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* Make clongdouble:

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- 8 bytes on windows
    - For other platforms: 12 bytes on 32-bit and 16 bytes on 64-bit cpus.
    ... using a record with assignment overloads.

git-svn-id: trunk@8112 -
This commit is contained in:
daniel 2007-07-21 13:02:11 +00:00
parent 4c81c227fa
commit 2fbe0038b9
1 changed files with 34 additions and 1 deletions
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35
rtl/inc/ctypes.pp
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@ -72,7 +72,21 @@ type
cfloat = single; pcfloat = ^cfloat;
cdouble = double; pcdouble = ^cdouble;
clongdouble = extended; pclongdouble = ^clongdouble;
{$ifdef windows}
clongdouble=double;
{$else}
{$define longdouble_assignment_overload}
clongdouble = packed record
value:extended;
{$ifdef cpu64}
padding:array[0..5] of byte;
{$else}
padding:array[0..1] of byte;
{$endif}
end;
{$endif}
Pclongdouble=^clongdouble;
// Kylix compat types
u_long = culong;
@ -80,6 +94,25 @@ type
{$endif}
{$ifdef longdouble_assignment_overload}
operator := (const v:clongdouble):r:extended;
operator := (const v:extended):r:clongdouble;
{$endif}
implementation
{$ifdef longdouble_assignment_overload}
operator := (const v:clongdouble):r:extended;inline;
begin
r:=v.value;
end;
operator := (const v:extended):r:clongdouble;inline;
begin
r.value:=v;
end;
{$endif}
end.