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-2.2.1.159	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.158	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.157	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.156	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.155	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.154	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.153	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.152	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.151	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.150	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.149	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.148	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.147	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.146	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.145	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.144	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.143	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.142	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.141	tracks/javascript/exercises/collatz-conjecture/example.js
trackler-2.2.1.140	tracks/javascript/exercises/collatz-conjecture/example.js