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  1. Home
  2. Support (Russian)
  3. Ошибка при преобразовании значения.

Ошибка при преобразовании значения.

Scheduled Pinned Locked Moved Support (Russian)
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  • V
    V
    vitabios
    wrote on last edited by
    #1

    Почему то при умножении значения на 8 - я получаю отрицательное число. Выход из положения нашел в данной ситуации, но все равно не понятно почему так происходит


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    0
    • V
      V
      Victor Kirhenshtein
      wrote on last edited by
      #2

      Скорее всего переполнение 32 бит целого. Попробуйте использовать int64($1).

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      • V
        V
        vitabios
        wrote on last edited by
        #3

        сделал тип целое (64 бит).

        Преобразование данных

        $1 = 1440987079;
        return $1*8;
        

        Возвращает значение  -1357005256

        Причем что интересно, такое происходит только с некоторыми значениями. Например

        $1 = 1234567890;
        return $1*8;
        

        возвращает нормальное значение  1286608528

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        • V
          V
          Victor Kirhenshtein
          wrote on last edited by
          #4

          Я имел ввиду в скрипте написать int64($1) - это преобразование типов:

          return int64($1)*8;
          
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          • V
            V
            vitabios
            wrote on last edited by
            #5

            Спасибо. Все получилось

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