From 9768ee6b2f60442676613c154ad784b30191711c Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Wed, 9 Feb 2011 21:10:34 -0500 Subject: Fixed docs bug where we say "long" when we mean "long long" --- source/lang/cpp/long.rst | 52 ------------------------------------------------ 1 file changed, 52 deletions(-) delete mode 100644 source/lang/cpp/long.rst (limited to 'source/lang/cpp/long.rst') diff --git a/source/lang/cpp/long.rst b/source/lang/cpp/long.rst deleted file mode 100644 index d8498c0..0000000 --- a/source/lang/cpp/long.rst +++ /dev/null @@ -1,52 +0,0 @@ -.. highlight:: cpp - -.. _lang-long: - -``long`` -======== - -The ``long`` data type stores extended size integer values. You can -use a ``long`` when your values are too large to fit into an :ref:`int -`. A ``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`` 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`` it is subject to the same :ref:`overflow issues -` as any numeric data type. - -Here's an example of declaring a long (see :ref:`integer constants -` for an explanation of the "L" at the end of the -number):: - - // Speed of light in nanometers per second (approximate). - long c = 299792458000000000L; - -The general syntax for declaring an ``long`` variable named ``var``, -then giving it value ``val``, looks like:: - - long var = val; - -This is identical to the ``int`` syntax, with ``long`` replacing -``int``. - -Note that ``long`` values will still :ref:`overflow -`, just like ``int`` values, but their much -larger range makes this less likely to happen. - -The downside to using a ``long`` instead of an ``int`` (besides the -extra storage) is that :ref:`arithmetic ` operations -on ``long``\ s will take slightly longer than on ``int``\ s. - -See Also --------- - -- :ref:`char ` -- :ref:`unsigned char ` -- :ref:`int ` -- :ref:`unsigned int ` -- :ref:`unsigned long ` -- :ref:`Integer Constants ` -- :ref:`Variables ` - -.. include:: cc-attribution.txt -- cgit v1.2.3