Function PGAGetSortedPopIndex

Defined in File pop.c

Function Documentation

int PGAGetSortedPopIndex(PGAContext *ctx, int n)

Return a population string index from the array created by sorting of the population.

Example

Copy the five best strings from the old population into the new population. The rest of the new population will be created by recombination, and is not shown.

PGAContext *ctx;
int i, j;

...
PGASetPopReplaceType (ctx,PGA_POPREPL_BEST)
PGASortPop (ctx, PGA_OLDPOP);
for (i=0; i<5; i++) {
    j = PGAGetSortedPopIndex (ctx, i);
    PGACopyIndividual (ctx, j, PGA_OLDPOP, i, PGA_NEWPOP);
}

Parameters:

ctx – context variable
n – specified which index element is to be returned.

Returns:

A population string index from the array created by PGASortPop