kc3-lang/kc3/libkc3/tag_neg.c

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• Hash : 7e43ee41
  Author : Thomas de Grivel
  Date : 2024-08-05T18:20:53
  

  fix tag_neg for return tag_integer_reduce

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• libkc3/tag_neg.c

• /* 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.
   */
  #include "assert.h"
  #include "integer.h"
  #include "ratio.h"
  #include "tag.h"
  
  s_tag * tag_neg (const s_tag *tag, s_tag *dest)
  {
    s_integer tmp = {0};
    switch (tag->type) {
    case TAG_INTEGER:
      dest->type = TAG_INTEGER;
      integer_neg(&tag->data.integer, &dest->data.integer);
      return tag_integer_reduce(dest);
    case TAG_RATIO:
      dest->type = TAG_RATIO;
      ratio_neg(&tag->data.ratio, &dest->data.ratio);
      return dest;
    case TAG_SW:
      integer_init_sw(&tmp, tag->data.sw);
      dest->type = TAG_INTEGER;
      integer_neg(&tmp, &dest->data.integer);
      integer_clean(&tmp);
      return tag_integer_reduce(dest);
    case TAG_S64:
      integer_init_s64(&tmp, tag->data.s64);
      dest->type = TAG_INTEGER;
      integer_neg(&tmp, &dest->data.integer);
      integer_clean(&tmp);
      return tag_integer_reduce(dest);
    case TAG_S32:
      tag_init_s64(dest, - (s64) tag->data.s32);
      return tag_integer_reduce(dest);
    case TAG_S16:
      tag_init_s32(dest, - (s32) tag->data.s16);
      return tag_integer_reduce(dest);
    case TAG_S8:
      tag_init_s16(dest, - (s16) tag->data.s8);
      return tag_integer_reduce(dest);
    case TAG_U8:
      tag_init_s16(dest, - (s16) tag->data.u8);
      return tag_integer_reduce(dest);
    case TAG_U16:
      tag_init_s32(dest, - (s32) tag->data.u16);
      return tag_integer_reduce(dest);
    case TAG_U32:
      tag_init_s64(dest, - (s64) tag->data.u32);
      return tag_integer_reduce(dest);
    case TAG_U64:
      integer_init_u64(&tmp, tag->data.u64);
      dest->type = TAG_INTEGER;
      integer_neg(&tmp, &dest->data.integer);
      integer_clean(&tmp);
      return tag_integer_reduce(dest);
    case TAG_UW:
      integer_init_uw(&tmp, tag->data.uw);
      dest->type = TAG_INTEGER;
      integer_neg(&tmp, &dest->data.integer);
      integer_clean(&tmp);
      return tag_integer_reduce(dest);
    default:
      err_write_1("tag_neg: invalid tag type: ");
      err_puts(tag_type_to_string(tag->type));
    }
    return NULL;
  }
  

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