include/xbt/matrix.h

   1 /* $Id$ */
   2
   3 /* xbt_matrix_t management functions                                        */
   4
   5 /* Copyright (c) 2006 Martin Quinson. All rights reserved.                  */
   6
   7 /* This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the license (GNU LGPL) which comes with this package. */
   9
  10 #ifndef XBT_MATRIX_H
  11 #define XBT_MATRIX_H
  12
  13 #include "xbt/misc.h"
  14 #include "xbt/function_types.h"
  15
  16 SG_BEGIN_DECL()
  17
  18 typedef struct {
  19   unsigned int lines, rows;
  20   unsigned long elmsize;
  21
  22   char *data;
  23   void_f_pvoid_t *free_f;
  24 } s_xbt_matrix_t, *xbt_matrix_t;
  25
  26
  27   /** @brief Retrieve the address of a cell (not its content)
  28    *  @hideinitializer */
  29 #define xbt_matrix_get_ptr(mat,l,c) \
  30   ((void*)&(mat)->data[(c)*(mat)->lines*(mat)->elmsize + (l)*(mat)->elmsize])
  31
  32   /** @brief Quick retrieval of scalar content
  33    *  @hideinitializer */
  34 #define xbt_matrix_get_as(mat,l,c,type) *(type*)xbt_matrix_get_ptr(mat,l,c)
  35
  36 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_new(int lines, int rows,
  37                             const unsigned long elmsize,
  38                             void_f_pvoid_t * const free_f);
  39 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_new_sub(xbt_matrix_t from,
  40                                 int lsize, int rsize,
  41                                 int lpos, int rpos,
  42                                 pvoid_f_pvoid_t *const cpy_f);
  43
  44 XBT_PUBLIC(void) xbt_matrix_free(xbt_matrix_t matrix);
  45 XBT_PUBLIC(void) xbt_matrix_free_voidp(void *d);
  46
  47 XBT_PUBLIC(void) xbt_matrix_copy_values(xbt_matrix_t dest, xbt_matrix_t src,
  48                             int lsize, int rsize,
  49                             int lpos_dst,int rpos_dst,
  50                             int lpos_src,int rpos_src,
  51                             pvoid_f_pvoid_t *const cpy_f);
  52
  53 XBT_PUBLIC(void) xbt_matrix_dump(xbt_matrix_t matrix, const char *name, int coords,
  54                      void_f_pvoid_t display_fun);
  55 XBT_PUBLIC(void) xbt_matrix_dump_display_double(void*d);
  56
  57
  58 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_double_new_zeros(int lines, int rows);
  59 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_double_new_id(int lines, int rows);
  60 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_double_new_rand(int lines, int rows);
  61 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_double_new_seq(int lines, int rows);
  62 XBT_PUBLIC(xbt_matrix_t) xbt_matrix_double_new_mult(xbt_matrix_t A,xbt_matrix_t B);
  63 XBT_PUBLIC(void) xbt_matrix_double_addmult(xbt_matrix_t A,xbt_matrix_t B,
  64                        /*OUT*/ xbt_matrix_t C);
  65 SG_END_DECL()
  66
  67
  68 #endif /* XBT_MATRIX_H */