diff options
author | Alberto Ruiz <aruiz@um.es> | 2008-06-10 08:31:27 +0000 |
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committer | Alberto Ruiz <aruiz@um.es> | 2008-06-10 08:31:27 +0000 |
commit | 53b361e5b9840273ccfd50e5b256002498a97469 (patch) | |
tree | c96ae1a373cd6884821f4b74b9e6cabd5e6f2204 /lib/Data/Packed/Internal | |
parent | 9cb72979acc7bcd9df2fa8eab05169d9c5ca84f5 (diff) |
added examples/benchmarks.hs
Diffstat (limited to 'lib/Data/Packed/Internal')
-rw-r--r-- | lib/Data/Packed/Internal/Matrix.hs | 27 | ||||
-rw-r--r-- | lib/Data/Packed/Internal/Vector.hs | 22 |
2 files changed, 0 insertions, 49 deletions
diff --git a/lib/Data/Packed/Internal/Matrix.hs b/lib/Data/Packed/Internal/Matrix.hs index 7a35a61..caf3699 100644 --- a/lib/Data/Packed/Internal/Matrix.hs +++ b/lib/Data/Packed/Internal/Matrix.hs | |||
@@ -394,30 +394,3 @@ fromFile filename (r,c) = do | |||
394 | --free charname -- TO DO: free the auxiliary CString | 394 | --free charname -- TO DO: free the auxiliary CString |
395 | return res | 395 | return res |
396 | foreign import ccall "auxi.h matrix_fscanf" c_gslReadMatrix:: Ptr CChar -> TM | 396 | foreign import ccall "auxi.h matrix_fscanf" c_gslReadMatrix:: Ptr CChar -> TM |
397 | |||
398 | ---------------------------------------------------------------------------- | ||
399 | |||
400 | {- | creates a new matrix with the given position updated with a modification function | ||
401 | |||
402 | @> updateMatrix (0,2) (const 57) (ident 3 :: Matrix Double) | ||
403 | (3><3) | ||
404 | [ 1.0, 0.0, 57.0 | ||
405 | , 0.0, 1.0, 0.0 | ||
406 | , 0.0, 0.0, 1.0 ]@ | ||
407 | |||
408 | -} | ||
409 | updateMatrix :: Storable t | ||
410 | => (Int,Int) -- ^ position (row,column) | ||
411 | -> (t -> t) -- ^ modification function | ||
412 | -> Matrix t -- ^ source matrix | ||
413 | -> Matrix t -- ^ result | ||
414 | |||
415 | updateMatrix (i,j) f (m@MC {rows = r, cols = c, cdat = v}) | ||
416 | | i<0 || i>=r || j<0 || j>=c = error $ "updateMatrix out of range(size="++show (r,c)++", pos="++show (i,j)++")" | ||
417 | | otherwise = let pos = i*c+j | ||
418 | in m { cdat = updateVector pos f v } | ||
419 | |||
420 | updateMatrix (i,j) f (m@MF {rows = r, cols = c, fdat = v}) | ||
421 | | i<0 || i>=r || j<0 || j>=c = error $ "updateMatrix out of range(size="++show (r,c)++", pos="++show (i,j)++")" | ||
422 | | otherwise = let pos = j*r+i | ||
423 | in m { fdat = updateVector pos f v } | ||
diff --git a/lib/Data/Packed/Internal/Vector.hs b/lib/Data/Packed/Internal/Vector.hs index 6274e48..2df33e0 100644 --- a/lib/Data/Packed/Internal/Vector.hs +++ b/lib/Data/Packed/Internal/Vector.hs | |||
@@ -189,28 +189,6 @@ liftVector2 f u v = fromList $ zipWith f (toList u) (toList v) | |||
189 | 189 | ||
190 | ----------------------------------------------------------------- | 190 | ----------------------------------------------------------------- |
191 | 191 | ||
192 | {- | creates a new vector with a desired position updated with a modification function | ||
193 | |||
194 | @> updateVector 3 (+7) (fromList [1..5]) | ||
195 | 5 |> [1.0,2.0,3.0,11.0,5.0]@ | ||
196 | |||
197 | -} | ||
198 | updateVector :: Storable t => Int -- ^ position | ||
199 | -> (t->t) -- ^ modification function | ||
200 | -> Vector t -- ^ source | ||
201 | -> Vector t -- ^ result | ||
202 | updateVector k h (v@V {dim=n}) | ||
203 | | k<0 || k >= n = error $ "updateVector out of range (dim="++show n++", pos="++show k++")" | ||
204 | | otherwise = unsafePerformIO $ do | ||
205 | r <- createVector n | ||
206 | let f _ s _ d = copyArray d s n | ||
207 | >> pokeElemOff d k (h (v`at'`k)) | ||
208 | >> return 0 | ||
209 | app2 f vec v vec r "updateVector" | ||
210 | return r | ||
211 | |||
212 | ----------------------------------------------------------------- | ||
213 | |||
214 | cloneVector :: Storable t => Vector t -> IO (Vector t) | 192 | cloneVector :: Storable t => Vector t -> IO (Vector t) |
215 | cloneVector (v@V {dim=n}) = do | 193 | cloneVector (v@V {dim=n}) = do |
216 | r <- createVector n | 194 | r <- createVector n |