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c#.netclr

How can I see the source code of System.Math.Sin?

In this link, we can see the source code of System.Math class. But I cannot find the source code of how sine is defined.

Is there anything I am missing here?

Solution

  • The signature of the method is:

      [System.Security.SecuritySafeCritical]  // auto-generated
  [ResourceExposure(ResourceScope.None)]
  [MethodImplAttribute(MethodImplOptions.InternalCall)]
  public static extern double Sin(double a);

    The extern in the method means it is defined elsewhere. In this case, it will be implemented directly in the CLR (probably written in C or Assembly) which means there is no .NET implementation available.