X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b81872f2efe2948592096f155729ec4ba5640a2..c6b65b76a196e1aa2313f89f6fc609d497c388a0:/docs/latex/wx/longlong.tex diff --git a/docs/latex/wx/longlong.tex b/docs/latex/wx/longlong.tex index 7ead0bfeaf..ef736a0897 100644 --- a/docs/latex/wx/longlong.tex +++ b/docs/latex/wx/longlong.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: longlong.tex +%% Purpose: wxLongLong documentation +%% Author: Vadim Zeitlin +%% Modified by: +%% Created: 07.03.00 +%% RCS-ID: $Id$ +%% Copyright: (c) Vadim Zeitlin +%% License: wxWidgets license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxLongLong}}\label{wxlonglong} This class represents a signed 64 bit long number. It is implemented using the @@ -7,10 +18,154 @@ the other cases which ensures that it is the most efficient solution for working with 64 bit integers independently of the architecture. wxLongLong defines all usual arithmetic operations such as addition, -substraction, bitwise shifts and logical operations as well as multiplication +subtraction, bitwise shifts and logical operations as well as multiplication and division (not yet for the machines without native {\it long long}). It also has operators for implicit construction from and conversion to the native {\it long long} type if it exists and {\it long}. You would usually use this type in exactly the same manner as any other -(built-in) arithmetic type. +(built-in) arithmetic type. Note that wxLongLong is a signed type, if you +want unsigned values use wxULongLong which has exactly the same API as +wxLongLong except when explicitly mentioned otherwise. + +If a native (i.e. supported directly by the compiler) 64 bit integer type was +found to exist, {\it wxLongLong\_t} macro will be defined to correspond to it. +Also, in this case only, two additional macros will be defined: +\helpref{wxLongLongFmtSpec}{wxlonglongfmtspec} for printing 64 bit integers +using the standard {\tt printf()} function (but see also +\helpref{ToString()}{wxlonglongtostring} for a more portable solution) and +\helpref{wxLL}{wxll} for defining 64 bit integer compile-time constants. + +\wxheading{Derived from} + +No base class + +\wxheading{Include files} + + + +\latexignore{\rtfignore{\wxheading{Members}}} + +\membersection{wxLongLong::wxLongLong}\label{wxlonglongwxlonglongdef} + +\func{}{wxLongLong}{\void} + +Default constructor initializes the object to 0. + +\membersection{wxLongLong::wxLongLong}\label{wxlonglongwxlonglongll} + +\func{}{wxLongLong}{\param{wxLongLong\_t }{ll}} + +Constructor from native long long (only for compilers supporting it). + +\membersection{wxLongLong::wxLongLong}\label{wxlonglongwxlonglong} + +\func{}{wxLongLong}{\param{long }{hi}, \param{unsigned long }{lo}} + +Constructor from 2 longs: the high and low part are combined into one +wxLongLong. + +\membersection{wxLongLong::operator=}\label{wxlonglongoperatorassign} + +\func{wxLongLong\& operator}{operator=}{\param{wxLongLong\_t }{ll}} + +Assignment operator from native long long (only for compilers supporting it). + +\membersection{wxLongLong::Abs}\label{wxlonglongabs} + +\constfunc{wxLongLong}{Abs}{\void} + +\func{wxLongLong\&}{Abs}{\void} + +Returns an absolute value of wxLongLong - either making a copy (const version) +or modifying it in place (the second one). Not in wxULongLong. + +\membersection{wxLongLong::Assign}\label{wxlonglongassign} + +\func{wxLongLong\&}{Assign}{\param{double }{d}} + +This allows to convert a double value to wxLongLong type. Such conversion is +not always possible in which case the result will be silently truncated in a +platform-dependent way. Not in wxULongLong. + +\membersection{wxLongLong::GetHi}\label{wxlonglonggethi} + +\constfunc{long}{GetHi}{\void} + +Returns the high 32 bits of 64 bit integer. + +\membersection{wxLongLong::GetLo}\label{wxlonglonggetlo} + +\constfunc{unsigned long}{GetLo}{\void} + +Returns the low 32 bits of 64 bit integer. + +\membersection{wxLongLong::GetValue}\label{wxlonglonggetvalue} + +\constfunc{wxLongLong\_t}{GetValue}{\void} + +Convert to native long long (only for compilers supporting it) + +\membersection{wxLongLong::ToLong}\label{wxlonglongtolong} + +\constfunc{long}{ToLong}{\void} + +Truncate wxLongLong to long. If the conversion loses data (i.e. the wxLongLong +value is outside the range of built-in long type), an assert will be triggered +in debug mode. + +\membersection{wxLongLong::ToString}\label{wxlonglongtostring} + +\constfunc{wxString}{ToString}{\void} + +Returns the string representation of a wxLongLong. + +\membersection{wxLongLong::operator$+$}\label{wxlonglongoperatorplus} + +\constfunc{wxLongLong}{operator$+$}{\param{const wxLongLong\& }{ll}} + +Adds 2 wxLongLongs together and returns the result. + +\membersection{wxLongLong::operator$+=$}\label{wxlonglongoperatorplusassign} + +\func{wxLongLong\&}{operator+}{\param{const wxLongLong\& }{ll}} + +Add another wxLongLong to this one. + +\membersection{wxLongLong::operator$++$}\label{wxlonglongoperatorinc} + +\func{wxLongLong\&}{operator$++$}{\void} + +\func{wxLongLong\&}{operator$++$}{\param{int}{}} + +Pre/post increment operator. + +\membersection{wxLongLong::operator$-$}\label{wxlonglongoperatorunaryminus} + +\constfunc{wxLongLong}{operator$-$}{\void} + +Returns the value of this wxLongLong with opposite sign. Not in wxULongLong. + +\membersection{wxLongLong::operator$-$}\label{wxlonglongoperatorminus} + +\constfunc{wxLongLong}{operator$-$}{\param{const wxLongLong\& }{ll}} + +Subtracts 2 wxLongLongs and returns the result. + +\membersection{wxLongLong::operator$-=$}\label{wxlonglongoperatorminusassign} + +\func{wxLongLong\&}{operator-}{\param{const wxLongLong\& }{ll}} + +Subtracts another wxLongLong from this one. + +\membersection{wxLongLong::operator$--$}\label{wxlonglongoperatordec} + +\func{wxLongLong\&}{operator$--$}{\void} + +\func{wxLongLong\&}{operator$--$}{\param{int}{}} + +Pre/post decrement operator. + +% TODO document all other arithmetics operations: shifts, multiplication, +% division, bitwise, comparison +