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-2.2.1.98	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.97	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.96	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.95	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.94	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.93	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.92	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.91	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.90	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.89	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.88	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.87	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.86	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.85	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.84	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.83	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.82	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.81	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.80	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.79	tracks/javascript/exercises/collatz-conjecture/example.js