src/st-large-integer.h

   1 /*
   2  * st-large-integer.h
   3  *
   4  * Copyright (C) 2008 Vincent Geddes
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23 */
  24
  25 #ifndef __ST_LARGE_INTEGER__
  26 #define __ST_LARGE_INTEGER__
  27
  28 #include <tommath.h>
  29 #include <st-object.h>
  30 #include <st-types.h>
  31
  32 #define ST_LARGE_INTEGER(oop) ((struct st_large_integer *) st_detag_pointer (oop))
  33
  34 struct st_large_integer
  35 {
  36     struct st_header __parent__;
  37
  38     mp_int value;
  39 };
  40
  41 st_oop  st_large_integer_new             (mp_int * value);
  42
  43 st_oop  st_large_integer_new_from_smi    (int integer);
  44
  45 st_oop  st_large_integer_new_from_string (const char *string, st_uint radix);
  46
  47 char   *st_large_integer_to_string       (st_oop integer, st_uint radix);
  48
  49 st_oop  st_large_integer_allocate        (st_oop class, mp_int *value);
  50
  51 /* inline definitions */
  52
  53 static inline mp_int *
  54 st_large_integer_value (st_oop integer)
  55 {
  56     return & ST_LARGE_INTEGER (integer)->value;
  57 }
  58
  59 #endif /* __ST_LARGE_INTEGER */