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SIGN( ) Function

Visual FoxPro 9.0 SP2

SIGN( ) Function

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Returns a numeric value of 1, –1, or 0 if the specified numeric expression evaluates to a positive, negative, or 0 value.


SIGN(nExpression)

nExpression: Specifies the numeric expression SIGN( ) evaluates. SIGN( ) returns 1 if nExpression evaluates to a positive number, –1 if nExpression evaluates to a negative number, and 0 if nExpression evaluates to 0.

Return Value

Numeric

Example

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STORE 10 TO gnNum1 STORE -10 TO gnNum2 STORE 0 TO gnZero CLEAR ? SIGN(gnNum1) && Displays 1 ? SIGN(gnNum2) && Displays -1 ? SIGN(gnZero) && Displays 0