| 162 | // --------------------------------------------------------------- |
| 163 | |
| 164 | static void ReadCheckpointFile(const std::string& fileName) { |
| 165 | int i; |
| 166 | std::string File = fileName; |
| 167 | |
| 168 | File += '/'; |
| 169 | File += "Header"; |
| 170 | |
| 171 | VisMF::IO_Buffer io_buffer(VisMF::IO_Buffer_Size); |
| 172 | |
| 173 | std::ifstream is; |
| 174 | is.rdbuf()->pubsetbuf(io_buffer.dataPtr(), io_buffer.size()); |
| 175 | is.open(File.c_str(), std::ios::in); |
| 176 | if( ! is.good()) { |
| 177 | amrex::FileOpenFailed(File); |
| 178 | } |
| 179 | |
| 180 | // |
| 181 | // Read global data. |
| 182 | // |
| 183 | // Attempt to differentiate between old and new CheckPointFiles. |
| 184 | // |
| 185 | int spdim; |
| 186 | bool new_checkpoint_format = false; |
| 187 | std::string first_line; |
| 188 | |
| 189 | std::getline(is,first_line); |
| 190 | |
| 191 | if (first_line == CheckPointVersion) { |
| 192 | new_checkpoint_format = true; |
| 193 | is >> spdim; |
| 194 | } else { |
| 195 | spdim = atoi(first_line.c_str()); |
| 196 | } |
| 197 | |
| 198 | if(spdim != AMREX_SPACEDIM) { |
| 199 | cerr << "Amr::restart(): bad spacedim = " << spdim << '\n'; |
| 200 | amrex::Abort(); |
| 201 | } |
| 202 | |
| 203 | is >> fakeAmr.cumtime; |
| 204 | int mx_lev; |
| 205 | is >> mx_lev; |
| 206 | is >> fakeAmr.finest_level; |
| 207 | |
| 208 | if(ParallelDescriptor::IOProcessor()) |
| 209 | std::cout << "previous finest_lev is " << fakeAmr.finest_level << std::endl; |
| 210 | |
| 211 | // ADDING LEVELS |
| 212 | int n = num_new_levels; |
| 213 | mx_lev = mx_lev + n; |
| 214 | fakeAmr.finest_level = fakeAmr.finest_level + n; |
| 215 | |
| 216 | if(ParallelDescriptor::IOProcessor()) { |
| 217 | std::cout << " new finest_lev is " << fakeAmr.finest_level << std::endl; |
| 218 | std::cout << "previous mx_lev is " << mx_lev-n << std::endl; |
| 219 | std::cout << " new mx_lev is " << mx_lev << std::endl; |
| 220 | } |
| 221 | |