@no_std
@settings(defaultLengthUnit = mm)

/// Convert a number to millimeters from its current units.
export fn toMillimeters(@num: number(mm)): number(mm) {
  return num
}

/// Convert a number to centimeters from its current units.
export fn toCentimeters(@num: number(cm)): number(cm) {
  return num
}

/// Convert a number to meters from its current units.
export fn toMeters(@num: number(m)): number(m) {
  return num
}

/// Convert a number to inches from its current units.
export fn toInches(@num: number(in)): number(in) {
  return num
}

/// Convert a number to feet from its current units.
export fn toFeet(@num: number(ft)): number(ft) {
  return num
}

/// Converts a number to yards from its current units.
export fn toYards(@num: number(yd)): number(yd) {
  return num
}

/// Converts a number to radians from its current units.
///
/// ```
/// exampleSketch = startSketchOn(XZ)
///   |> startProfile(at = [0, 0])
///   |> angledLine(
///     angle = 50,
///     length = 70 * cos(units::toRadians(45)),
///   )
///   |> yLine(endAbsolute = 0)
///   |> close()
///
/// example = extrude(exampleSketch, length = 5)
/// ```
export fn toRadians(@num: number(rad)): number(rad) {
  return num
}

/// Converts a number to degrees from its current units.
///
/// ```
/// exampleSketch = startSketchOn(XZ)
///   |> startProfile(at = [0, 0])
///   |> angledLine(
///     angle = 50,
///     length = 70 * cos(units::toDegrees((PI/4): number(rad))),
///   )
///   |> yLine(endAbsolute = 0)
///   |> close()
///
/// example = extrude(exampleSketch, length = 5)
/// ```
export fn toDegrees(@num: number(deg)): number(deg) {
  return num
}