#include "block.h"
#include "random.h"


class RandUniform :
      public Block
{
  private:
    OutPort < double > * out;
    Parameter < long > * seed;
    Parameter < double > * minpar;
    Parameter < double > * maxpar;

    Random generator;

  public:
    RandUniform(const Blockopt & blockopt) : Block(blockopt)
    {}


    void makeParameters()
    {
      seed = new Parameter < long > (this, "seed", 12345);
      minpar = new Parameter < double > (this, "min", 0.);
      maxpar = new Parameter < double > (this, "max", 1.);
    }


    void makeIOPorts()
    {
      out = new OutPort < double > (this, "out", 1);
    }


    void initialize()
    {
      generator.setSeed(seed->value());
    }


    void go()
    {
      out->write(generator.getRand()*(maxpar->value() - minpar->value()) - minpar->value());
    }
};


PUBLISH(RandUniform);