Default to 3D hydrodyamics

src/const.h

@@ -37,8 +37,8 @@
 #define const_max_u_change 0.1f
 
 /* Dimensionality of the problem */
-//#define HYDRO_DIMENSION_3D
-#define HYDRO_DIMENSION_2D
+#define HYDRO_DIMENSION_3D
+//#define HYDRO_DIMENSION_2D
 //#define HYDRO_DIMENSION_1D
 
 /* Hydrodynamical adiabatic index. */

src/equation_of_state.h

@@ -19,6 +19,13 @@
 #ifndef SWIFT_EQUATION_OF_STATE_H
 #define SWIFT_EQUATION_OF_STATE_H
 
+/**
+ * @file equation_of_state.h
+ * @brief Defines the equation of state of the gas we simulate in the form of
+ * relations between thermodynamic quantities. These are later used internally
+ * by all hydro schemes
+ */
+
 /* Config parameters. */
 #include "../config.h"
 

tests/test125cells.c

@@ -465,7 +465,7 @@ int main(int argc, char *argv[]) {
   message("test125cells only useful in 3D. Change parameters in const.h !");
   return 1;
 #endif
-  
+
   /* Build the infrastructure */
   struct space space;
   space.periodic = 0;