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-2.2.1.78	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.77	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.76	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.75	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.74	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.73	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.72	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.71	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.70	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.69	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.68	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.67	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.66	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.65	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.64	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.63	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.62	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.61	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.60	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.59	tracks/javascript/exercises/collatz-conjecture/example.js