mtzikara
6 years ago
committed by
GitHub
1 changed files with 88 additions and 0 deletions
@ -0,0 +1,88 @@ |
|||
#include <stdio.h> |
|||
#include <stdlib.h> |
|||
|
|||
|
|||
void main(){ |
|||
printf("Hello I am maria \n"); |
|||
|
|||
//Read from file of adjacency matrix
|
|||
FILE *adjm; |
|||
|
|||
int x; |
|||
adjm = fopen("adj_matrix.txt", "r+"); |
|||
if(!adjm){ |
|||
printf("Error opening file \n"); |
|||
exit(0); |
|||
} |
|||
|
|||
//Read dimensions of file (square)
|
|||
int m, count=0; |
|||
while((m=fgetc(adjm))) { |
|||
/* break if end of file */ |
|||
if(m == EOF) break; |
|||
/* otherwise add one to the count of that particular character */ |
|||
if(m=='\n'){ |
|||
count+=1; |
|||
} |
|||
} |
|||
printf("Line count of matrix is %d \n", count); |
|||
int d = count; |
|||
int i,j; |
|||
|
|||
// Put values in matrix A
|
|||
int** A = malloc(d*sizeof(int *)); |
|||
for( i=0; i<d ; i++){ |
|||
A[i] = malloc(d*sizeof(int)); |
|||
} |
|||
for( i=0; i<d ; i++){ |
|||
for(j=0 ; j<d; j++){ |
|||
if(!fscanf(adjm, "%d ", &A[i][j])){ |
|||
break; |
|||
} |
|||
//printf("A[%d][%d] = %d", i , j, A[i][j]);
|
|||
} |
|||
} |
|||
fclose(adjm); |
|||
printf(" First val is %d Last val is %d \n", A[0][0], A[d-1][d-1]); |
|||
|
|||
//Make A appropriate for the algorithm
|
|||
// no page has outdegree 0, using uniform probability 1/n, no personalization
|
|||
|
|||
int* flag; |
|||
flag = malloc(d*sizeof(int)); |
|||
for(i=0; i<d ; i++){ |
|||
flag[i] = 0; |
|||
} |
|||
for( i=0; i<d ; i++){ |
|||
for(j=0 ; j<d; j++){ |
|||
if(A[i][j]!=0){ |
|||
flag[i]=1; |
|||
} |
|||
} |
|||
if(flag[i] == 1){ |
|||
for(j=0 ; j<d; j++){ |
|||
A[i][j] = 1; |
|||
} |
|||
} |
|||
printf("A[%d][%d] = %d", i , j, A[i][j]); |
|||
} |
|||
|
|||
//Change to transpose of matrix
|
|||
// Rows become columns
|
|||
|
|||
int **AT = malloc(d*sizeof(int *)); |
|||
for( i=0; i<d ; i++){ |
|||
AT[i] = malloc(d*sizeof(int)); |
|||
} |
|||
|
|||
for( i=0; i<d ; i++){ |
|||
for(j=0 ; j<d; j++){ |
|||
AT[j][i] = A[i][j]; |
|||
} |
|||
} |
|||
|
|||
|
|||
|
|||
|
|||
|
|||
} |
Loading…
Reference in new issue