goo/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-heap-object.h>
  30 #include <st-types.h>
  31
  32 typedef struct
  33 {
  34     STHeader header;
  35
  36     mp_int value;
  37
  38 } STLargeInteger;
  39
  40
  41 st_oop st_large_integer_new (mp_int * value);
  42
  43 st_oop st_large_integer_new_from_smi (st_smi integer);
  44
  45 st_oop st_large_integer_new_from_string (const char *string, guint radix);
  46
  47 char *st_large_integer_to_string (st_oop integer, guint radix);
  48
  49
  50 st_oop st_large_integer_add (st_oop a, st_oop b, bool *error);
  51
  52 st_oop st_large_integer_sub (st_oop a, st_oop b, bool *error);
  53
  54 st_oop st_large_integer_mul (st_oop a, st_oop b, bool *error);
  55
  56 st_oop st_large_integer_div (st_oop a, st_oop b, bool *error);
  57
  58 st_oop st_large_integer_mod (st_oop a, st_oop b, bool *error);
  59
  60 st_oop st_large_integer_gcd (st_oop a, st_oop b, bool *error);
  61
  62 st_oop st_large_integer_lcm (st_oop a, st_oop b, bool *error);
  63
  64 st_oop st_large_integer_bitor    (st_oop a, st_oop b, bool *error);
  65
  66 st_oop st_large_integer_bitand   (st_oop a, st_oop b, bool *error);
  67
  68 st_oop st_large_integer_bitxor   (st_oop a, st_oop b, bool *error);
  69
  70 st_oop st_large_integer_bitshift (st_oop a, int shift, bool *error);
  71
  72 st_oop st_large_integer_sqr (st_oop a, bool *error);
  73
  74 st_oop st_large_integer_neg (st_oop a, bool *error);
  75
  76 st_oop st_large_integer_abs (st_oop a, bool *error);
  77
  78 bool   st_large_integer_eq (st_oop a, st_oop b, bool *error);
  79
  80 bool   st_large_integer_lt (st_oop a, st_oop b, bool *error);
  81
  82 bool   st_large_integer_gt (st_oop a, st_oop b, bool *error);
  83
  84 bool   st_large_integer_le (st_oop a, st_oop b, bool *error);
  85
  86 bool   st_large_integer_ge (st_oop a, st_oop b, bool *error);
  87
  88 bool   st_large_integer_is_positive (st_oop a, bool *error);
  89
  90 bool   st_large_integer_is_prime    (st_oop a, bool *error);
  91
  92
  93 INLINE mp_int *st_large_integer_value (st_oop integer);
  94
  95 const STDescriptor *st_large_integer_descriptor (void);
  96
  97 /* inline definitions */
  98 #define ST_LARGE_INTEGER(oop) ((STLargeInteger *) ST_POINTER (oop))
  99
 100 INLINE mp_int *
 101 st_large_integer_value (st_oop integer)
 102 {
 103     return & ST_LARGE_INTEGER (integer)->value;
 104 }
 105
 106 #endif /* __ST_LARGE_INTEGER */