scaletopower()

void datrw::su::ScalCoo::scaletopower

(

const int &

p

)

scale to given scaling factor as defined by decimal power

Definition at line 238 of file sucomanager.cc.

References coo, DATRW_assert, DATRW_report_assert, power(), datrw::su::powertoscale(), and scale.

Referenced by datrw::su::Coordinates::equalizescaling(), and set().

    {
      int pd=this->power()-p;
      int vnew, vcmp;
      if (pd<0)
      {
        int fac=std::pow(10,-pd);
        vnew=static_cast<int>(std::floor(this->coo/fac));
        vcmp=static_cast<int>(std::floor(vnew*fac));
      }
      else
      {
        int fac=std::pow(10,pd);
        vnew=std::floor(this->coo*fac);
        vcmp=static_cast<int>(std::floor(vnew/fac));
      }
      DATRW_report_assert(vcmp==this->coo,
                          "WARNING ScalCoo::scaletopower will truncate "
                          "coordinate value\n"
                          "value was " 
                          << helper::MyOutputFormat() << this->coo <<
                          " value will be " << vcmp);
      this->coo = vnew;
      this->scale=powertoscale(p);
      DATRW_assert(this-scale != 0,
                   "ERROR (ScalCoo::scaletopower): illegal scale value!");
    } // void ScalCoo::scaletopower(const int& p)

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