Expand the size of the description buffer in the snapshots to accomodate the...

Expand the size of the description buffer in the snapshots to accomodate the longer strings in SPHENIX

src/common_io.h

@@ -28,7 +28,7 @@
 #include "units.h"
 
 #define FIELD_BUFFER_SIZE 64
-#define DESCRIPTION_BUFFER_SIZE 256
+#define DESCRIPTION_BUFFER_SIZE 512
 #define PARTICLE_GROUP_BUFFER_SIZE 50
 #define FILENAME_BUFFER_SIZE 150
 #define IO_BUFFER_ALIGNMENT 1024

src/hydro/SPHENIX/hydro_io.h

@@ -229,8 +229,9 @@ INLINE static void hydro_write_particles(const struct part* parts,
       UNIT_CONV_FREQUENCY_SQUARED, 0.f, parts, viscosity.div_v_dt,
       "Time differential (over the previous step) of the "
       "velocity divergence field around the particles. Again, provided without "
-      "cosmology as this includes a Hubble flow term. To get back to a peculiar
-      velocity divergence time differential, x_pec = a^4 (x - a^{-2} n_D dH / dt)");
+      "cosmology as this includes a Hubble flow term. To get back to a "
+      "peculiar velocity divergence time differential, x_pec = a^4 (x - a^{-2} "
+      "n_D dH / dt)");
 }
 
 /**