Function fds

fds(
    func: ChalkboardFunction,
    tinf: number,
    tsup: number,
    sinf?: number,
    ssup?: number,
): number
Calculates the curve length or surface area of a parametric curve or a parametric surface, respectively.
Parameters
- func: ChalkboardFunction
  The function
- tinf: number
  The lower t-bound (for both curve length and surface area)
- tsup: number
  The upper t-bound (for both curve length and surface area)
- Optionalsinf: number
  The lower s-bound (only for surface area)
- Optionalssup: number
  The upper s-bound (only for surface area)
Returns number
- Defined in Chalkboard.calc.ts:306