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Real48 compatibility (Delphi)

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Type

Switch

Syntax

{$REALCOMPATIBILITY ON} or {$REALCOMPATIBILITY OFF}

Default

{$REALCOMPATIBILITY OFF}

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 type.

Double is the preferred real type for most purposes.

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