| /* |
| * ***************************************************************************** |
| * |
| * 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> |
| |
| #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) |
| |
| typedef struct BcNum { |
| |
| char* num; |
| size_t rdx; |
| size_t len; |
| size_t cap; |
| bool neg; |
| |
| } BcNum; |
| |
| typedef BcStatus (*BcUnaryFunc)(BcNum* a, BcNum* res, size_t scale); |
| typedef BcStatus (*BcBinaryFunc)(BcNum* a, BcNum* b, BcNum* res, size_t scale); |
| |
| BcStatus bc_num_init(BcNum* n, size_t request); |
| |
| BcStatus bc_num_expand(BcNum* n, size_t request); |
| |
| void bc_num_free(BcNum* n); |
| |
| BcStatus bc_num_copy(BcNum* d, BcNum* s); |
| |
| BcStatus bc_num_parse(BcNum* n, const char* val, size_t base, size_t scale); |
| |
| BcStatus bc_num_print(BcNum* n, size_t base); |
| BcStatus bc_num_fprint(BcNum* n, size_t base, 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); |
| |
| #endif // BC_NUM_H |