docs: function dunif(a, b, logp) {
        logp = logp === true;
  
        if (utils.hasNaN(a, b) || b <= a) {
           return function(x) { return NaN; };
        }
  
        return function(x) {
           var p;
  
           if (utils.hasNaN(x)) { return NaN; }
           p = x < a || x > b ? 0 : 1 / (b - a);
  
           return logp ? Math.log(p) : p;
        };
     }