/// <summary>
/// Calculate the given nutrient's effect on the chromosome's cost (assuming this is the last nutrient added)
/// If c is not provided, the winning chromosome will be used (if any)
/// </summary>
public float CalculateNutrientCostDifference(ushort nutrientId, float nutrientAmount, Chromosome c = null)
{
if (!HasWinner && c == null)
{
return(0);
}
else if (c == null)
{
c = winner;
}
var scoreSpace = (float[])null;
return(scorer.ScoreDifference(c, new FoodNutrient[] { new FoodNutrient {
nutrientId = nutrientId, nutrientAmount = nutrientAmount
} }, ref scoreSpace));
}
public float CalculateFoodCostDifference(int foodId, int count, ref float[] scoreSpace, Chromosome c)
{
var nutrientsToRemove = count == 1 ? nutrientsByFoodId[foodId] : //Minor optimization
nutrientsByFoodId[foodId].Select(p => new FoodNutrient {
foodId = p.foodId, nutrientId = p.nutrientId, nutrientAmount = p.nutrientAmount * count
}).ToArray();
return(scorer.ScoreDifference(c, nutrientsToRemove, ref scoreSpace));
}
