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Math.Sign() Method in C#
The Math.Sign() method in C# is used to return an integer that indicates the sign of a number.
Methods
The Math.Sign() overloads the following methods −
Math.Sign(Int16) Math.Sign(Int32) Math.Sign(Int64) Math.Sign(SByte) Math.Sign(Single) Math.Sign(Decimal) Math.Sign(Double)
Example
Let us now see an example to implement Math.Sign() method −
using System;
public class Demo {
public static void Main(){
short val1 = 1;
int val2 = 20;
long val3 = -3545465777;
Console.WriteLine("Short Value = " + val1);
Console.WriteLine("Sign (Short Value) = " + getSign(Math.Sign(val1)));
Console.WriteLine("Int32 value = " + val2);
Console.WriteLine("Sign (Short Value) = " + getSign(Math.Sign(val2)));
Console.WriteLine("Long value = " + val3);
Console.WriteLine("Sign (Long Value) = " + getSign(Math.Sign(val3)));
}
public static String getSign(int compare){
if (compare == 0)
return "Equal to zero!";
else if (compare < 0)
return "Less than zero!";
else
return "Greater than zero!";
}
}Output
This will produce the following output −
Short Value = 1 Sign (Short Value) = Greater than zero! Int32 value = 20 Sign (Short Value) = Greater than zero! Long value = -3545465777 Sign (Long Value) = Less than zero!
Example
Let us see another example to implement Math.Sign() method −
using System;
public class Demo {
public static void Main(){
Decimal val1 = 20m;
Double val2 = -35.252d;
Console.WriteLine("Decimal Value = " + val1);
Console.WriteLine("Sign (Decimal Value) = " + getSign(Math.Sign(val1)));
Console.WriteLine("Double value = " + val2);
Console.WriteLine("Sign (Double Value) = " + getSign(Math.Sign(val2)));
}
public static String getSign(int compare){
if (compare == 0)
return "Equal to zero!";
else if (compare < 0)
return "Less than zero!";
else
return "Greater than zero!";
}
}Output
This will produce the following output −
Decimal Value = 20 Sign (Decimal Value) = Greater than zero! Double value = -35.252 Sign (Double Value) = Less than zero!
Updated on: 08-Nov-2019
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