blob: 166611198ce64460265bd4f17a5c04d4b4eea936 [file] [log] [blame]
/*
* *****************************************************************************
*
* Copyright 2018 Gavin D. Howard
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* *****************************************************************************
*
* Definitions for the num type.
*
*/
#ifndef BC_NUM_H
#define BC_NUM_H
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <bc.h>
typedef struct BcNum {
char *num;
size_t rdx;
size_t len;
size_t cap;
bool neg;
} BcNum;
#define BC_NUM_MIN_BASE (2)
#define BC_NUM_MAX_INPUT_BASE (16)
#define BC_NUM_MAX_OUTPUT_BASE (99)
#define BC_NUM_DEF_SIZE (16)
#define BC_NUM_FROM_CHAR(c) ((c) -'0')
#define BC_NUM_TO_CHAR(n) ((n) + '0')
#define BC_NUM_PRINT_WIDTH (68)
#define BC_NUM_ZERO(n) (!(n)->len)
#define BC_NUM_ONE(n) ((n)->len == 1 && (n)->rdx == 0 && (n)->num[0] == 1)
#define BC_NUM_POS_ONE(n) (BC_NUM_ONE(n) && !(n)->neg)
#define BC_NUM_NEG_ONE(n) (BC_NUM_ONE(n) && (n)->neg)
typedef BcStatus (*BcNumUnaryFunc)(BcNum*, BcNum*, size_t);
typedef BcStatus (*BcNumBinaryFunc)(BcNum*, BcNum*, BcNum*, size_t);
typedef BcStatus (*BcNumDigitFunc)(unsigned long, size_t, size_t*, FILE*);
BcStatus bc_num_init(BcNum *n, size_t request);
BcStatus bc_num_expand(BcNum *n, size_t request);
void bc_num_free(void *num);
BcStatus bc_num_copy(void *dest, void *src);
BcStatus bc_num_parse(BcNum *n, const char *val, BcNum *base, size_t base_t);
BcStatus bc_num_print(BcNum *n, BcNum *base, size_t base_t, bool newline);
BcStatus bc_num_fprint(BcNum *n, BcNum *base, size_t base_t,
bool newline, FILE *f);
BcStatus bc_num_long(BcNum *n, long *result);
BcStatus bc_num_ulong(BcNum *n, unsigned long *result);
BcStatus bc_num_long2num(BcNum *n, long val);
BcStatus bc_num_ulong2num(BcNum *n, unsigned long val);
BcStatus bc_num_truncate(BcNum *n);
BcStatus bc_num_add(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_sub(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_mul(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_div(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_mod(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_pow(BcNum *a, BcNum *b, BcNum *result, size_t scale);
BcStatus bc_num_sqrt(BcNum *a, BcNum *result, size_t scale);
int bc_num_compare(BcNum *a, BcNum *b);
void bc_num_zero(BcNum *n);
void bc_num_one(BcNum *n);
void bc_num_ten(BcNum *n);
#endif // BC_NUM_H