options.c

   1 #include <unistd.h>
   2 #include <barvinok/options.h>
   3 #include <barvinok/util.h>
   4 #include "argp.h"
   5 #include "config.h"
   6
   7 #ifdef HAVE_GROWING_CHERNIKOVA
   8 #define MAXRAYS    (POL_NO_DUAL | POL_INTEGER)
   9 #else
  10 #define MAXRAYS  600
  11 #endif
  12
  13 #ifndef HAVE_LIBGLPK
  14 Vector *Polyhedron_Sample(Polyhedron *P, struct barvinok_options *options)
  15 {
  16     assert(0);
  17 }
  18 #endif
  19
  20 #define ALLOC(type) (type*)malloc(sizeof(type))
  21
  22 void barvinok_stats_clear(struct barvinok_stats *stats)
  23 {
  24     stats->base_cones = 0;
  25     stats->volume_simplices = 0;
  26 }
  27
  28 void barvinok_stats_print(struct barvinok_stats *stats, FILE *out)
  29 {
  30     fprintf(out, "Base cones: %d\n", stats->base_cones);
  31     if (stats->volume_simplices)
  32         fprintf(out, "Volume simplices: %d\n", stats->volume_simplices);
  33 }
  34
  35 struct barvinok_options *barvinok_options_new_with_defaults()
  36 {
  37     struct barvinok_options *options = ALLOC(struct barvinok_options);
  38     if (!options)
  39         return NULL;
  40
  41     options->stats = ALLOC(struct barvinok_stats);
  42     if (!options->stats) {
  43         free(options);
  44         return NULL;
  45     }
  46
  47     barvinok_stats_clear(options->stats);
  48
  49     options->LLL_a = 1;
  50     options->LLL_b = 1;
  51
  52     options->MaxRays = MAXRAYS;
  53
  54 #ifdef USE_INCREMENTAL_BF
  55     options->incremental_specialization = 2;
  56 #elif defined USE_INCREMENTAL_DF
  57     options->incremental_specialization = 1;
  58 #else
  59     options->incremental_specialization = 0;
  60 #endif
  61     options->max_index = 1;
  62     options->primal = 0;
  63 #ifdef USE_MODULO
  64     options->lookup_table = 0;
  65 #else
  66     options->lookup_table = 1;
  67 #endif
  68 #ifdef HAVE_LIBGLPK
  69     options->count_sample_infinite = 1;
  70 #else
  71     options->count_sample_infinite = 0;
  72 #endif
  73     options->try_Delaunay_triangulation = 0;
  74
  75     options->polynomial_approximation = BV_APPROX_SIGN_NONE;
  76     options->approximation_method = BV_APPROX_NONE;
  77     options->scale_flags = 0;
  78     options->volume_triangulate = BV_VOL_VERTEX;
  79
  80 #ifdef HAVE_LIBGLPK
  81     options->gbr_lp_solver = BV_GBR_GLPK;
  82 #elif defined HAVE_LIBCDDGMP
  83     options->gbr_lp_solver = BV_GBR_CDD;
  84 #else
  85     options->gbr_lp_solver = BV_GBR_NONE;
  86 #endif
  87
  88     options->bernstein_optimize = BV_BERNSTEIN_NONE;
  89
  90     options->bernstein_recurse = BV_BERNSTEIN_FACTORS;
  91
  92     return options;
  93 }
  94
  95 void barvinok_options_free(struct barvinok_options *options)
  96 {
  97     free(options->stats);
  98     free(options);
  99 }
 100
 101 enum {
 102     SCALE_FAST,
 103     SCALE_SLOW,
 104     SCALE_NARROW,
 105     SCALE_NARROW2,
 106     SCALE_CHAMBER,
 107 };
 108
 109 const char *scale_opts[] = {
 110     "fast",
 111     "slow",
 112     "narrow",
 113     "narrow2",
 114     "chamber",
 115     NULL
 116 };
 117
 118 static struct argp_option approx_argp_options[] = {
 119     { "polynomial-approximation", BV_OPT_POLAPPROX, "lower|upper",      1 },
 120     { "approximation-method", BV_OPT_APPROX,        "scale|drop|volume",        0,
 121         "method to use in polynomial approximation [default: drop]" },
 122     { "scale-options",      BV_OPT_SCALE,
 123         "fast|slow,narrow|narrow2,chamber",     0 },
 124     { "volume-triangulation",       BV_OPT_VOL,     "lift|vertex|barycenter",    0,
 125         "type of triangulation to perform in volume computation [default: vertex]" },
 126     { 0 }
 127 };
 128
 129 static struct argp_option barvinok_argp_options[] = {
 130     { "index",              BV_OPT_MAXINDEX,        "int",              0,
 131        "maximal index of simple cones in decomposition" },
 132     { "primal",             BV_OPT_PRIMAL,          0,                  0 },
 133     { "table",              BV_OPT_TABLE,           0,                  0 },
 134     { "specialization",     BV_OPT_SPECIALIZATION,  "[bf|df|random]",   0 },
 135     { "gbr",                BV_OPT_GBR,             "[cdd]",            0,
 136       "solver to use for basis reduction" },
 137     { "version",            'V',                    0,                  0 },
 138     { 0 }
 139 };
 140
 141 static error_t approx_parse_opt(int key, char *arg, struct argp_state *state)
 142 {
 143     struct barvinok_options *options = state->input;
 144     char *subopt;
 145
 146     switch (key) {
 147     case BV_OPT_POLAPPROX:
 148         if (!arg) {
 149             options->polynomial_approximation = BV_APPROX_SIGN_APPROX;
 150             if (options->approximation_method == BV_APPROX_NONE)
 151                 options->approximation_method = BV_APPROX_SCALE;
 152         } else {
 153             if (!strcmp(arg, "lower"))
 154                 options->polynomial_approximation = BV_APPROX_SIGN_LOWER;
 155             else if (!strcmp(arg, "upper"))
 156                 options->polynomial_approximation = BV_APPROX_SIGN_UPPER;
 157             if (options->approximation_method == BV_APPROX_NONE)
 158                 options->approximation_method = BV_APPROX_DROP;
 159         }
 160         break;
 161     case BV_OPT_APPROX:
 162         if (!strcmp(arg, "scale"))
 163             options->approximation_method = BV_APPROX_SCALE;
 164         else if (!strcmp(arg, "drop"))
 165             options->approximation_method = BV_APPROX_DROP;
 166         else if (!strcmp(arg, "volume"))
 167             options->approximation_method = BV_APPROX_VOLUME;
 168         else
 169             argp_error(state, "unknown value for --approximation-method option");
 170         break;
 171     case BV_OPT_SCALE:
 172         options->approximation_method = BV_APPROX_SCALE;
 173         while (*arg != '\0')
 174             switch (getsubopt(&arg, scale_opts, &subopt)) {
 175             case SCALE_FAST:
 176                 options->scale_flags |= BV_APPROX_SCALE_FAST;
 177                 break;
 178             case SCALE_SLOW:
 179                 options->scale_flags &= ~BV_APPROX_SCALE_FAST;
 180                 break;
 181             case SCALE_NARROW:
 182                 options->scale_flags |= BV_APPROX_SCALE_NARROW;
 183                 options->scale_flags &= ~BV_APPROX_SCALE_NARROW2;
 184                 break;
 185             case SCALE_NARROW2:
 186                 options->scale_flags |= BV_APPROX_SCALE_NARROW2;
 187                 options->scale_flags &= ~BV_APPROX_SCALE_NARROW;
 188                 break;
 189             case SCALE_CHAMBER:
 190                 options->scale_flags |= BV_APPROX_SCALE_CHAMBER;
 191                 break;
 192             default:
 193                 argp_error(state, "unknown suboption '%s'\n", subopt);
 194             }
 195         break;
 196     case BV_OPT_VOL:
 197         if (!strcmp(arg, "lift"))
 198             options->volume_triangulate = BV_VOL_LIFT;
 199         else if (!strcmp(arg, "vertex"))
 200             options->volume_triangulate = BV_VOL_VERTEX;
 201         else if (!strcmp(arg, "barycenter"))
 202             options->volume_triangulate = BV_VOL_BARYCENTER;
 203         break;
 204     case ARGP_KEY_END:
 205         if (options->polynomial_approximation == BV_APPROX_SIGN_NONE &&
 206             options->approximation_method != BV_APPROX_NONE) {
 207             fprintf(stderr,
 208         "no polynomial approximation selected; reseting approximation method\n");
 209             options->approximation_method = BV_APPROX_NONE;
 210         }
 211         break;
 212     default:
 213         return ARGP_ERR_UNKNOWN;
 214     }
 215     return 0;
 216 }
 217
 218 static error_t barvinok_parse_opt(int key, char *arg, struct argp_state *state)
 219 {
 220     struct barvinok_options *options = state->input;
 221     char *subopt;
 222
 223     switch (key) {
 224     case ARGP_KEY_INIT:
 225         state->child_inputs[0] = options;
 226         break;
 227     case 'V':
 228         printf(barvinok_version());
 229         exit(0);
 230     case BV_OPT_SPECIALIZATION:
 231         if (!strcmp(arg, "bf"))
 232             options->incremental_specialization = BV_SPECIALIZATION_BF;
 233         else if (!strcmp(arg, "df"))
 234             options->incremental_specialization = BV_SPECIALIZATION_DF;
 235         else if (!strcmp(arg, "random"))
 236             options->incremental_specialization = BV_SPECIALIZATION_RANDOM;
 237         break;
 238     case BV_OPT_PRIMAL:
 239         options->primal = 1;
 240         break;
 241     case BV_OPT_TABLE:
 242         options->lookup_table = 1;
 243         break;
 244     case BV_OPT_GBR:
 245         if (!strcmp(arg, "cdd"))
 246             options->gbr_lp_solver = BV_GBR_CDD;
 247         break;
 248     case BV_OPT_MAXINDEX:
 249         options->max_index = strtoul(arg, NULL, 0);
 250         break;
 251     default:
 252         return ARGP_ERR_UNKNOWN;
 253     }
 254     return 0;
 255 }
 256
 257 static struct argp approx_argp = {
 258     approx_argp_options, approx_parse_opt, 0, 0
 259 };
 260
 261 static struct argp_child barvinok_children[] = {
 262     { &approx_argp,     0,      "polynomial approximation",     BV_GRP_APPROX },
 263     { 0 }
 264 };
 265
 266 struct argp barvinok_argp = {
 267     barvinok_argp_options, barvinok_parse_opt, 0, 0, barvinok_children
 268 };