Updates so that optimized tests run on COSMA7

intel/2018

tests/testActivePair.c

@@ -253,7 +253,8 @@ void end_calculation_density(struct cell *c, const struct cosmology *cosmo) {
  */
 void end_calculation_force(struct cell *c, const struct cosmology *cosmo) {
   for (int pid = 0; pid < c->hydro.count; pid++) {
-    hydro_end_force(&c->hydro.parts[pid], cosmo);
+    struct part *volatile part = &c->hydro.parts[pid];
+    hydro_end_force(part, cosmo);
   }
 }
 

tests/testCbrt.c

@@ -50,7 +50,7 @@ int main(int argc, char *argv[]) {
   message("executing %i runs of each command.", num_vals);
 
   /* Create and fill an array of floats. */
-  float *data = (float *)malloc(sizeof(float) * num_vals);
+  float *volatile data = (float *)malloc(sizeof(float) * num_vals);
   for (int k = 0; k < num_vals; k++) {
     data[k] = (float)rand() / RAND_MAX;
     data[k] = (1.0f - data[k]) * range_min + data[k] * range_max;

tests/tolerance_27_perturbed.dat

 #   ID      pos_x      pos_y      pos_z        v_x        v_y        v_z           rho        rho_dh        wcount     wcount_dh         div_v       curl_vx       curl_vy       curl_vz
     0	    1e-6       1e-6	  1e-6 	       1e-6 	  1e-6	     1e-6	   2e-6       1e-4	    2e-4       1e-2		 1e-5	     3e-6	   3e-6		 7e-6
-    0	    1e-6       1e-6	  1e-6 	       1e-6 	  1e-6	     1e-6	   1e-6	      1.5e-3	    1e-5       2e-3		 6e-5	     3e-3	   2e-3	 	 2e-3
+    0	    1e-6       1e-6	  1e-6 	       1e-6 	  1e-6	     1e-6	   1e-6	      3e-3	    1e-5       2e-3		 6e-5	     3e-3	   2e-3	 	 2e-3
     0	    1e-6       1e-6	  1e-6 	       1e-6 	  1e-6	     1e-6	   1e-6	      2e-3	    1e-6       1e0		 1e-6	     2e-6	   2e-6		 2e-6