Contents

'use strict';

function CollatzConjecture() {}

CollatzConjecture.prototype.steps = function (number) {
  var count = 0;
  if (number < 1) {
    throw new Error('Only positive numbers are allowed');
  }
  getStepsCount(number);
  function getStepsCount(n) {
    if (n === 1) return 0;
    var nextNumber = ( n % 2 === 0 ? n / 2 : 3 * n + 1);
    count++;
    return getStepsCount(nextNumber);
  }
  return count;
};

module.exports = CollatzConjecture;

Version data entries

132 entries across 132 versions & 1 rubygems

Version	Path
trackler-2.2.1.119	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.118	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.117	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.116	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.115	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.114	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.113	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.111	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.110	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.109	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.108	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.107	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.106	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.105	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.104	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.103	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.102	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.101	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.100	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.99	tracks/javascript/exercises/collatz-conjecture/example.js