How do I check if a number is positive or negative in C#?

Question

How do I check if a number is positive or negative in C#?

Answer 1

This code takes advantage of SIMD instructions to improve performance.

public static bool IsPositive(int n)
{
  var v = new Vector(n);
  var result = Vector.GreaterThanAll(v, Vector.Zero);
  return result;
}