PGASetMutationIntegerValue(3) PGAPack PGASetMutationIntegerValue(3)NAME
PGASetMutationIntegerValue - Set multiplier to mutate PGA_DATATYPE_INTEGER strings with.
DESCRIPTION
The use of this value depends on the type of mutation being used. The default value is 1. See the user guide for more details.
INPUT PARAMETERS
ctx - context variable
val - the mutation value to use for Integer mutation
OUTPUT PARAMETERS
none
SYNOPSIS
#include "pgapack.h"
void PGASetMutationIntegerValue(ctx, val)
PGAContext *ctx
int val
LOCATION
mutation.c
EXAMPLE
Example:
PGAContext *ctx;
:
PGASetMutationIntegerValue(ctx, 5);
05/01/95 PGASetMutationIntegerValue(3)
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PGADuplicate(8) PGAPack PGADuplicate(8)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!0);
05/01/95 PGADuplicate(8)
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