Sign Method

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Returns a value indicating the sign of a double-precision floating-point number.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public static int Sign(
	double value
)

Parameters

value
Type: System..::..Double
A signed number.

Return Value

Type: System..::..Int32
A number that indicates the sign of value, as shown in the following table.

Return value

Meaning

-1

value is less than zero.

0

value is equal to zero.

1

value is greater than zero.

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