/* kc3
* Copyright 2022,2023,2024 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.
*/
/* Gen from u.h.in BITS=64 bits=64 */
#include "assert.h"
#include "buf.h"
#include "buf_parse_u64.h"
#include <math.h>
#include <stdlib.h>
#include "f128.h"
#include "integer.h"
#include "ratio.h"
#include "sym.h"
#include "str.h"
#include "tag.h"
#include "u64.h"
u64 * u64_init_1 (u64 *u, const char *p)
{
s_str str;
str_init_1(&str, NULL, p);
return u64_init_str(u, &str);
}
u64 * u64_init_cast
(u64 *u, const s_sym * const *type, const s_tag *tag)
{
(void) type;
switch (tag->type) {
case TAG_BOOL:
*u = tag->data.bool ? 1 : 0;
return u;
case TAG_CHARACTER:
*u = (u64) tag->data.character;
return u;
case TAG_F32:
*u = (u64) tag->data.f32;
return u;
case TAG_F64:
*u = (u64) tag->data.f64;
return u;
case TAG_INTEGER:
*u = integer_to_u64(&tag->data.integer);
return u;
case TAG_RATIO:
*u = ratio_to_u64(&tag->data.ratio);
return u;
case TAG_SW:
*u = (u64) tag->data.sw;
return u;
case TAG_S64:
*u = (u64) tag->data.s64;
return u;
case TAG_S32:
*u = (u64) tag->data.s32;
return u;
case TAG_S16:
*u = (u64) tag->data.s16;
return u;
case TAG_S8:
*u = (u64) tag->data.s8;
return u;
case TAG_U8:
*u = (u64) tag->data.u8;
return u;
case TAG_U16:
*u = (u64) tag->data.u16;
return u;
case TAG_U32:
*u = (u64) tag->data.u32;
return u;
case TAG_U64:
*u = (u64) tag->data.u64;
return u;
case TAG_UW:
*u = (u64) tag->data.uw;
return u;
default:
break;
}
err_write_1("u64_cast: cannot cast ");
err_write_1(tag_type_to_string(tag->type));
if (*type == &g_sym_U64)
err_puts(" to U64");
else {
err_write_1(" to ");
err_inspect_sym(type);
err_puts(" aka U64");
}
assert(! "u64_cast: cannot cast to U64");
return NULL;
}
u64 * u64_init_copy (u64 *u, const u64 *src)
{
assert(src);
assert(u);
*u = *src;
return u;
}
u64 * u64_init_str (u64 *u, const s_str *str)
{
s_buf buf;
u64 tmp = 0;
buf_init(&buf, false, str->size, (char *) str->ptr.pchar);
buf.wpos = str->size;
if (buf_parse_u64(&buf, &tmp) <= 0) {
err_puts("u64_init_str: buf_parse_u64");
assert(! "u64_init_str: buf_parse_u64");
return NULL;
}
*u = tmp;
return u;
}
u64 * u64_random (u64 *u)
{
arc4random_buf(u, sizeof(u64));
return u;
}
#if 64 == 64 || 64 == w
u64 * u64_random_uniform (u64 *u, u64 max)
{
f128 x;
f128_random(&x);
x *= max;
*u = (u64) x;
return u;
}
#else
u64 * u64_random_uniform (u64 *u, u64 max)
{
*u = arc4random_uniform(max);
return u;
}
#endif
s_tag * u64_sqrt (const u64 x, s_tag *dest)
{
assert(dest);
dest->type = TAG_F128;
dest->data.f128 = sqrtl((long double) x);
return dest;
}
