Convolutional Codes

/* C Porgram To Find convolutional Codes or Code Vectors */

#include< stdio.h>
#include< conio.h>

void main()
{
int i,j,k,n,gb,mb,g[10][10],x[10][10],c[10],m[10],t[10];
clrscr();
for(i=0;i< 10;i++)
{
for(j=0;j< 10;j++)
g[i][j]=0;x[i][j]=0;c[i]=0;m[i]=0;t[i]=0;
}
printf("\t\t\t¦ Convolutional Code ¦");
printf("\n\nEnter The No. Of Generator Sequences\t: ");
scanf("%d",&n);
printf("Enter The No. Of Bits In Each Generator Sequence\t: ");
scanf("%d",&gb);
for(i=0;i< n;i++)
{
printf("\n\nEnter The Values Of G%d\t:\n",i);
for(j=0;j< gb;j++)
scanf("%dt",&g[i][j]);
}
printf("\nEnter The No. Of Message Bits\t: ");
scanf("%d",&mb);
printf("Enter The Message Bits\t:\n");
for(i=0;i< mb;i++)
scanf("%d",&c[i]);
for(i=0;i< mb;i++)
{
for(j=0;j< gb;j++)
{
t[j]=m[j];
if(j==0)
m[j]=c[i];
else
m[j]=t[j-1];
}
for(k=0;k< gb;k++)
{
for(j=0;j< gb;j++)
{
if(g[k][j]==1)
x[k][i]=x[k][i]^m[j];
}
}
}
printf("\n\n¦ The Code Vectors Are: ¦\n");
for(i=0;i< mb;i++)
{
printf("¦ \n¦ ");
for(j=0;j< gb;j++)
printf("%d\t",x[j][i]);
}
getch();
}

/*************** OUTPUT ******************
¦ Convolutional Code ¦

Enter The No. Of Generator Sequences : 2
Enter The No. Of Bits In Each Generator Sequence : 3


Enter The Values Of G0 :
1
1
1


Enter The Values Of G1 :
1
0
1


Enter The No. Of Message Bits : 8
Enter The Message Bits :
1
1
0
1
1
0
1
1


¦ The Code Vectors Are: ¦
¦
¦ 1 1 0 ¦
¦ 0 1 0 ¦
¦ 0 1 0 ¦
¦ 0 0 0 ¦
¦ 0 1 0 ¦
¦ 0 1 0 ¦
¦ 0 0 0 ¦
¦ 0 1 0

*/