92                    PGMImage<double>* solution) {  in CreateProblem()  argument
102                               solution->MutablePixelFromLinearIndex(index));  in CreateProblem()
122         double* pixel = solution->MutablePixel(x + x_delta_indices[i],  in CreateProblem()
139 void SolveProblem(Problem* problem, PGMImage<double>* solution) {  in SolveProblem()  argument
163   for (int x = 0; x < solution->width(); ++x) {  in SolveProblem()
164     for (int y = 0; y < solution->height(); ++y) {  in SolveProblem()
165       *solution->MutablePixel(x, y) =  in SolveProblem()
166           std::min(255.0, std::max(0.0, solution->Pixel(x, y)));  in SolveProblem()
206   PGMImage<double> solution(image.width(), image.height());  in main()  local
207   solution.Set(0.0);  in main()
210   CreateProblem(foe, image, &problem, &solution);  in main()
212   SolveProblem(&problem, &solution);  in main()
215     CHECK(solution.WriteToFile(FLAGS_output))  in main()