Contents

period("Earth", 1).
period("Mercury", 0.2408467).
period("Venus", 0.61519726).
period("Mars", 1.8808158).
period("Jupiter", 11.862615).
period("Saturn", 29.447498).
period("Uranus", 84.016846).
period("Neptune", 164.79132).

convYearSec(Year, Sec) :-
    Year is Sec / 31557600.

space_age(Planet, AgeSec, Years) :-
    period(Planet, Conv),
    convYearSec(AgeYear, AgeSec),
    Years is AgeYear / Conv, !.

Version data entries

392 entries across 392 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.179	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.178	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.177	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.176	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.175	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.174	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.173	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.172	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.171	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.170	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.169	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.167	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.166	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.165	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.164	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.163	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.162	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.161	tracks/prolog/exercises/space-age/space_age.example
trackler-2.2.1.160	tracks/prolog/exercises/space-age/space_age.example