C++ (Cpp) CoinDenseVector::size Examples

Example #1

File: ClpHelperFunctions.hpp Project: e2bsq/Symphony

inline double  pdxxxstep(int nset, int *set, CoinDenseVector <double> &x, CoinDenseVector <double> &dx )
{

// Assumes x > 0.
// Finds the maximum step such that x + step*dx >= 0.

     double step     = 1e+20;

     int n = x.size();
     double *x_elts = x.getElements();
     double *dx_elts = dx.getElements();
     for (int k = 0; k < n; k++)
          if (dx_elts[k] < 0)
               if ((x_elts[k] / (-dx_elts[k])) < step)
                    step = x_elts[k] / (-dx_elts[k]);
     return step;
}