Added units for tidal tensors to the unit tool

src/units.c

@@ -301,6 +301,10 @@ void units_get_base_unit_exponents_array(float baseUnitsExp[5],
       baseUnitsExp[UNIT_TIME] = -2.f;
       break;
 
+    case UNIT_CONV_TIDAL_TENSOR:
+      baseUnitsExp[UNIT_TIME] = -2.f;
+      break;
+
     case UNIT_CONV_ENERGY:
       baseUnitsExp[UNIT_MASS] = 1.f;
       baseUnitsExp[UNIT_LENGTH] = 2.f;

src/units.h

@@ -79,6 +79,7 @@ enum unit_conversion_factor {
   UNIT_CONV_MOMENTUM,
   UNIT_CONV_ANGULAR_MOMENTUM,
   UNIT_CONV_FORCE,
+  UNIT_CONV_TIDAL_TENSOR,
   UNIT_CONV_ENERGY,
   UNIT_CONV_ENERGY_PER_UNIT_MASS,
   UNIT_CONV_ENTROPY,