Math.Sign Function

Indicates whether a numeric value is positive, negative, or zero.

Pascal

function Sign(const AValue: Integer): TValueSign; overload;
function Sign(const AValue: Int64): TValueSign; overload;
function Sign(const AValue: Double): TValueSign; overload;

C++

TValueSign Sign(const int AValue);
TValueSign Sign(const Int64 AValue);
TValueSign Sign(const Double AValue);

File

Math

Description

Use Sign to test the sign of a numeric value. Sign returns

0 if AValue is zero.

1 if AValue is greater than zero.

-1 if AValue is less than zero.