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

Export assignment hacoversin

• hacoversin(x: number): number

• Computes the half-value coversed sine.

  Notes

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

  Parameters

  • x: number

    input value (in radians)

  Returns number

  half-value coversed sine

  Example

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

  Example

  var v = hacoversin( 3.141592653589793/2.0 );
  // returns 0.0

  Example

  var v = hacoversin( -3.141592653589793/6.0 );
  // returns 0.75

  Example

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