Math.BigMul Method (Int32, Int32)


Produces the full product of two 32-bit numbers.

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

Public Shared Function BigMul (
	a As Integer,
	b As Integer
) As Long


Type: System.Int32

The first number to multiply.

Type: System.Int32

The second number to multiply.

Return Value

Type: System.Int64

The number containing the product of the specified numbers.

The following example demonstrates the use of the BigMul method to calculate the product of two integer values.

' This example demonstrates Math.BigMul()
Imports System

Class Sample
   Public Shared Sub Main()
      Dim int1 As Integer = Int32.MaxValue
      Dim int2 As Integer = Int32.MaxValue
      Dim longResult As Long
      longResult = Math.BigMul(int1, int2)
      Console.WriteLine("Calculate the product of two Int32 values:")
      Console.WriteLine("{0} * {1} = {2}", int1, int2, longResult)
   End Sub 'Main
End Class 'Sample
'This example produces the following results:
'Calculate the product of two Int32 values:
'2147483647 * 2147483647 = 4611686014132420609

.NET Framework
Available since 1.1
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