include/isl_dim.h

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  *
   4  * Use of this software is governed by the GNU LGPLv2.1 license
   5  *
   6  * Written by Sven Verdoolaege, K.U.Leuven, Departement
   7  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   8  */
   9
  10 #ifndef ISL_DIM_H
  11 #define ISL_DIM_H
  12
  13 #include <isl_ctx.h>
  14
  15 #if defined(__cplusplus)
  16 extern "C" {
  17 #endif
  18
  19 struct isl_name;
  20 struct isl_dim {
  21         int ref;
  22
  23         struct isl_ctx *ctx;
  24
  25         unsigned nparam;
  26         unsigned n_in;          /* zero for sets */
  27         unsigned n_out;         /* dim for sets */
  28
  29         unsigned n_name;
  30         struct isl_name **names;
  31 };
  32 typedef struct isl_dim isl_dim;
  33
  34 enum isl_dim_type {
  35         isl_dim_param,
  36         isl_dim_in,
  37         isl_dim_out,
  38         isl_dim_set = isl_dim_out,
  39         isl_dim_div,
  40         isl_dim_all
  41 };
  42
  43 __isl_give isl_dim *isl_dim_alloc(isl_ctx *ctx,
  44                         unsigned nparam, unsigned n_in, unsigned n_out);
  45 __isl_give isl_dim *isl_dim_set_alloc(isl_ctx *ctx,
  46                         unsigned nparam, unsigned dim);
  47 __isl_give isl_dim *isl_dim_copy(__isl_keep isl_dim *dim);
  48 struct isl_dim *isl_dim_cow(struct isl_dim *dim);
  49 void isl_dim_free(__isl_take isl_dim *dim);
  50
  51 struct isl_dim *isl_dim_set_name(struct isl_dim *dim,
  52                                  enum isl_dim_type type, unsigned pos,
  53                                  const char *name);
  54 const char *isl_dim_get_name(struct isl_dim *dim,
  55                                  enum isl_dim_type type, unsigned pos);
  56
  57 struct isl_dim *isl_dim_extend(struct isl_dim *dim,
  58                         unsigned nparam, unsigned n_in, unsigned n_out);
  59 struct isl_dim *isl_dim_add(struct isl_dim *dim, enum isl_dim_type type,
  60                 unsigned n);
  61 struct isl_dim *isl_dim_join(struct isl_dim *left, struct isl_dim *right);
  62 struct isl_dim *isl_dim_product(struct isl_dim *left, struct isl_dim *right);
  63 struct isl_dim *isl_dim_map(struct isl_dim *dim);
  64 struct isl_dim *isl_dim_reverse(struct isl_dim *dim);
  65 struct isl_dim *isl_dim_drop(struct isl_dim *dim, enum isl_dim_type type,
  66                 unsigned first, unsigned num);
  67 struct isl_dim *isl_dim_drop_inputs(struct isl_dim *dim,
  68                 unsigned first, unsigned n);
  69 struct isl_dim *isl_dim_drop_outputs(struct isl_dim *dim,
  70                 unsigned first, unsigned n);
  71 struct isl_dim *isl_dim_domain(struct isl_dim *dim);
  72 struct isl_dim *isl_dim_range(struct isl_dim *dim);
  73 struct isl_dim *isl_dim_underlying(struct isl_dim *dim, unsigned n_div);
  74
  75 int isl_dim_equal(struct isl_dim *dim1, struct isl_dim *dim2);
  76 int isl_dim_match(struct isl_dim *dim1, enum isl_dim_type dim1_type,
  77                 struct isl_dim *dim2, enum isl_dim_type dim2_type);
  78 int isl_dim_compatible(struct isl_dim *dim1, struct isl_dim *dim2);
  79 unsigned isl_dim_size(__isl_keep isl_dim *dim, enum isl_dim_type type);
  80 unsigned isl_dim_total(struct isl_dim *dim);
  81
  82 #if defined(__cplusplus)
  83 }
  84 #endif
  85
  86 #endif