typedef uint8_t bigint_word_t;
typedef uint16_t bigint_wordplus_t;
typedef int16_t bigint_wordplus_signed_t;
-typedef uint16_t bigint_ptr_int_t; /* this must be an integer of the size of a pointer for the target architecture */
#define BIGINT_WORD_SIZE 8
#define BIGINT_FBS_MASK (BIGINT_WORD_SIZE-1) /* the last five bits indicate which is the first bit set */
#define BIGINT_NEG_MASK 0x80 /* this bit indicates a negative value */
typedef struct{
- uint16_t length_B;
+ uint16_t length_W;
uint8_t info;
bigint_word_t *wordv; /* word vector, pointing to the LSB */
}bigint_t;
/******************************************************************************/
void bigint_adjust(bigint_t* a);
-uint32_t bigint_get_first_set_bit(bigint_t* a);
-uint32_t bigint_get_last_set_bit(bigint_t* a);
-uint16_t bigint_length_b(bigint_t* a);
-uint16_t bigint_length_B(bigint_t* a);
+uint32_t bigint_get_first_set_bit(const bigint_t* a);
+uint32_t bigint_get_last_set_bit(const bigint_t* a);
+uint16_t bigint_length_b(const bigint_t* a);
+uint16_t bigint_length_B(const bigint_t* a);
void bigint_copy(bigint_t* dest, const bigint_t* src);
void bigint_add_u(bigint_t* dest, const bigint_t* a, const bigint_t* b);
void bigint_add_scale_u(bigint_t* dest, const bigint_t* a, uint16_t scale);