# Pastebin xDgr0koH
template runTest(
  xInitial, yInitial, yMin, yMax, xMin, xMax: float,
  objectiveBody: untyped
) {.dirty.} =
  proc objective(state: GenericState,
                 state2: Option[GenericState],
                 minScore: Option[Score]): Score =
    objectiveBody

  let initialState: GenericState = [xInitial, yInitial]
  var settings = OptimizerSettings(
    xDefault: xInitial,
    yDefault: yInitial,
    yMin: yMin,
    yMax: yMax,
    xMin: xMin,
    xMax: xMax
  )
  settings.xScale = (settings.xMax - settings.xMin) / 6.0
  settings.yScale = (settings.yMax - settings.yMin) / 6.0

...



test "mccormick":
 runTest(0.0, 0.0, -3.0, 4.0, -1.5, 4.0):
   let
     x = state[x]
     y = state[y]
   result = sin(x + y) + (x - y).pow(2) - 1.5 * x + 2.5 * y + 1