Hello Alberto,
Wednesday, July 13, 2005, 8:13:48 PM, you wrote:
>>If there are no efficiency concerns, I would drop element-wise operations
>>and prefer a matrix-map and a matrix-zipWith. If these operations shall
>>remain I would somehow point to their element-wise operation in the name.
AR> There is about 5x speed gain if we map in the C side. The "optimized"
floating
AR> map functions could be moved to a separate module.
GHC also have a RULES pragma which can be used to automatically
convert, for example, "mmap (*)" to "multipleElementWise". below is
examples of using this pragma in the standard GHC modules:
{-# RULES
"foldr/id" foldr (:) [] = \x->x
"foldr/single" forall k z x. foldr k z [x] = k x z
"foldr/nil" forall k z. foldr k z [] = z
#-}
--
Best regards,
Bulat mailto:[EMAIL PROTECTED]
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