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diff --git a/docs/source/lang/cpp/longlong.rst b/docs/source/lang/cpp/longlong.rst deleted file mode 100644 index d942cb4..0000000 --- a/docs/source/lang/cpp/longlong.rst +++ /dev/null @@ -1,56 +0,0 @@ -.. highlight:: cpp - -.. _lang-longlong: - -``long long`` -============= - -The ``long long`` data type stores extended size integer values. You -can use a ``long long`` when your values are too large to fit into an -:ref:`int <lang-int>`. A ``long long`` occupies 8 bytes of memory. -This yields a range of approximately -9.2×10^18 to 9.2×10^18 (that's -9.2 billion billion, or about 92 million times the number of stars in -the Milky Way galaxy). The exact range of a ``long long`` on the -Maple is from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807, -or -2^63 to (2^63-1). A ``long long`` it is subject to the same -:ref:`overflow issues <lang-variables-rollover>` as any numeric data -type. - -A synonym for the ``long long`` type is ``int64``. - -Here's an example of declaring a long long (see :ref:`integer -constants <lang-constants-integers-u-l>` for an explanation of the -"LL" at the end of the number):: - - // Speed of light in nanometers per second (approximate). - long long c = 299792458000000000LL; - -The general syntax for declaring an ``long long`` variable named ``var``, -then giving it value ``val``, looks like:: - - long long var = val; - -This is identical to the ``int`` syntax, with ``long long`` (or, at -your option, ``int64``) replacing ``int``. - -Note that ``long long`` values will still :ref:`overflow -<lang-int-overflow>`, just like ``int`` values, but their much larger -range makes this less likely to happen. - -The downside to using a ``long long`` instead of an ``int`` (besides -the extra storage) is that :ref:`arithmetic <lang-arithmetic>` -operations on ``long long``\ s will take slightly longer than on -``int``\ s. - -See Also --------- - -- :ref:`char <lang-char>` -- :ref:`unsigned char <lang-unsignedchar>` -- :ref:`int <lang-int>` -- :ref:`unsigned int <lang-unsignedint>` -- :ref:`unsigned long long <lang-unsignedlonglong>` -- :ref:`Integer Constants <lang-constants-integers>` -- :ref:`Variables <lang-variables>` - -.. include:: /arduino-cc-attribution.txt |