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RAD Studio (Common)
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Real48 compatibility (Delphi)
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RAD Studio (Common)
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Type |
Switch |
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Syntax |
{$REALCOMPATIBILITY ON} or {$REALCOMPATIBILITY OFF} |
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Default |
{$REALCOMPATIBILITY OFF} |
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Scope |
Local |
Remarks
In the default {$REALCOMPATIBILITY OFF} state, the generic Real type is equivalent to Double.
In the {$REALCOMPATIBILITY ON} state, Real is equivalent to Real48.
The REALCOMPATIBILITY switch provides backward compatibility for legacy code in which Real is used to represent the 6-byte real type now called Real48. In new code, use Real48 when you want to specify a 6-byte real. Note however, that the Real48 type is deprecated on Delphi for .NET.
Double is the preferred real type for most purposes.
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