isl_multi_templ.c

   1 /*
   2  * Copyright 2011      Sven Verdoolaege
   3  *
   4  * Use of this software is governed by the GNU LGPLv2.1 license
   5  */
   6
   7 #define xCAT(A,B) A ## B
   8 #define CAT(A,B) xCAT(A,B)
   9 #undef EL
  10 #define EL CAT(isl_,BASE)
  11 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
  12 #define FN(TYPE,NAME) xFN(TYPE,NAME)
  13 #define xMULTI(BASE) isl_multi_ ## BASE
  14 #define MULTI(BASE) xMULTI(BASE)
  15 #define MULTI_NAME(BASE) "isl_multi_" #BASE
  16 #define xLIST(EL) EL ## _list
  17 #define LIST(EL) xLIST(EL)
  18
  19 isl_ctx *FN(MULTI(BASE),get_ctx)(__isl_keep MULTI(BASE) *multi)
  20 {
  21         return multi ? isl_space_get_ctx(multi->space) : NULL;
  22 }
  23
  24 __isl_give isl_space *FN(MULTI(BASE),get_space)(__isl_keep MULTI(BASE) *multi)
  25 {
  26         return multi ? isl_space_copy(multi->space) : NULL;
  27 }
  28
  29 __isl_give isl_space *FN(MULTI(BASE),get_domain_space)(
  30         __isl_keep MULTI(BASE) *multi)
  31 {
  32         return multi ? isl_space_domain(isl_space_copy(multi->space)) : NULL;
  33 }
  34
  35 __isl_give MULTI(BASE) *FN(MULTI(BASE),alloc)(__isl_take isl_space *space)
  36 {
  37         isl_ctx *ctx;
  38         int n;
  39         MULTI(BASE) *multi;
  40
  41         if (!space)
  42                 return NULL;
  43
  44         ctx = isl_space_get_ctx(space);
  45         n = isl_space_dim(space, isl_dim_out);
  46         multi = isl_calloc(ctx, MULTI(BASE),
  47                          sizeof(MULTI(BASE)) + (n - 1) * sizeof(struct EL *));
  48         if (!multi)
  49                 goto error;
  50
  51         multi->space = space;
  52         multi->n = n;
  53         multi->ref = 1;
  54         return multi;
  55 error:
  56         isl_space_free(space);
  57         return NULL;
  58 }
  59
  60 __isl_give MULTI(BASE) *FN(MULTI(BASE),dup)(__isl_keep MULTI(BASE) *multi)
  61 {
  62         int i;
  63         MULTI(BASE) *dup;
  64
  65         if (!multi)
  66                 return NULL;
  67
  68         dup = FN(MULTI(BASE),alloc)(isl_space_copy(multi->space));
  69         if (!dup)
  70                 return NULL;
  71
  72         for (i = 0; i < multi->n; ++i)
  73                 dup = FN(FN(MULTI(BASE),set),BASE)(dup, i,
  74                                                     FN(EL,copy)(multi->p[i]));
  75
  76         return dup;
  77 }
  78
  79 __isl_give MULTI(BASE) *FN(MULTI(BASE),cow)(__isl_take MULTI(BASE) *multi)
  80 {
  81         if (!multi)
  82                 return NULL;
  83
  84         if (multi->ref == 1)
  85                 return multi;
  86
  87         multi->ref--;
  88         return FN(MULTI(BASE),dup)(multi);
  89 }
  90
  91 __isl_give MULTI(BASE) *FN(MULTI(BASE),copy)(__isl_keep MULTI(BASE) *multi)
  92 {
  93         if (!multi)
  94                 return NULL;
  95
  96         multi->ref++;
  97         return multi;
  98 }
  99
 100 void *FN(MULTI(BASE),free)(__isl_take MULTI(BASE) *multi)
 101 {
 102         int i;
 103
 104         if (!multi)
 105                 return NULL;
 106
 107         if (--multi->ref > 0)
 108                 return NULL;
 109
 110         isl_space_free(multi->space);
 111         for (i = 0; i < multi->n; ++i)
 112                 FN(EL,free)(multi->p[i]);
 113         free(multi);
 114
 115         return NULL;
 116 }
 117
 118 unsigned FN(MULTI(BASE),dim)(__isl_keep MULTI(BASE) *multi,
 119         enum isl_dim_type type)
 120 {
 121         return multi ? isl_space_dim(multi->space, type) : 0;
 122 }
 123
 124 const char *FN(MULTI(BASE),get_tuple_name)(__isl_keep MULTI(BASE) *multi,
 125         enum isl_dim_type type)
 126 {
 127         return multi ? isl_space_get_tuple_name(multi->space, type) : NULL;
 128 }
 129
 130 __isl_give EL *FN(FN(MULTI(BASE),get),BASE)(__isl_keep MULTI(BASE) *multi,
 131         int pos)
 132 {
 133         isl_ctx *ctx;
 134
 135         if (!multi)
 136                 return NULL;
 137         ctx = FN(MULTI(BASE),get_ctx)(multi);
 138         if (pos < 0 || pos >= multi->n)
 139                 isl_die(ctx, isl_error_invalid,
 140                         "index out of bounds", return NULL);
 141         return FN(EL,copy)(multi->p[pos]);
 142 }
 143
 144 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),set),BASE)(
 145         __isl_take MULTI(BASE) *multi, int pos, __isl_take EL *el)
 146 {
 147         multi = FN(MULTI(BASE),cow)(multi);
 148         if (!multi || !el)
 149                 goto error;
 150
 151         if (pos < 0 || pos >= multi->n)
 152                 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
 153                         "index out of bounds", goto error);
 154
 155         FN(EL,free)(multi->p[pos]);
 156         multi->p[pos] = el;
 157
 158         return multi;
 159 error:
 160         FN(MULTI(BASE),free)(multi);
 161         FN(EL,free)(el);
 162         return NULL;
 163 }
 164
 165 /* Reset the space of "multi".  This function is called from isl_pw_templ.c
 166  * and doesn't know if the space of an element object is represented
 167  * directly or through its domain.  It therefore passes along both,
 168  * which we pass along to the element function since we don't how
 169  * that is represented either.
 170  */
 171 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_space_and_domain)(
 172         __isl_take MULTI(BASE) *multi, __isl_take isl_space *space,
 173         __isl_take isl_space *domain)
 174 {
 175         int i;
 176
 177         multi = FN(MULTI(BASE),cow)(multi);
 178         if (!multi || !space || !domain)
 179                 goto error;
 180
 181         for (i = 0; i < multi->n; ++i) {
 182                 multi->p[i] = FN(EL,reset_space_and_domain)(multi->p[i],
 183                                  isl_space_copy(space), isl_space_copy(domain));
 184                 if (!multi->p[i])
 185                         goto error;
 186         }
 187         isl_space_free(domain);
 188         isl_space_free(multi->space);
 189         multi->space = space;
 190
 191         return multi;
 192 error:
 193         isl_space_free(domain);
 194         isl_space_free(space);
 195         FN(MULTI(BASE),free)(multi);
 196         return NULL;
 197 }
 198
 199 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_domain_space)(
 200         __isl_take MULTI(BASE) *multi, __isl_take isl_space *domain)
 201 {
 202         isl_space *space;
 203
 204         space = isl_space_extend_domain_with_range(isl_space_copy(domain),
 205                                                 isl_space_copy(multi->space));
 206         return FN(MULTI(BASE),reset_space_and_domain)(multi, space, domain);
 207 }
 208
 209 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_space)(
 210         __isl_take MULTI(BASE) *multi, __isl_take isl_space *space)
 211 {
 212         isl_space *domain;
 213
 214         domain = isl_space_domain(isl_space_copy(space));
 215         return FN(MULTI(BASE),reset_space_and_domain)(multi, space, domain);
 216 }
 217
 218 __isl_give MULTI(BASE) *FN(MULTI(BASE),set_tuple_id)(
 219         __isl_keep MULTI(BASE) *multi, enum isl_dim_type type,
 220         __isl_take isl_id *id)
 221 {
 222         isl_space *space;
 223
 224         multi = FN(MULTI(BASE),cow)(multi);
 225         if (!multi)
 226                 return isl_id_free(id);
 227
 228         space = FN(MULTI(BASE),get_space)(multi);
 229         space = isl_space_set_tuple_id(space, type, id);
 230
 231         return FN(MULTI(BASE),reset_space)(multi, space);
 232 }
 233
 234 __isl_give MULTI(BASE) *FN(MULTI(BASE),realign_domain)(
 235         __isl_take MULTI(BASE) *multi, __isl_take isl_reordering *exp)
 236 {
 237         int i;
 238
 239         multi = FN(MULTI(BASE),cow)(multi);
 240         if (!multi || !exp)
 241                 return NULL;
 242
 243         for (i = 0; i < multi->n; ++i) {
 244                 multi->p[i] = FN(EL,realign_domain)(multi->p[i],
 245                                                 isl_reordering_copy(exp));
 246                 if (!multi->p[i])
 247                         goto error;
 248         }
 249
 250         multi = FN(MULTI(BASE),reset_domain_space)(multi,
 251                                                     isl_space_copy(exp->dim));
 252
 253         isl_reordering_free(exp);
 254         return multi;
 255 error:
 256         isl_reordering_free(exp);
 257         FN(MULTI(BASE),free)(multi);
 258         return NULL;
 259 }
 260
 261 /* Align the parameters of "multi" to those of "model".
 262  */
 263 __isl_give MULTI(BASE) *FN(MULTI(BASE),align_params)(
 264         __isl_take MULTI(BASE) *multi, __isl_take isl_space *model)
 265 {
 266         isl_ctx *ctx;
 267
 268         if (!multi || !model)
 269                 goto error;
 270
 271         ctx = isl_space_get_ctx(model);
 272         if (!isl_space_has_named_params(model))
 273                 isl_die(ctx, isl_error_invalid,
 274                         "model has unnamed parameters", goto error);
 275         if (!isl_space_has_named_params(multi->space))
 276                 isl_die(ctx, isl_error_invalid,
 277                         "input has unnamed parameters", goto error);
 278         if (!isl_space_match(multi->space, isl_dim_param,
 279                              model, isl_dim_param)) {
 280                 isl_reordering *exp;
 281
 282                 model = isl_space_params(model);
 283                 exp = isl_parameter_alignment_reordering(multi->space, model);
 284                 exp = isl_reordering_extend_space(exp,
 285                                     FN(MULTI(BASE),get_domain_space)(multi));
 286                 multi = FN(MULTI(BASE),realign_domain)(multi, exp);
 287         }
 288
 289         isl_space_free(model);
 290         return multi;
 291 error:
 292         isl_space_free(model);
 293         FN(MULTI(BASE),free)(multi);
 294         return NULL;
 295 }
 296
 297 static __isl_give MULTI(BASE) *align_params_multi_set_and(
 298         __isl_take MULTI(BASE) *multi, __isl_take isl_set *set,
 299         __isl_give MULTI(BASE) *(*fn)(__isl_take MULTI(BASE) *multi,
 300                                         __isl_take isl_set *set))
 301 {
 302         isl_ctx *ctx;
 303
 304         if (!multi || !set)
 305                 goto error;
 306         if (isl_space_match(multi->space, isl_dim_param,
 307                             set->dim, isl_dim_param))
 308                 return fn(multi, set);
 309         ctx = FN(MULTI(BASE),get_ctx)(multi);
 310         if (!isl_space_has_named_params(multi->space) ||
 311             !isl_space_has_named_params(set->dim))
 312                 isl_die(ctx, isl_error_invalid,
 313                         "unaligned unnamed parameters", goto error);
 314         multi = FN(MULTI(BASE),align_params)(multi, isl_set_get_space(set));
 315         set = isl_set_align_params(set, FN(MULTI(BASE),get_space)(multi));
 316         return fn(multi, set);
 317 error:
 318         FN(MULTI(BASE),free)(multi);
 319         isl_set_free(set);
 320         return NULL;
 321 }
 322
 323 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist_aligned)(
 324         __isl_take MULTI(BASE) *multi, __isl_take isl_set *context)
 325 {
 326         int i;
 327
 328         if (!multi || !context)
 329                 goto error;
 330
 331         for (i = 0; i < multi->n; ++i) {
 332                 multi->p[i] = FN(EL,gist)(multi->p[i], isl_set_copy(context));
 333                 if (!multi->p[i])
 334                         goto error;
 335         }
 336
 337         isl_set_free(context);
 338         return multi;
 339 error:
 340         isl_set_free(context);
 341         FN(MULTI(BASE),free)(multi);
 342         return NULL;
 343 }
 344
 345 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist)(__isl_take MULTI(BASE) *multi,
 346         __isl_take isl_set *context)
 347 {
 348         return align_params_multi_set_and(multi, context,
 349                                                 &FN(MULTI(BASE),gist_aligned));
 350 }
 351
 352 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist_params)(
 353         __isl_take MULTI(BASE) *multi, __isl_take isl_set *context)
 354 {
 355         isl_space *space = FN(MULTI(BASE),get_domain_space)(multi);
 356         isl_set *dom_context = isl_set_universe(space);
 357         dom_context = isl_set_intersect_params(dom_context, context);
 358         return FN(MULTI(BASE),gist)(multi, dom_context);
 359 }
 360
 361 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),from),LIST(BASE))(
 362         __isl_take isl_space *space, __isl_take LIST(EL) *list)
 363 {
 364         int i;
 365         int n;
 366         isl_ctx *ctx;
 367         MULTI(BASE) *multi;
 368
 369         if (!space || !list)
 370                 goto error;
 371
 372         ctx = isl_space_get_ctx(space);
 373         n = FN(FN(LIST(EL),n),BASE)(list);
 374         if (n != isl_space_dim(space, isl_dim_out))
 375                 isl_die(ctx, isl_error_invalid,
 376                         "invalid number of elements in list", goto error);
 377
 378         multi = FN(MULTI(BASE),alloc)(isl_space_copy(space));
 379         for (i = 0; i < n; ++i) {
 380                 multi = FN(FN(MULTI(BASE),set),BASE)(multi, i,
 381                                         FN(FN(LIST(EL),get),BASE)(list, i));
 382         }
 383
 384         isl_space_free(space);
 385         FN(LIST(EL),free)(list);
 386         return multi;
 387 error:
 388         isl_space_free(space);
 389         FN(LIST(EL),free)(list);
 390         return NULL;
 391 }