142     ofstream outputStream(filename, ios::trunc);  in main()  local
143     if (outputStream.good()) {  in main()
147         outputStream << "// generated with lutgen " << filename.c_str() << endl;  in main()
148         outputStream << "// 3D LUT stored as an RGB16F texture, in GL order" << endl;  in main()
149         outputStream << "// Size is " << gSize << "x" << gSize << "x" << gSize << endl;  in main()
158 …        outputStream << "const size_t LUT_" << src << "_TO_" << dst << "_SIZE = " << gSize << endl;  in main()
159             outputStream << "const uint16_t LUT_" << src << "_TO_" << dst << "[] = {";  in main()
161             outputStream << "// From " << src << " to " << dst << endl;  in main()
167                     if (x % 4 == 0) outputStream << endl << "    ";  in main()
175                     outputStream << "0x" << setfill('0') << setw(4) << hex << r << ", ";  in main()
176                     outputStream << "0x" << setfill('0') << setw(4) << hex << g << ", ";  in main()
177                     outputStream << "0x" << setfill('0') << setw(4) << hex << b << ", ";  in main()
183             outputStream << endl << "}; // end LUT" << endl;  in main()
186         outputStream << endl;  in main()
187         outputStream.flush();  in main()
188         outputStream.close();  in main()