eliminate the normalization part of softmax. now that I've reduced the coef magnitudes, the output of unnormalized exponentiation fits in float's range, so the normalization can be handled by the weighted average. 460->428
eliminate the normalization part of softmax.
now that I've reduced the coef magnitudes, the output of unnormalized exponentiation fits in float's range, so the normalization can be handled by the weighted average.
460->428

knneth/nnedi,knneth/nnedi