isl_mat.h

   1 #ifndef ISL_MAT_H
   2 #define ISL_MAT_H
   3
   4 #include <stdio.h>
   5
   6 #include <isl_int.h>
   7 #include <isl_ctx.h>
   8 #include <isl_blk.h>
   9 #include <isl_set.h>
  10 #include "isl_vec.h"
  11
  12 #if defined(__cplusplus)
  13 extern "C" {
  14 #endif
  15
  16 struct isl_mat {
  17         int ref;
  18
  19         struct isl_ctx *ctx;
  20
  21 #define ISL_MAT_BORROWED                (1 << 0)
  22         unsigned flags;
  23
  24         unsigned n_row;
  25         unsigned n_col;
  26
  27         isl_int **row;
  28
  29         /* actual size of the rows in memory; n_col <= max_col */
  30         unsigned max_col;
  31
  32         struct isl_blk block;
  33 };
  34
  35 struct isl_mat *isl_mat_alloc(struct isl_ctx *ctx,
  36         unsigned n_row, unsigned n_col);
  37 struct isl_mat *isl_mat_dup(struct isl_mat *mat);
  38 struct isl_mat *isl_mat_extend(struct isl_mat *mat,
  39         unsigned n_row, unsigned n_col);
  40 struct isl_mat *isl_mat_identity(struct isl_ctx *ctx, unsigned n_row);
  41 struct isl_mat *isl_mat_copy(struct isl_mat *mat);
  42 struct isl_mat *isl_mat_cow(struct isl_mat *mat);
  43 void isl_mat_free(struct isl_mat *mat);
  44
  45 struct isl_mat *isl_mat_sub_alloc(struct isl_ctx *ctx, isl_int **row,
  46         unsigned first_row, unsigned n_row, unsigned first_col, unsigned n_col);
  47 void isl_mat_sub_copy(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
  48         unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
  49 void isl_mat_sub_neg(struct isl_ctx *ctx, isl_int **dst, isl_int **src,
  50         unsigned n_row, unsigned dst_col, unsigned src_col, unsigned n_col);
  51
  52 struct isl_mat *isl_mat_swap_cols(struct isl_mat *mat, unsigned i, unsigned j);
  53 struct isl_mat *isl_mat_swap_rows(struct isl_mat *mat, unsigned i, unsigned j);
  54
  55 struct isl_vec *isl_mat_vec_product(struct isl_mat *mat, struct isl_vec *vec);
  56 struct isl_vec *isl_vec_mat_product(struct isl_vec *vec, struct isl_mat *mat);
  57 struct isl_mat *isl_mat_aff_direct_sum(struct isl_mat *left,
  58                                         struct isl_mat *right);
  59 struct isl_mat *isl_mat_left_hermite(struct isl_mat *M,
  60         int neg, struct isl_mat **U, struct isl_mat **Q);
  61 struct isl_mat *isl_mat_lin_to_aff(struct isl_mat *mat);
  62 struct isl_mat *isl_mat_inverse_product(struct isl_mat *left,
  63         struct isl_mat *right);
  64 struct isl_mat *isl_mat_product(struct isl_mat *left, struct isl_mat *right);
  65 struct isl_mat *isl_mat_transpose(struct isl_mat *mat);
  66 struct isl_mat *isl_mat_right_inverse(struct isl_mat *mat);
  67 struct isl_mat *isl_mat_right_kernel(struct isl_mat *mat);
  68
  69 struct isl_mat *isl_mat_drop_cols(struct isl_mat *mat,
  70                                 unsigned col, unsigned n);
  71 struct isl_mat *isl_mat_drop_rows(struct isl_mat *mat,
  72                                 unsigned row, unsigned n);
  73
  74 void isl_mat_col_mul(struct isl_mat *mat, int dst_col, isl_int f, int src_col);
  75 void isl_mat_col_submul(struct isl_mat *mat,
  76                         int dst_col, isl_int f, int src_col);
  77
  78 struct isl_basic_set *isl_basic_set_preimage(struct isl_basic_set *bset,
  79         struct isl_mat *mat);
  80 struct isl_set *isl_set_preimage(struct isl_set *set, struct isl_mat *mat);
  81
  82 struct isl_mat *isl_mat_unimodular_complete(struct isl_mat *M, int row);
  83
  84 void isl_mat_dump(struct isl_mat *mat, FILE *out, int indent);
  85
  86 #if defined(__cplusplus)
  87 }
  88 #endif
  89
  90 #endif