1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* This is a test program for PGAPack. The objective is to maximize the
* number of 1-bits in a chromosome.
*/
#include <pgapack.h>
double NumberOfSetBits(PGAContext *, int, int);
/*******************************************************************
* user main program *
*******************************************************************/
int main( int argc, char **argv ) {
PGAContext *ctx;
ctx = PGACreate(&argc, argv, PGA_DATATYPE_BINARY, 256, PGA_MAXIMIZE);
PGASetRandomSeed(ctx, 1);
PGASetUp(ctx);
PGARun(ctx, NumberOfSetBits);
PGADestroy(ctx);
return(0);
}
/*******************************************************************
* user defined evaluation function *
* ctx - contex variable *
* p - chromosome index in population *
* pop - which population to refer to *
*******************************************************************/
double NumberOfSetBits(PGAContext *ctx, int p, int pop) {
int i, nbits, stringlen;
stringlen = PGAGetStringLength(ctx);
nbits = 0;
for ( i=0; i<stringlen; i++ )
if ( PGAGetBinaryAllele(ctx, p, pop, i) )
nbits++;
return((double) nbits);
}
|
