Improve still of grackle

src/Makefile.am

@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AUTOMAKE_OPTIONS = subdir-objects
+
 # Add the debug flag to the whole thing
 AM_CFLAGS = $(HDF5_CPPFLAGS)
 

src/cooling/grackle/cooling.h

@@ -218,7 +218,7 @@ static INLINE void cooling_init_backend(
   printf("          CloudyTable                        = %s\n",cloudytable);
   printf("          UVbackground                       = %d\n",UVbackground);
   printf("          GrackleRedshift                    = %g\n",cooling->GrackleRedshift);
-  printf("          GrackleHSShieldingDensityThreshold = %g\n",cooling->GrackleHSShieldingDensityThreshold);
+  printf("          GrackleHSShieldingDensityThreshold = %g atom/cc\n",cooling->GrackleHSShieldingDensityThreshold);
   
 
   if(wrap_init_cooling(cloudytable,UVbackground,units_density, units_length, units_time, grackle_chemistry) != 1)

src/cooling/grackle/grackle_wrapper.c

@@ -36,6 +36,10 @@ const int grid_rank = 1;
 
 int wrap_init_cooling(char* CloudyTable, int UVbackground, double udensity, double ulength, double utime, int grackle_chemistry){
 
+#ifdef GRACKLE_DEBUG
+  grackle_verbose = 1;
+#endif
+  message("cooling");
   double velocity_units;
   
   // First, set up the units system.

src/cooling/grackle/grackle_wrapper.h

@@ -14,6 +14,7 @@
 #define SWIFT_COOLING_GRACKLE_WRAPPER_H
 
 #include "config.h"
+#include "error.h"
 #include <grackle.h>
 #include <math.h>
 #include <stdio.h>