casadi_getu.hpp

//
//    MIT No Attribution
//
//    Copyright (C) 2010-2023 Joel Andersson, Joris Gillis, Moritz Diehl, KU Leuven.
//
//    Permission is hereby granted, free of charge, to any person obtaining a copy of this
//    software and associated documentation files (the "Software"), to deal in the Software
//    without restriction, including without limitation the rights to use, copy, modify,
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// SYMBOL "getu"
template<typename T1>
void casadi_getu(const T1* x, const casadi_int* sp_x, T1* v) {
  casadi_int ncol_x, cc, el;
  const casadi_int *colind_x, *row_x;
  // Get sparsities
  ncol_x = sp_x[1];
  colind_x = sp_x+2; row_x = sp_x + 2 + ncol_x+1;
  // Loop over the columns of x
  for (cc=0; cc<ncol_x; ++cc) {
    // Loop over the nonzeros of x
    for (el=colind_x[cc]; el<colind_x[cc+1] && row_x[el]<=cc; ++el) {
      *v++ = x[el];
    }
  }
}