External module "math/base/special/hacovercos/docs/types/index.d"

Export assignment hacovercos

• hacovercos(x: number): number

• Computes the half-value coversed cosine.

  Notes

  • The half-value coversed cosine is defined as (1 + sin(x)) / 2.

  Parameters

  • x: number

    input value (in radians)

  Returns number

  half-value coversed cosine

  Example

  var v = hacovercos( 0.0 );
  // returns 0.5

  Example

  var v = hacovercos( 3.141592653589793/2.0 );
  // returns 1.0

  Example

  var v = hacovercos( -3.141592653589793/6.0 );
  // returns 0.25

  Example

  var v = hacovercos( NaN );
  // returns NaN