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Diffstat (limited to 'casa/io/Usage.C')
| -rw-r--r-- | casa/io/Usage.C | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/casa/io/Usage.C b/casa/io/Usage.C new file mode 100644 index 0000000..676e374 --- /dev/null +++ b/casa/io/Usage.C @@ -0,0 +1,187 @@ +// Copyright 2008, 2009 Brady J. Garvin + +// This file is part of Covering Arrays by Simulated Annealing (CASA). + +// CASA is free software: you can redistribute it and/or modify it +// under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. + +// CASA is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with CASA. If not, see <http://www.gnu.org/licenses/>. + + +#include <cstdlib> +#include <iostream> +#include <posix/getopt.h> + +#include "io/Usage.H" + +using namespace std; + +const char*PROGRAM_NAME = + "Covering Arrays by Simulated Annealing (CASA)"; + +const char*PROGRAM_VERSION = + "1.1b"; + +const char*BUG_ADDRESS = + "bgarvin@cse.unl.edu"; + +static const char*PROGRAM_DOC = + "Builds mixed-level covering arrays under constraints\n" + "\n" + "Copyright 2008, 2009 Brady J. Garvin\n" + "\n" + "CASA is free software: you can redistribute it and/or modify it\n" + "under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation, either version 3 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "CASA is distributed in the hope that it will be useful, but\n" + "WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with CASA. If not, see <http://www.gnu.org/licenses/>.\n"; + +static const char*USAGE_DOC = + "[OPTIONS] [MODEL_FILE]"; + +static const char*ARG_DOC = + " -o, --output [FILE] write to the given file, regardless of seed\n" + " -c, --constrain [FILE] incorporate the given constraint file\n" + "\n" + " -s, --seed [SEED] set the seed value for the random number generator\n" + "\n" + " -i, --iterations [COUNT] set the initial number of iterations allowed at each array size\n" + " -r, --retries [COUNT] set the number of retries allowed at the same array size\n" + " -p, --partition [RATIO] set the weight of the upper bound in the binary search parition\n" + "\n" + " -t, --temperature [TEMP] set the initial temperature\n" + " -d, --multiplier [RATIO] set the temperature multiplier applied each iteration\n" + "\n" + " -l, --lower-bound [SIZE] let the covering array be no smaller than the given size\n" + " -u, --upper-bound [SIZE] let the covering array be no larger than the given size\n" + " -n, --known-size [SIZE] lock the covering array at the given size\n" + "\n" + " -v, --version show the current version and exit\n" + " -h, --help show this help and exit\n"; + +static const char*shortOptions = + "o:c:s:i:r:p:t:d:l:u:n:vh"; + +static struct option longOptions[] = { + {"output", required_argument, NULL, 'o'}, + {"constrain", required_argument, NULL, 'c'}, + {"seed", required_argument, NULL, 's'}, + {"iterations", required_argument, NULL, 'i'}, + {"retries", required_argument, NULL, 'r'}, + {"partition", required_argument, NULL, 'p'}, + {"temperature", required_argument, NULL, 't'}, + {"decrement", required_argument, NULL, 'd'}, + {"lower-bound", required_argument, NULL, 'l'}, + {"upper-bound", required_argument, NULL, 'u'}, + {"known-size", required_argument, NULL, 'n'}, + {"version", no_argument, NULL, 'v'}, + {"help", no_argument, NULL, 'h'}, + {0, 0, 0, 0 }}; + +bool verbose = true; +const char* modelFile = NULL; +const char* constraintFile = NULL; +const char* outputFile = NULL; +bool seeded = false; +int seed; +double startingTemperature = 0.5L; +double decrement = 0.99999L; +unsigned iterations = 256; +unsigned retries = 2; +unsigned lowerBound = 0; +unsigned upperBound = 0; +double searchPartition = 2.L/3.L; + +static void version() { + cerr << PROGRAM_NAME << ' ' << PROGRAM_VERSION << '\n'; + exit(0); +} + +static const char*name; +static void usage(int error) { + cerr << PROGRAM_NAME << ' ' << PROGRAM_VERSION << " - " << PROGRAM_DOC << + "\n\nUsage: " << name << ' ' << USAGE_DOC << "\n\n" << ARG_DOC << "\n\n" << + "Send bug reports to <" << BUG_ADDRESS << ">.\n"; + exit(error); +} + +void parseOptions(int argc, char*const*argv) { + name = *argv; + bool seen[256]; + (void)seen; // Workaround for a bug in some versions of GCC + for (unsigned i = 256; i-- > 0;) { + seen[i] = false; + } + for (;;) { + int index = 0; + int found = getopt_long(argc, argv, shortOptions, longOptions, &index); + switch (found) { + case 'o': // output + outputFile = optarg; + break; + case 'c': // constrain + constraintFile = optarg; + break; + case 's': // seed + seeded = true; + seed = atoi(optarg); + break; + case 'i': // iterations + iterations = atoi(optarg); + break; + case 'r': // retries + retries = atoi(optarg); + break; + case 'p': // partition + searchPartition = atof(optarg); + break; + case 't': // temperature + startingTemperature = atof(optarg); + break; + case 'd': // decrement + decrement = atof(optarg); + break; + case 'l': // lower-bound + lowerBound = atoi(optarg); + break; + case 'u': // upper-bound + upperBound = atoi(optarg); + break; + case 'n': // known-size + lowerBound = upperBound = atoi(optarg); + break; + case 'v': // version + version(); + break; + case 'h': // help + usage(0); + break; + default: // done with options + if (argc - optind < 1) { + usage(1); + } + if (argc - optind > 1) { + cerr << "Warning: ignoring extraneous arguments after model file ``" << + argv[optind] << "''." << endl; + } + modelFile = argv[optind]; + return; + } + seen[(unsigned)found] = true; + } +} |