fixes

Makefile

@@ -6,7 +6,6 @@ CFLAGS   := -Wall -fopenmp -O3
 LDFLAGS  := -lm
 SRCDIR   := src
 OBJDIR   := out
-DATAPATH := data/web-Google/web-Google.mtx
 
 #
 SRCS     := $(wildcard $(SRCDIR)/*.c)
@@ -25,9 +24,7 @@ pagerank: $(OBJDIR)/pagerank | $(OBJDIR)
 # --------------------------------------------------
 # Link
 # --------------------------------------------------
-$(OBJDIR)/pagerank: $(OBJS) $(DATAPATH) | $(OBJDIR)
-	@echo "→ Copying input data"
-	cp $(DATAPATH) $(OBJDIR)/input.mtx
+$(OBJDIR)/pagerank: $(OBJS) | $(OBJDIR)
 	@echo "→ Linking $@"
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS)
 

src/gauss_seidel.c

@@ -33,7 +33,7 @@ double* gauss_seidel_pagerank(const SparseMatrix *matrix, double epsilon, double
         memcpy(x_old, x, vec_size);
 
         // 2. alpha/N * (x * f)
-        double x_f = vec_product(x_old, f, N);
+        double x_f = vec_product(x, f, N);
         double right_var = (alpha / (double)N) * x_f;
 
         // 3. alpha*(pi*M) + (right_const+alpha/N * (pi * f))*e

src/vector.c

@@ -22,7 +22,7 @@ void generate_f(const SparseMatrix *matrix, double *res) {
     init_vector(res, N, 1);
     int num_arcs = matrix->num_arcs;
     for (int i = 0; i < num_arcs; ++i) {
-        res[matrix->arcs[i].dest] = 0;
+        res[matrix->arcs[i].origin] = 0;
     }
 }