geqo_selection.h File Reference

#include "optimizer/geqo.h"

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Functions
void	geqo_selection (PlannerInfo *root, Chromosome *momma, Chromosome *daddy, Pool *pool, double bias)

Function Documentation

geqo_selection()

void geqo_selection ( PlannerInfo *  root, Chromosome *  momma, Chromosome *  daddy, Pool *  pool, double  bias  )

extern

Definition at line 55 of file geqo_selection.c.

{
    int         first,
                second;
 
    first = linear_rand(root, pool->size, bias);
    second = linear_rand(root, pool->size, bias);
 
    /*
     * Ensure we have selected different genes, except if pool size is only
     * one, when we can't.
     */
    if (pool->size > 1)
    {
        while (first == second)
            second = linear_rand(root, pool->size, bias);
    }
 
    geqo_copy(root, momma, &pool->data[first], pool->string_length);
    geqo_copy(root, daddy, &pool->data[second], pool->string_length);
}

References Pool::data, fb(), geqo_copy(), linear_rand(), root, Pool::size, and Pool::string_length.

Referenced by geqo().