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Implemented Karatsuba's algorithm and fixed many critical bugs

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Marco Cetica
2025-11-12 12:17:06 +01:00
parent 87cae7d2be
commit 2d10a7076a
2 changed files with 493 additions and 114 deletions
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592
src/bignum.c
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15
src/bignum.h
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@@ -14,11 +14,11 @@
typedef enum { false = 0x0, true } bool;
typedef enum {
BIGNUM_OK = 0x0,
BIGNUM_ERR_ALLOCATE,
BIGNUM_ERR_DIV_BY_ZERO,
BIGNUM_ERR_INVALID
} bignum_status_t;
BIGINT_OK = 0x0,
BIGINT_ERR_ALLOCATE,
BIGINT_ERR_DIV_BY_ZERO,
BIGINT_ERR_INVALID
} bigint_status_t;
typedef struct {
vector_t *digits;
@@ -26,11 +26,11 @@ typedef struct {
} bigint_t;
typedef struct {
bignum_status_t status;
bigint_status_t status;
uint8_t message[RESULT_MSG_SIZE];
union {
bigint_t *number;
uint8_t compare_status;
int8_t compare_status;
char *string_num;
} value;
} bigint_result_t;
@@ -45,6 +45,7 @@ bigint_result_t bigint_clone(const bigint_t *number);
bigint_result_t bigint_compare(const bigint_t *x, const bigint_t *y);
bigint_result_t bigint_add(const bigint_t *x, const bigint_t *y);
bigint_result_t bigint_sub(const bigint_t *x, const bigint_t *y);
bigint_result_t bigint_prod(const bigint_t *x, const bigint_t *y);
bigint_result_t bigint_destroy(bigint_t *number);
#ifdef __cplusplus