change covariance for

fftma_module/gen/lib_src/covariance.c

@@ -11,9 +11,9 @@ void covariance(chunk_array_t* covar, struct vario_mod variogram, struct grid_mo
     for (i = 0; i < 3; i++)
         n2[i] = n[i] / 2;
 
-    for (i = 0; i <= n2[0]; i++) {
     for (j = 0; j <= n2[1]; j++) {
         for (k = 0; k <= n2[2]; k++) {
+            for (i = 0; i <= n2[0]; i++) {
 
                 /*area 1*/
                 maille = 1 + i + n[0] * (j + n[1] * k);

fftma_module/gen/lib_src/fftma2.c

@@ -62,9 +62,13 @@ void FFTMA2(struct vario_mod variogram, struct grid_mod grid, int n[3], struct r
     worki = (double*)malloc(nmax * sizeof(double));
     testmemory(worki);
 
+    printf("empece covariance\n");
+
     /*covariance function creation*/
     covariance(covar, variogram, grid, n);
 
+    printf("termine covariance\n");
+
     chunk_array_flush(covar);
 
     /*power spectrum*/