Cleanup.

Author: rolyp

website/article/fluid/convolution.fld

@@ -12,12 +12,12 @@ def matrixSum(matr):
  foldl((+), 0, [matr!(i, j) for (i, j) in range((1, 1), (m, n))])
 
 def convolve(image, kernel):
- def (i, j): dims(kernel)
- def (half_i, half_j): (i |quot| 2, j |quot| 2)
+ def (kernel_i, kernel_j): dims(kernel)
+ def (half_i, half_j): (kernel_i |quot| 2, kernel_j |quot| 2)
 
  def interMatrix(m, n):
- [| lookup(m + i_ - 1 - half_i, n + j_ - 1 - half_j, image) * kernel!(i_, j_)
- for (i_, j_) in (i, j) |]
+ [| lookup(m + i - 1 - half_i, n + j - 1 - half_j, image) * kernel!(i, j)
+ for (i, j) in (kernel_i, kernel_j) |]
 
  [| matrixSum(interMatrix(m, n)) |quot| i * j for (m, n) in dims(image) |]