int NumericVector<T>::global_relative_compare (const NumericVector<T> &other_vector, const Real threshold) const { libmesh_assert (this->initialized()); libmesh_assert (other_vector.initialized()); libmesh_assert_equal_to (this->first_local_index(), other_vector.first_local_index()); libmesh_assert_equal_to (this->last_local_index(), other_vector.last_local_index()); int first_different_i = std::numeric_limits<int>::max(); numeric_index_type i = first_local_index(); const Real my_norm = this->linfty_norm(); const Real other_norm = other_vector.linfty_norm(); const Real abs_threshold = std::max(my_norm, other_norm) * threshold; do { if ( std::abs( (*this)(i) - other_vector(i) ) > abs_threshold ) first_different_i = i; else i++; } while (first_different_i==std::numeric_limits<int>::max() && i<last_local_index()); // Find the correct first differing index in parallel CommWorld.min(first_different_i); if (first_different_i == std::numeric_limits<int>::max()) return -1; return first_different_i; }
void AssembleOptimization::inequality_constraints (const NumericVector<Number> & X, NumericVector<Number> & C_ineq, OptimizationSystem & /*sys*/) { C_ineq.zero(); std::unique_ptr<NumericVector<Number>> X_localized = NumericVector<Number>::build(X.comm()); X_localized->init(X.size(), false, SERIAL); X.localize(*X_localized); std::vector<Number> constraint_values(1); constraint_values[0] = (*X_localized)(200)*(*X_localized)(200) + (*X_localized)(201) - 5.; for (std::size_t i=0; i<constraint_values.size(); i++) if ((C_ineq.first_local_index() <= i) && (i < C_ineq.last_local_index())) C_ineq.set(i, constraint_values[i]); }
//-------------------------------------------------------------------------------------------- int NumericVector::compare (const NumericVector &other_vector, const double threshold) const { assert (this->initialized()); assert (other_vector.initialized()); assert (this->first_local_index() == other_vector.first_local_index()); assert (this->last_local_index() == other_vector.last_local_index()); int rvalue = -1; int i = first_local_index(); do { if ( std::abs( (*this)(i) - other_vector(i) ) > threshold ) rvalue = i; else i++; } while (rvalue==-1 && i<last_local_index()); return rvalue; }
void AssembleOptimization::equality_constraints (const NumericVector<Number> & X, NumericVector<Number> & C_eq, OptimizationSystem & /*sys*/) { C_eq.zero(); UniquePtr<NumericVector<Number> > X_localized = NumericVector<Number>::build(X.comm()); X_localized->init(X.size(), false, SERIAL); X.localize(*X_localized); std::vector<Number> constraint_values(3); constraint_values[0] = (*X_localized)(17); constraint_values[1] = (*X_localized)(23); constraint_values[2] = (*X_localized)(98) + (*X_localized)(185); for (unsigned int i=0; i<constraint_values.size(); i++) if ((C_eq.first_local_index() <= i) && (i < C_eq.last_local_index())) C_eq.set(i, constraint_values[i]); }