.TH PGAEncodeRealAsGrayCode 1 "05/01/95" " " "PGAPack"
.SH NAME
PGAEncodeRealAsGrayCode \- encodes a real value as a binary reflected Gray
code sequence
.SH INPUT PARAMETERS
.PD 0
.TP
ctx
- context variable
.PD 0
.TP
p
- string index
.PD 0
.TP
pop
- symbolic constant of the population the string is in
.PD 0
.TP
start
- starting bit position in p to encode val in
.PD 0
.TP
end
- ending bit position in p to encode val in
.PD 0
.TP
low
- lower bound of the interval the val is defined on
.PD 0
.TP
high
- lower bound of the interval the val is defined on
.PD 0
.TP
val
- the real number to be represented as a binary string
.PD 1
.SH OUTPUT PARAMETERS
.PD 0
.TP
side
-effect.
.PD 1
.SH SYNOPSIS
.nf
#include "pgapack.h"
void  PGAEncodeRealAsGrayCode(ctx, p, pop, start, end, low, high, val)
PGAContext *ctx
int p
int pop
int start
int end
double low
double high
double val
.fi
.SH LOCATION
evaluate.c
.SH EXAMPLE
.nf
Encode 3.14 from the interval [0,10] in 30 bits in bit positions
0--29 in string p in population PGA_NEWPOP as a binary reflected Gray
code sequence.

PGAContext *ctx;
int p;
:
PGAEncodeRealAsGrayCode(ctx, p, PGA_NEWPOP, 0, 29, 0.0, 10.0, 3.14);

.fi