example.c in trackler-2.0.8.19

- old
+ new
@@ -1,53 +1,21 @@
 #include "space_age.h"
 
 /* Number of seconds in a Earth year */
-#define SECONDS_ON_EARTH_YEAR 31557600
+#define EARTH 31557600
 
 /* Orbital period of each planet, in Earth years */
-#define MERCURY_YEAR (0.2408467 * SECONDS_ON_EARTH_YEAR)
-#define VENUS_YEAR (0.61519726 * SECONDS_ON_EARTH_YEAR)
-#define MARS_YEAR (1.8808158 * SECONDS_ON_EARTH_YEAR)
-#define JUPITER_YEAR (11.862615 * SECONDS_ON_EARTH_YEAR)
-#define SATURN_YEAR (29.447498 * SECONDS_ON_EARTH_YEAR)
-#define URANUS_YEAR (84.016846 * SECONDS_ON_EARTH_YEAR)
-#define NEPTUNE_YEAR (164.79132 * SECONDS_ON_EARTH_YEAR)
+static const float factors[8] = {
+   EARTH * 0.2408467,           // Mercury
+   EARTH * 0.61519726,          // Venus
+   EARTH * 1,                   // Earth
+   EARTH * 1.8808158,           // Mars
+   EARTH * 11.862615,           // Jupiter
+   EARTH * 29.447498,           // Saturn
+   EARTH * 84.016846,           // Uranus
+   EARTH * 164.79132            // Neptune
+};
 
-float convert_earth_age(const long input)
+float convert_planet_age(Planets planet, const long input)
 {
-   return input / SECONDS_ON_EARTH_YEAR;
-}
-
-float convert_mercury_age(const long input)
-{
-   return input / MERCURY_YEAR;
-}
-
-float convert_venus_age(const long input)
-{
-   return input / VENUS_YEAR;
-}
-
-float convert_mars_age(const long input)
-{
-   return input / MARS_YEAR;
-}
-
-float convert_jupiter_age(const long input)
-{
-   return input / JUPITER_YEAR;
-}
-
-float convert_saturn_age(const long input)
-{
-   return input / SATURN_YEAR;
-}
-
-float convert_uranus_age(const long input)
-{
-   return input / URANUS_YEAR;
-}
-
-float convert_neptune_age(const long input)
-{
-   return input / NEPTUNE_YEAR;
+   return input / factors[planet];
 }