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authorVivian McPhail <haskell.vivian.mcphail@gmail.com>2010-09-06 09:59:08 +0000
committerVivian McPhail <haskell.vivian.mcphail@gmail.com>2010-09-06 09:59:08 +0000
commit9004922ad91c0b4ad8498c31171a3a1a1e27d9f2 (patch)
treec6d4759e584b7933029e405a73974e173046ddcc /lib/Numeric/Vector.hs
parent29099e3bfb4eec87ac3d4d675d7cfc82234c20d6 (diff)
Merged changes with conversion-linear
Diffstat (limited to 'lib/Numeric/Vector.hs')
-rw-r--r--lib/Numeric/Vector.hs98
1 files changed, 57 insertions, 41 deletions
diff --git a/lib/Numeric/Vector.hs b/lib/Numeric/Vector.hs
index d92a5e4..5cc51ac 100644
--- a/lib/Numeric/Vector.hs
+++ b/lib/Numeric/Vector.hs
@@ -30,10 +30,12 @@ import Control.Monad(ap)
30 30
31import Data.Packed.Vector 31import Data.Packed.Vector
32import Data.Packed.Internal.Matrix(Element(..)) 32import Data.Packed.Internal.Matrix(Element(..))
33import Data.Packed.Internal.Vector(asComplex,asReal)
34import Data.Packed.Matrix(toColumns,fromColumns,flatten,reshape)
33import Numeric.GSL.Vector 35import Numeric.GSL.Vector
34 36
35import Numeric.Container 37import Numeric.Container
36import Numeric.LinearAlgebra.Linear 38--import Numeric.LinearAlgebra.Linear
37 39
38------------------------------------------------------------------- 40-------------------------------------------------------------------
39 41
@@ -254,6 +256,40 @@ instance Floating (Vector (Complex Float)) where
254 256
255--------------------------------------------------------------- 257---------------------------------------------------------------
256 258
259-- | obtains the complex conjugate of a complex vector
260conjV :: (RealElement a) => Vector (Complex a) -> Vector (Complex a)
261conjV = mapVector conjugate
262
263-- | creates a complex vector from vectors with real and imaginary parts
264toComplexV :: (RealElement a) => (Vector a, Vector a) -> Vector (Complex a)
265toComplexV (r,i) = asComplex $ flatten $ fromColumns [r,i]
266
267-- | the inverse of 'toComplex'
268fromComplexV :: (RealElement a) => Vector (Complex a) -> (Vector a, Vector a)
269fromComplexV z = (r,i) where
270 [r,i] = toColumns $ reshape 2 $ asReal z
271
272--------------------------------------------------------------------------
273
274instance NumericContainer Vector where
275 toComplex = toComplexV
276 fromComplex = fromComplexV
277 complex' v = toComplex (v,constant 0 (dim v))
278 conj = conjV
279-- cmap = mapVector
280 single' = double2FloatG
281 double' = float2DoubleG
282
283--------------------------------------------------------------------------
284{-
285instance RealElement e => Complexable Vector e where
286 v_toComplex = toComplexV
287 v_fromComplex = fromComplexV
288 v_conj = conjV
289 v_complex' v = toComplex (v,constantD 0 (dim v))
290-}
291-------------------------------------------------------------------
292
257instance Linear Vector Float where 293instance Linear Vector Float where
258 scale = vectorMapValF Scale 294 scale = vectorMapValF Scale
259 scaleRecip = vectorMapValF Recip 295 scaleRecip = vectorMapValF Recip
@@ -264,12 +300,16 @@ instance Linear Vector Float where
264 divide = vectorZipF Div 300 divide = vectorZipF Div
265 equal u v = dim u == dim v && maxElement (vectorMapF Abs (sub u v)) == 0.0 301 equal u v = dim u == dim v && maxElement (vectorMapF Abs (sub u v)) == 0.0
266 scalar x = fromList [x] 302 scalar x = fromList [x]
267 303 --
268instance Container Vector Float where 304instance Container Vector Float where
305 cmap = mapVector
306 atIndex = (@>)
269 minIndex = round . toScalarF MinIdx 307 minIndex = round . toScalarF MinIdx
270 maxIndex = round . toScalarF MaxIdx 308 maxIndex = round . toScalarF MaxIdx
271 minElement = toScalarF Min 309 minElement = toScalarF Min
272 maxElement = toScalarF Max 310 maxElement = toScalarF Max
311 sumElements = sumF
312 prodElements = prodF
273 313
274instance Linear Vector Double where 314instance Linear Vector Double where
275 scale = vectorMapValR Scale 315 scale = vectorMapValR Scale
@@ -281,12 +321,16 @@ instance Linear Vector Double where
281 divide = vectorZipR Div 321 divide = vectorZipR Div
282 equal u v = dim u == dim v && maxElement (vectorMapR Abs (sub u v)) == 0.0 322 equal u v = dim u == dim v && maxElement (vectorMapR Abs (sub u v)) == 0.0
283 scalar x = fromList [x] 323 scalar x = fromList [x]
284 324 --
285instance Container Vector Double where 325instance Container Vector Double where
326 cmap = mapVector
327 atIndex = (@>)
286 minIndex = round . toScalarR MinIdx 328 minIndex = round . toScalarR MinIdx
287 maxIndex = round . toScalarR MaxIdx 329 maxIndex = round . toScalarR MaxIdx
288 minElement = toScalarR Min 330 minElement = toScalarR Min
289 maxElement = toScalarR Max 331 maxElement = toScalarR Max
332 sumElements = sumR
333 prodElements = prodR
290 334
291instance Linear Vector (Complex Double) where 335instance Linear Vector (Complex Double) where
292 scale = vectorMapValC Scale 336 scale = vectorMapValC Scale
@@ -298,12 +342,16 @@ instance Linear Vector (Complex Double) where
298 divide = vectorZipC Div 342 divide = vectorZipC Div
299 equal u v = dim u == dim v && maxElement (mapVector magnitude (sub u v)) == 0.0 343 equal u v = dim u == dim v && maxElement (mapVector magnitude (sub u v)) == 0.0
300 scalar x = fromList [x] 344 scalar x = fromList [x]
301 345 --
302instance Container Vector (Complex Double) where 346instance Container Vector (Complex Double) where
347 cmap = mapVector
348 atIndex = (@>)
303 minIndex = minIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate) 349 minIndex = minIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate)
304 maxIndex = maxIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate) 350 maxIndex = maxIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate)
305 minElement = ap (@>) minIndex 351 minElement = ap (@>) minIndex
306 maxElement = ap (@>) maxIndex 352 maxElement = ap (@>) maxIndex
353 sumElements = sumC
354 prodElements = prodC
307 355
308instance Linear Vector (Complex Float) where 356instance Linear Vector (Complex Float) where
309 scale = vectorMapValQ Scale 357 scale = vectorMapValQ Scale
@@ -315,47 +363,15 @@ instance Linear Vector (Complex Float) where
315 divide = vectorZipQ Div 363 divide = vectorZipQ Div
316 equal u v = dim u == dim v && maxElement (mapVector magnitude (sub u v)) == 0.0 364 equal u v = dim u == dim v && maxElement (mapVector magnitude (sub u v)) == 0.0
317 scalar x = fromList [x] 365 scalar x = fromList [x]
318 366 --
319instance Container Vector (Complex Float) where 367instance Container Vector (Complex Float) where
368 cmap = mapVector
369 atIndex = (@>)
320 minIndex = minIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate) 370 minIndex = minIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate)
321 maxIndex = maxIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate) 371 maxIndex = maxIndex . fst . fromComplex . (zipVectorWith (*) `ap` mapVector conjugate)
322 minElement = ap (@>) minIndex 372 minElement = ap (@>) minIndex
323 maxElement = ap (@>) maxIndex 373 maxElement = ap (@>) maxIndex
374 sumElements = sumQ
375 prodElements = prodQ
324 376
325--------------------------------------------------------------- 377---------------------------------------------------------------
326
327instance Vectors Vector Float where
328 vectorSum = sumF
329 vectorProd = prodF
330 norm2 = toScalarF Norm2
331 absSum = toScalarF AbsSum
332 dot = dotF
333 norm1 = toScalarF AbsSum
334 normInf = maxElement . vectorMapF Abs
335
336instance Vectors Vector Double where
337 vectorSum = sumR
338 vectorProd = prodR
339 norm2 = toScalarR Norm2
340 absSum = toScalarR AbsSum
341 dot = dotR
342 norm1 = toScalarR AbsSum
343 normInf = maxElement . vectorMapR Abs
344
345instance Vectors Vector (Complex Float) where
346 vectorSum = sumQ
347 vectorProd = prodQ
348 norm2 = (:+ 0) . toScalarQ Norm2
349 absSum = (:+ 0) . toScalarQ AbsSum
350 dot = dotQ
351 norm1 = (:+ 0) . vectorSum . fst . fromComplex . vectorMapQ Abs
352 normInf = (:+ 0) . maxElement . fst . fromComplex . vectorMapQ Abs
353
354instance Vectors Vector (Complex Double) where
355 vectorSum = sumC
356 vectorProd = prodC
357 norm2 = (:+ 0) . toScalarC Norm2
358 absSum = (:+ 0) . toScalarC AbsSum
359 dot = dotC
360 norm1 = (:+ 0) . vectorSum . fst . fromComplex . vectorMapC Abs
361 normInf = (:+ 0) . maxElement . fst . fromComplex . vectorMapC Abs \ No newline at end of file