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+ added longword type definition

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carl 2002-09-07 20:26:42 +00:00
parent 0b561daa54
commit 136181415c
1 changed files with 27 additions and 20 deletions
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docs/ref.tex
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@ -549,6 +549,7 @@ Integer \\
Shortint \\
SmallInt \\
Longint \\
Longword \\
Int64 \\
Byte \\
Word \\
@ -566,36 +567,42 @@ Type & Range & Size in bytes \\ \hline
Byte & 0 .. 255 & 1 \\
Shortint & -128 .. 127 & 1\\
Smallint & -32768 .. 32767 & 2\\
Integer & either smallint, longint or int64 & size 2,4 or 8 \\
Word & 0 .. 65535 & 2 \\
Integer & either smallint, longint or int64 & size 2,4 or 8 \\
Cardinal & either word, longword or qword & size 2,4 or 8 \\
Longint & -2147483648 .. 2147483647 & 4\\
Cardinal & 0..4294967295 & 4 \\
Longword & 0..4294967295 & 4 \\
Int64 & -9223372036854775808 .. 9223372036854775807 & 8 \\
QWord & 0 .. 18446744073709551615 & 8 \\ \hline
\end{FPCltable}
The \var{integer} type maps to the smallint type in the default
\fpc mode. It maps to either a longint or int64 in either Delphi or ObjFPC
mode. This is summarized in \seet{integer32type} for 32-bit processors
(such as Intel 80x86, Motorola 680x0, PowerPC 32-bit, SPARC v7, MIPS32), and
in \seet{integer64type} for 64-bit processors (such as Alpha AXP,
SPARC v9 or later, Intel Itanium, MIPS64).
mode. The \var{cardinal} type is currently always mapped to the
longword type.
\begin{FPCltable}{lcr}{\var{Integer} type mapping for 32-bit processors}{integer32type}
Compiler mode & Range & Size in bytes \\ \hline
<default> & -32768 .. 32767 & 2\\
tp & -32768 .. 32767 & 2\\
Delphi & -2147483648 .. 2147483647 & 4\\
ObjFPC & -2147483648 .. 2147483647 & 4\\
\end{FPCltable}
% This IS NOT TRUE, this is a 32-bit compiler, so the integer type
% will always be the same independently the CPU type.
%This is summarized in \seet{integer32type} for 32-bit processors
%(such as Intel 80x86, Motorola 680x0, PowerPC 32-bit, SPARC v7, MIPS32), and
%in \seet{integer64type} for 64-bit processors (such as Alpha AXP,
%SPARC v9 or later, Intel Itanium, MIPS64).
\begin{FPCltable}{lcr}{\var{Integer} type mapping for 64-bit processors}{integer64type}
Compiler mode & Range & Size in bytes \\ \hline
<default> & -32768 .. 32767 & 2\\
tp & -32768 .. 32767 & 2\\
Delphi & -9223372036854775808 .. 9223372036854775807 & 8 \\
ObjFPC & -9223372036854775808 .. 9223372036854775807 & 8 \\
\end{FPCltable}
%\begin{FPCltable}{lcr}{\var{Integer} type mapping for 32-bit processors}{integer32type}
%Compiler mode & Range & Size in bytes \\ \hline
%<default> & -32768 .. 32767 & 2\\
%tp & -32768 .. 32767 & 2\\
%Delphi & -2147483648 .. 2147483647 & 4\\
%ObjFPC & -2147483648 .. 2147483647 & 4\\
%\end{FPCltable}
%\begin{FPCltable}{lcr}{\var{Integer} type mapping for 64-bit processors}{integer64type}
%Compiler mode & Range & Size in bytes \\ \hline
%<default> & -32768 .. 32767 & 2\\
%tp & -32768 .. 32767 & 2\\
%Delphi & -9223372036854775808 .. 9223372036854775807 & 8 \\
%ObjFPC & -9223372036854775808 .. 9223372036854775807 & 8 \\
%\end{FPCltable}
\fpc does automatic type conversion in expressions where different kinds of
integer types are used.