man PGADuplicate (Fonctions bibliothèques) - determines if a specified string is a duplicate of one already in an existing population

NAME

PGADuplicate - determines if a specified string is a duplicate of one already in an existing population

INPUT PARAMETERS

ctx
- context variable
p
- string index
pop1
- symbolic constant of the population containing string p
pop2
- symbolic constant of the (possibly partial) population containing strings to compare string p against
n
- the number of strings in pop2 to compare string p against
n
-1)

OUTPUT PARAMETERS

none

SYNOPSIS

#include "pgapack.h"
int  PGADuplicate(ctx, p, pop1, pop2, n)
PGAContext *ctx
int p
int pop1
int pop2
int n

LOCATION

duplcate.c

EXAMPLE

0,...,n-1 in population pop2.  Otherwise returns PGA_FALSE

Example: Change any string in PGA_NEWPOP that is an exact copy of a string in PGA_OLDPOP.

PGAContext *ctx; int b, n; : n = PGAGetPopsize(ctx); for (b=0; b<n; b++) if (PGADuplicate(ctx, b, PGA_NEWPOP, PGA_OLDPOP, n)) PGAChange(ctx, b, PGA_NEWPOP);

Check if the best string in population PGA_OLDPOP is a duplicate of any of the strings in the first half of population PGA_NEWPOP.

PGAContext *ctx; int b, n; : b = PGAGetBestIndex(ctx, PGA_OLDPOP); n = PGAGetPopsize(ctx) / 2; if (PGADuplicate(ctx, b, PGA_OLDPOP, PGA_NEWPOP, n)) printf("A duplicate!n");