Function sum

src/utilities/data/Matrix.cpp:289–297

sum

/// sum
double sum(const Matrix& matrix) {
  double result = 0.0;
  for (unsigned i = 0; i < matrix.size1(); ++i) {
    for (unsigned j = 0; j < matrix.size2(); ++j) {
      result += matrix(i, j);
    }
  }
  return result;
}

/// maximum
double maximum(const Matrix& matrix) {