 500; // Maximum number of generation before STOP
@ -98,7 +98,7 @@ void main_function(int argc, char **argv)
eoDetTournament<Indi> selectOne(T_SIZE); // T_SIZE in [2,POP_SIZE] eoDetTournament<Indi> selectOne(T_SIZE); // T_SIZE in [2,POP_SIZE]
// solution solution solution solution solution solution solution // solution solution solution solution solution solution solution
// modify the rate in the constructor // modify the rate in the constructor
eoSelectPerc<Indi> select(selectOne,2.0);// rate is second arg. eoSelectMany<Indi> select(selectOne,2, eo_is_an_integer);// rate is second arg.
// REPLACE // REPLACE
// solution solution solution solution solution solution solution // solution solution solution solution solution solution solution

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@ -218,8 +218,8 @@ void main_function(int argc, char **argv)
// REPLACE // REPLACE
// And we now have the full slection/replacement - though with // And we now have the full slection/replacement - though with
// no replacement (== generational replacement) at the moment :-) // the same generational replacement at the moment :-)
eoNoReplacement<Indi> replace; eoGenerationalReplacement<Indi> replace;
// OPERATORS // OPERATORS
////////////////////////////////////// //////////////////////////////////////
@ -235,7 +235,7 @@ void main_function(int argc, char **argv)
// Combine them with relative rates // Combine them with relative rates
eoPropCombinedQuadOp<Indi> xover(xover1, onePointRate); eoPropCombinedQuadOp<Indi> xover(xover1, onePointRate);
xover.add(xoverU, URate); xover.add(xoverU, URate);
xover.add(xover2, twoPointsRate, eo_verbose); xover.add(xover2, twoPointsRate, true);
// MUTATION // MUTATION
// standard bit-flip mutation for bitstring // standard bit-flip mutation for bitstring
@ -244,7 +244,7 @@ void main_function(int argc, char **argv)
eoDetBitFlip<Indi> mutationOneBit; eoDetBitFlip<Indi> mutationOneBit;
// Combine them with relative rates // Combine them with relative rates
eoPropCombinedMonOp<Indi> mutation(mutationBitFlip, bitFlipRate); eoPropCombinedMonOp<Indi> mutation(mutationBitFlip, bitFlipRate);
mutation.add(mutationOneBit, oneBitRate, eo_verbose); mutation.add(mutationOneBit, oneBitRate, true);
// The operators are encapsulated into an eoTRansform object // The operators are encapsulated into an eoTRansform object
eoSGATransform<Indi> transform(xover, pCross, mutation, pMut); eoSGATransform<Indi> transform(xover, pCross, mutation, pMut);
@ -294,7 +294,7 @@ void main_function(int argc, char **argv)
checkpoint.add(SecondStat); checkpoint.add(SecondStat);
// The Stdout monitor will print parameters to the screen ... // The Stdout monitor will print parameters to the screen ...
eoStdoutMonitor monitor(eo_no_verbose); eoStdoutMonitor monitor(false);
// when called by the checkpoint (i.e. at every generation) // when called by the checkpoint (i.e. at every generation)
checkpoint.add(monitor); checkpoint.add(monitor);

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@ -203,10 +203,11 @@ void main_function(int argc, char **argv)
// OUTPUT // OUTPUT
// sort pop for pretty printout // sort pop for pretty printout
pop.sort(); // pop.sort();
// Print (sorted) intial population (raw printout) // Print (sorted) intial population (raw printout)
cout << "Initial Population" << endl << pop << endl; cout << "Initial Population" << endl << pop ;
cout << "and best is " << pop.best_element() << "\n\n";
cout << "and worse is " << pop.worse_element() << "\n\n";
// ENGINE // ENGINE
///////////////////////////////////// /////////////////////////////////////
// selection and replacement // selection and replacement
@ -221,6 +222,7 @@ void main_function(int argc, char **argv)
// And we now have the full slection/replacement - though with // And we now have the full slection/replacement - though with
// no replacement (== generational replacement) at the moment :-) // no replacement (== generational replacement) at the moment :-)
eoNoReplacement<Indi> replace; eoNoReplacement<Indi> replace;
// eoWeakElitistReplacement<Indi> replace(replace_main);
// OPERATORS // OPERATORS
////////////////////////////////////// //////////////////////////////////////