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kc3-lang/kc3/libc3/integer.h

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  • libc3/integer.h 
  • /* c3
 * Copyright 2022,2023 kmx.io <contact@kmx.io>
 *
 * Permission is hereby granted to use this software granted the above
 * copyright notice and this permission paragraph are included in all
 * copies and substantial portions of this software.
 *
 * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
 * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
 * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
 * THIS SOFTWARE.
 */
/**' ,
 * @file integer.h
 * @brief Integer manipulation functions.
 *
 * Structure to manipulate byte strings.
 */
#ifndef LIBC3_INTEGER_H
#define LIBC3_INTEGER_H

#include <stdarg.h>
#include <stdio.h>
#include "types.h"

#define MP_IS_ZERO(a) ((a)->used == 0)

/* Stack allocation compatible functions */
s_integer * integer_init (s_integer *i);
s_integer * integer_init_1 (s_integer *i, const s8 *p);
s_integer * integer_init_copy (s_integer *a, const s_integer *x);
s_integer * integer_init_f32 (s_integer *a, f32 x);
s_integer * integer_init_f64 (s_integer *a, f64 x);
s_integer * integer_init_s8 (s_integer *a, s8 x);
s_integer * integer_init_s16 (s_integer *a, s16 x);
s_integer * integer_init_s32 (s_integer *a, s32 x);
s_integer * integer_init_s64 (s_integer *a, s64 x);
s_integer * integer_init_sw (s_integer *a, sw x);
s_integer * integer_init_u8 (s_integer *a, u8 x);
s_integer * integer_init_u16 (s_integer *a, u16 x);
s_integer * integer_init_u32 (s_integer *a, u32 x);
s_integer * integer_init_u64 (s_integer *a, u64 x);
s_integer * integer_init_uw (s_integer *a, uw x);
s_integer * integer_init_zero (s_integer *i);
void        integer_clean (s_integer *i);

/* Setters */
s_integer * integer_set_double (s_integer *a, double x);
s_integer * integer_set_s32 (s_integer *a, s32 x);
s_integer * integer_set_s64 (s_integer *a, s64 x);
s_integer * integer_set_sw (s_integer *a, sw x);
s_integer * integer_set_u32 (s_integer *a, u32 x);
s_integer * integer_set_u64 (s_integer *a, u64 x);
s_integer * integer_set_uw (s_integer *a, uw x);

/* Modifiers */
s_integer * integer_abs (const s_integer *a, s_integer *dest);
s_integer * integer_add (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_band (const s_integer *a, const s_integer *b,
                          s_integer *dest);
s_integer * integer_bnot (const s_integer *a, s_integer *dest);
s_integer * integer_bor (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_bxor (const s_integer *a, const s_integer *b,
                          s_integer *dest);
s_integer * integer_cast (const s_tag *tag, s_integer *dest);
s_integer * integer_copy (const s_integer *a, s_integer *dest);
s_integer * integer_div (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_gcd (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_lcm (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_lshift (const s_integer *a, sw b, s_integer *dest);
s_integer * integer_mod (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_mul (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_neg (const s_integer *a, s_integer *dest);
s_integer * integer_pow (const s_integer *a, const s_integer *b,
                         s_integer *dest);
s_integer * integer_sqrt (const s_integer *a, s_integer *dest);
s_integer * integer_sub (const s_integer *a, const s_integer *b,
                         s_integer *dest);

/* Constructors, call integer_delete after use. */
s_integer * integer_new (void);
s_integer * integer_new_copy (const s_integer *a);

/* Observers */
uw   integer_bits (const s_integer *i);
uw   integer_bytes (const s_integer *i);
bool integer_is_negative (const s_integer *i);
bool integer_is_zero (const s_integer *i);
f32  integer_to_f32 (const s_integer *i);
f64  integer_to_f64 (const s_integer *i);
s8   integer_to_s8 (const s_integer *i);
s16  integer_to_s16 (const s_integer *i);
s32  integer_to_s32 (const s_integer *i);
s64  integer_to_s64 (const s_integer *i);
sw   integer_to_sw (const s_integer *i);
u8   integer_to_u8 (const s_integer *i);
u16  integer_to_u16 (const s_integer *i);
u32  integer_to_u32 (const s_integer *i);
u64  integer_to_u64 (const s_integer *i);
uw   integer_to_uw (const s_integer *i);

#endif /* LIBC3_INTEGER_H */