kc3-lang/kc3/libc3/u32.c

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• Hash : fd94253e
  Author : Thomas de Grivel
  Date : 2024-05-02T15:50:17
  

  fix data_init_cast

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• libc3/u32.c

• /* c3
   * Copyright 2022-2024 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=32 bits=32 */
  #include "assert.h"
  #include <math.h>
  #include <stdlib.h>
  #include "f128.h"
  #include "integer.h"
  #include "ratio.h"
  #include "sym.h"
  #include "tag.h"
  #include "u32.h"
  
  u32 * u32_init_cast
  (u32 *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 = (u32) tag->data.character;
      return u;
    case TAG_F32:
      *u = (u32) tag->data.f32;
      return u;
    case TAG_F64:
      *u = (u32) tag->data.f64;
      return u;
    case TAG_INTEGER:
      *u = integer_to_u32(&tag->data.integer);
      return u;
    case TAG_RATIO:
      *u = ratio_to_u32(&tag->data.ratio);
      return u;
    case TAG_SW:
      *u = (u32) tag->data.sw;
      return u;
    case TAG_S64:
      *u = (u32) tag->data.s64;
      return u;
    case TAG_S32:
      *u = (u32) tag->data.s32;
      return u;
    case TAG_S16:
      *u = (u32) tag->data.s16;
      return u;
    case TAG_S8:
      *u = (u32) tag->data.s8;
      return u;
    case TAG_U8:
      *u = (u32) tag->data.u8;
      return u;
    case TAG_U16:
      *u = (u32) tag->data.u16;
      return u;
    case TAG_U32:
      *u = (u32) tag->data.u32;
      return u;
    case TAG_U64:
      *u = (u32) tag->data.u64;
      return u;
    case TAG_UW:
      *u = (u32) tag->data.uw;
      return u;
    default:
      break;
    }
    err_write_1("u32_cast: cannot cast ");
    err_write_1(tag_type_to_string(tag->type));
    if (*type == &g_sym_U32)
      err_puts(" to U32");
    else {
      err_write_1(" to ");
      err_inspect_sym(type);
      err_puts(" aka U32");
    }
    assert(! "u32_cast: cannot cast to U32");
    return NULL;
  }
  
  u32 * u32_init_copy (u32 *u, const u32 *src)
  {
    assert(src);
    assert(u);
    *u = *src;
    return u;
  }
  
  u32 * u32_random (u32 *u)
  {
    arc4random_buf(u, sizeof(u32));
    return u;
  }
  
  #if 32 == 64 || 32 == w
  
  u32 * u32_random_uniform (u32 *u, u32 max)
  {
    f128 x;
    f128_random(&x);
    x *= max;
    *u = (u32) x;
    return u;
  }
  
  #else
  
  u32 * u32_random_uniform (u32 *u, u32 max)
  {
    *u = arc4random_uniform(max);
    return u;
  }
  
  #endif
  
  s_tag * u32_sqrt (const u32 x, s_tag *dest)
  {
    assert(dest);
    dest->type = TAG_F128;
    dest->data.f128 = sqrtl((long double) x);
    return dest;
  }
  

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