alercah

function calculate(recipes, constraints):
  Calculates the optimal ratios for the specified recipes.
  Params:
    recipes: Table of string -> recipe. Recipe data and parameters. Note that you may have to use keys encoding additional parameters where multiple of the same recipe are used, say with different machines.
    constraints: 
  Returns: Table with keys:
    item, fluid: Table of string -> double. Amount of item/fluid produced (negative is consumption) per unit time.
    recipe: Table of string -> double. Number of each recipe required.
    power: double. The total power produced (negative is consumed) by this recipe (in W).