Merge branch 'BoxDimensionConversion' into 'master'

Added conversion of box dimensions

Fixes #217. We need to convert the box size to the internal system of units, not just the particle properties.

See merge request !254

src/parallel_io.c

@@ -486,6 +486,10 @@ void read_ic_parallel(char* fileName, const struct UnitSystem* internal_units,
     }
   }
 
+  /* Convert the dimensions of the box */
+  for (int j = 0; j<3 ; j++)
+   dim[j] *= units_conversion_factor(ic_units, internal_units, UNIT_CONV_LENGTH);
+
   /* Allocate memory to store SPH particles */
   *Ngas = N[0];
   if (posix_memalign((void*)parts, part_align, (*Ngas) * sizeof(struct part)) !=

src/serial_io.c

@@ -528,6 +528,10 @@ void read_ic_serial(char* fileName, const struct UnitSystem* internal_units,
     H5Fclose(h_file);
   }
 
+  /* Convert the dimensions of the box */
+  for (int j = 0; j<3 ; j++)
+   dim[j] *= units_conversion_factor(ic_units, internal_units, UNIT_CONV_LENGTH);
+
   /* Now need to broadcast that information to all ranks. */
   MPI_Bcast(flag_entropy, 1, MPI_INT, 0, comm);
   MPI_Bcast(periodic, 1, MPI_INT, 0, comm);

src/single_io.c

@@ -433,6 +433,10 @@ void read_ic_single(char* fileName, const struct UnitSystem* internal_units,
             internal_units->UnitTemperature_in_cgs);
   }
 
+  /* Convert the dimensions of the box */
+  for (int j = 0; j<3 ; j++)
+   dim[j] *= units_conversion_factor(ic_units, internal_units, UNIT_CONV_LENGTH);
+
   /* Allocate memory to store SPH particles */
   *Ngas = N[0];
   if (posix_memalign((void*)parts, part_align, *Ngas * sizeof(struct part)) !=