Function scale

scale(
    out: spherical.Spherical,
    a: spherical.Spherical,
    s: number,
): spherical.Spherical
Scales the radial distance r by a scalar
Parameters
- out: spherical.Spherical
  the receiving Spherical
- a: spherical.Spherical
  the source Spherical
- s: number
  scalar to multiply r by
Returns spherical.Spherical
out
- Defined in core/spherical.ts:97