xbt_assert(var->weight > 0);
XBT_CDEBUG(surf_lagrange_dichotomy, "Computing sigma_i for var (%p)", var);
// Initialize the summation variable
xbt_assert(var->weight > 0);
XBT_CDEBUG(surf_lagrange_dichotomy, "Computing sigma_i for var (%p)", var);
// Initialize the summation variable