mut.h

多目标遗传算法的源代码

/* This is the module used to formulate the mutation routine*/

void mutate(population *new_pop_ptr);

void mutate(population *new_pop_ptr)
{
int i,*ptr,j,r;
float rand1,*rand_float_ptr;

rand1=randomperc();
new_pop_ptr->ind_ptr = &(new_pop_ptr->ind[0]);

for(j = 0;j < popsize;j++)
{
ptr= &(new_pop_ptr->ind_ptr->genes[0]);
new_pop_ptr->ind_ptr =&(new_pop_ptr->ind[j+1]);

/*Select bit */
for (i = 0;i < chrom;i++)
{
rand1 = randomperc();

/*Check whether to do mutation or not*/
if(rand1 <= pmut_b)
{
if(*ptr == 0)
*ptr =1;
else
*ptr=0;
nmut++;
}
ptr++;
}
}
return;
}