kc3-lang/kc3/libkc3/cast.c

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• Hash : 1163eac3
  Author : Thomas de Grivel
  Date : 2024-08-04T12:03:47
  

  cast_needed

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• libkc3/cast.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 "cast.h"
  
  bool cast_needed_s8 (s8 i)
  {
    return i >= 0;
  }
  
  bool cast_needed_s16 (s16 i)
  {
    return i >= S8_MIN;
  }
  
  bool cast_needed_s32 (s32 i)
  {
    return i >= S16_MIN;
  }
  
  bool cast_needed_s64 (s64 i)
  {
    return i >= S32_MIN;
  }
  
  bool cast_needed_sw (sw i)
  {
    (void) i;
    return true;
  }
  
  bool cast_needed_u8 (u8 i)
  {
    (void) i;
    return false;
  }
  
  bool cast_needed_u16 (u16 i)
  {
    return i <= U8_MAX;
  }
  
  bool cast_needed_u32 (u32 i)
  {
    return i <= U16_MAX;
  }
  
  bool cast_needed_u64 (u64 i)
  {
    return i <= U32_MAX;
  }
  
  bool cast_needed_uw (uw i)
  {
    (void) i;
    return true;
  }
  

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