diff options
author | Alberto Ruiz <aruiz@um.es> | 2007-06-22 17:33:17 +0000 |
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committer | Alberto Ruiz <aruiz@um.es> | 2007-06-22 17:33:17 +0000 |
commit | 978e6d038239af50d70bae2c303f4e45b1879b7a (patch) | |
tree | 571b2060f388d0693820f808b40089acb100a5d9 /lib/LAPACK.hs | |
parent | 989bdf7e88c13500bd1986dcde36f6cc4f467efb (diff) |
refactoring
Diffstat (limited to 'lib/LAPACK.hs')
-rw-r--r-- | lib/LAPACK.hs | 55 |
1 files changed, 15 insertions, 40 deletions
diff --git a/lib/LAPACK.hs b/lib/LAPACK.hs index dc9eda1..602f5df 100644 --- a/lib/LAPACK.hs +++ b/lib/LAPACK.hs | |||
@@ -26,13 +26,12 @@ import Data.Packed.Internal.Vector | |||
26 | import Data.Packed.Internal.Matrix | 26 | import Data.Packed.Internal.Matrix |
27 | import Data.Packed.Vector | 27 | import Data.Packed.Vector |
28 | import Data.Packed.Matrix | 28 | import Data.Packed.Matrix |
29 | import GSL.Vector(scale) | ||
29 | import Complex | 30 | import Complex |
30 | import Foreign | 31 | import Foreign |
31 | 32 | ||
32 | ----------------------------------------------------------------------------- | 33 | ----------------------------------------------------------------------------- |
33 | -- dgesvd | 34 | foreign import ccall "LAPACK/lapack-aux.h svd_l_R" dgesvd :: TMMVM |
34 | foreign import ccall "LAPACK/lapack-aux.h svd_l_R" | ||
35 | dgesvd :: TMMVM -- Double ::> Double ::> (Double :> Double ::> IO Int) | ||
36 | 35 | ||
37 | -- | Wrapper for LAPACK's /dgesvd/, which computes the full svd decomposition of a real matrix. | 36 | -- | Wrapper for LAPACK's /dgesvd/, which computes the full svd decomposition of a real matrix. |
38 | -- | 37 | -- |
@@ -48,9 +47,7 @@ svdR' x@M {rows = r, cols = c} = unsafePerformIO $ do | |||
48 | return (u,s,trans v) | 47 | return (u,s,trans v) |
49 | 48 | ||
50 | ----------------------------------------------------------------------------- | 49 | ----------------------------------------------------------------------------- |
51 | -- dgesdd | 50 | foreign import ccall "LAPACK/lapack-aux.h svd_l_Rdd" dgesdd :: TMMVM |
52 | foreign import ccall "LAPACK/lapack-aux.h svd_l_Rdd" | ||
53 | dgesdd :: TMMVM --Double ::> Double ::> (Double :> Double ::> IO Int) | ||
54 | 51 | ||
55 | -- | Wrapper for LAPACK's /dgesvd/, which computes the full svd decomposition of a real matrix. | 52 | -- | Wrapper for LAPACK's /dgesvd/, which computes the full svd decomposition of a real matrix. |
56 | -- | 53 | -- |
@@ -66,9 +63,7 @@ svdRdd' x@M {rows = r, cols = c} = unsafePerformIO $ do | |||
66 | return (u,s,trans v) | 63 | return (u,s,trans v) |
67 | 64 | ||
68 | ----------------------------------------------------------------------------- | 65 | ----------------------------------------------------------------------------- |
69 | -- zgesvd | 66 | foreign import ccall "LAPACK/lapack-aux.h svd_l_C" zgesvd :: TCMCMVCM |
70 | foreign import ccall "LAPACK/lapack-aux.h svd_l_C" | ||
71 | zgesvd :: TCMCMVCM -- (Complex Double) ::> (Complex Double) ::> (Double :> (Complex Double) ::> IO Int) | ||
72 | 67 | ||
73 | -- | Wrapper for LAPACK's /zgesvd/, which computes the full svd decomposition of a complex matrix. | 68 | -- | Wrapper for LAPACK's /zgesvd/, which computes the full svd decomposition of a complex matrix. |
74 | -- | 69 | -- |
@@ -85,9 +80,7 @@ svdC' x@M {rows = r, cols = c} = unsafePerformIO $ do | |||
85 | return (u,s,trans v) | 80 | return (u,s,trans v) |
86 | 81 | ||
87 | ----------------------------------------------------------------------------- | 82 | ----------------------------------------------------------------------------- |
88 | -- zgeev | 83 | foreign import ccall "LAPACK/lapack-aux.h eig_l_C" zgeev :: TCMCMCVCM |
89 | foreign import ccall "LAPACK/lapack-aux.h eig_l_C" | ||
90 | zgeev :: TCMCMCVCM -- (Complex Double) ::> (Complex Double) ::> ((Complex Double) :> (Complex Double) ::> IO Int) | ||
91 | 84 | ||
92 | -- | Wrapper for LAPACK's /zgeev/, which computes the eigenvalues and right eigenvectors of a general complex matrix: | 85 | -- | Wrapper for LAPACK's /zgeev/, which computes the eigenvalues and right eigenvectors of a general complex matrix: |
93 | -- | 86 | -- |
@@ -106,9 +99,7 @@ eigC (m@M {rows = r}) | |||
106 | return (l,v) | 99 | return (l,v) |
107 | 100 | ||
108 | ----------------------------------------------------------------------------- | 101 | ----------------------------------------------------------------------------- |
109 | -- dgeev | 102 | foreign import ccall "LAPACK/lapack-aux.h eig_l_R" dgeev :: TMMCVM |
110 | foreign import ccall "LAPACK/lapack-aux.h eig_l_R" | ||
111 | dgeev :: TMMCVM -- Double ::> Double ::> ((Complex Double) :> Double ::> IO Int) | ||
112 | 103 | ||
113 | -- | Wrapper for LAPACK's /dgeev/, which computes the eigenvalues and right eigenvectors of a general real matrix: | 104 | -- | Wrapper for LAPACK's /dgeev/, which computes the eigenvalues and right eigenvectors of a general real matrix: |
114 | -- | 105 | -- |
@@ -139,12 +130,10 @@ fixeig ((r1:+i1):(r2:+i2):r) (v1:v2:vs) | |||
139 | | r1 == r2 && i1 == (-i2) = toComplex (v1,v2) : toComplex (v1,scale (-1) v2) : fixeig r vs | 130 | | r1 == r2 && i1 == (-i2) = toComplex (v1,v2) : toComplex (v1,scale (-1) v2) : fixeig r vs |
140 | | otherwise = comp v1 : fixeig ((r2:+i2):r) (v2:vs) | 131 | | otherwise = comp v1 : fixeig ((r2:+i2):r) (v2:vs) |
141 | 132 | ||
142 | scale r v = fromList [r] `outer` v | 133 | -- scale r v = fromList [r] `outer` v |
143 | 134 | ||
144 | ----------------------------------------------------------------------------- | 135 | ----------------------------------------------------------------------------- |
145 | -- dsyev | 136 | foreign import ccall "LAPACK/lapack-aux.h eig_l_S" dsyev :: TMVM |
146 | foreign import ccall "LAPACK/lapack-aux.h eig_l_S" | ||
147 | dsyev :: TMVM -- Double ::> (Double :> Double ::> IO Int) | ||
148 | 137 | ||
149 | -- | Wrapper for LAPACK's /dsyev/, which computes the eigenvalues and right eigenvectors of a symmetric real matrix: | 138 | -- | Wrapper for LAPACK's /dsyev/, which computes the eigenvalues and right eigenvectors of a symmetric real matrix: |
150 | -- | 139 | -- |
@@ -166,9 +155,7 @@ eigS' (m@M {rows = r}) | |||
166 | return (l,v) | 155 | return (l,v) |
167 | 156 | ||
168 | ----------------------------------------------------------------------------- | 157 | ----------------------------------------------------------------------------- |
169 | -- zheev | 158 | foreign import ccall "LAPACK/lapack-aux.h eig_l_H" zheev :: TCMVCM |
170 | foreign import ccall "LAPACK/lapack-aux.h eig_l_H" | ||
171 | zheev :: TCMVCM -- (Complex Double) ::> (Double :> (Complex Double) ::> IO Int) | ||
172 | 159 | ||
173 | -- | Wrapper for LAPACK's /zheev/, which computes the eigenvalues and right eigenvectors of a hermitian complex matrix: | 160 | -- | Wrapper for LAPACK's /zheev/, which computes the eigenvalues and right eigenvectors of a hermitian complex matrix: |
174 | -- | 161 | -- |
@@ -190,9 +177,7 @@ eigH' (m@M {rows = r}) | |||
190 | return (l,v) | 177 | return (l,v) |
191 | 178 | ||
192 | ----------------------------------------------------------------------------- | 179 | ----------------------------------------------------------------------------- |
193 | -- dgesv | 180 | foreign import ccall "LAPACK/lapack-aux.h linearSolveR_l" dgesv :: TMMM |
194 | foreign import ccall "LAPACK/lapack-aux.h linearSolveR_l" | ||
195 | dgesv :: TMMM -- Double ::> Double ::> Double ::> IO Int | ||
196 | 181 | ||
197 | -- | Wrapper for LAPACK's /dgesv/, which solves a general real linear system (for several right-hand sides) internally using the lu decomposition. | 182 | -- | Wrapper for LAPACK's /dgesv/, which solves a general real linear system (for several right-hand sides) internally using the lu decomposition. |
198 | linearSolveR :: Matrix Double -> Matrix Double -> Matrix Double | 183 | linearSolveR :: Matrix Double -> Matrix Double -> Matrix Double |
@@ -204,9 +189,7 @@ linearSolveR a@(M {rows = n1, cols = n2}) b@(M {rows = r, cols = c}) | |||
204 | | otherwise = error "linearSolveR of nonsquare matrix" | 189 | | otherwise = error "linearSolveR of nonsquare matrix" |
205 | 190 | ||
206 | ----------------------------------------------------------------------------- | 191 | ----------------------------------------------------------------------------- |
207 | -- zgesv | 192 | foreign import ccall "LAPACK/lapack-aux.h linearSolveC_l" zgesv :: TCMCMCM |
208 | foreign import ccall "LAPACK/lapack-aux.h linearSolveC_l" | ||
209 | zgesv :: TCMCMCM -- (Complex Double) ::> (Complex Double) ::> (Complex Double) ::> IO Int | ||
210 | 193 | ||
211 | -- | Wrapper for LAPACK's /zgesv/, which solves a general complex linear system (for several right-hand sides) internally using the lu decomposition. | 194 | -- | Wrapper for LAPACK's /zgesv/, which solves a general complex linear system (for several right-hand sides) internally using the lu decomposition. |
212 | linearSolveC :: Matrix (Complex Double) -> Matrix (Complex Double) -> Matrix (Complex Double) | 195 | linearSolveC :: Matrix (Complex Double) -> Matrix (Complex Double) -> Matrix (Complex Double) |
@@ -218,9 +201,7 @@ linearSolveC a@(M {rows = n1, cols = n2}) b@(M {rows = r, cols = c}) | |||
218 | | otherwise = error "linearSolveC of nonsquare matrix" | 201 | | otherwise = error "linearSolveC of nonsquare matrix" |
219 | 202 | ||
220 | ----------------------------------------------------------------------------------- | 203 | ----------------------------------------------------------------------------------- |
221 | -- dgels | 204 | foreign import ccall "LAPACK/lapack-aux.h linearSolveLSR_l" dgels :: TMMM |
222 | foreign import ccall "LAPACK/lapack-aux.h linearSolveLSR_l" | ||
223 | dgels :: TMMM -- Double ::> Double ::> Double ::> IO Int | ||
224 | 205 | ||
225 | -- | Wrapper for LAPACK's /dgels/, which obtains the least squared error solution of an overconstrained real linear system or the minimum norm solution of an underdetermined system, for several right-hand sides. For rank deficient systems use 'linearSolveSVDR'. | 206 | -- | Wrapper for LAPACK's /dgels/, which obtains the least squared error solution of an overconstrained real linear system or the minimum norm solution of an underdetermined system, for several right-hand sides. For rank deficient systems use 'linearSolveSVDR'. |
226 | linearSolveLSR :: Matrix Double -> Matrix Double -> Matrix Double | 207 | linearSolveLSR :: Matrix Double -> Matrix Double -> Matrix Double |
@@ -232,9 +213,7 @@ linearSolveLSR_l a@(M {rows = m, cols = n}) b@(M {cols = nrhs}) = unsafePerformI | |||
232 | return r | 213 | return r |
233 | 214 | ||
234 | ----------------------------------------------------------------------------------- | 215 | ----------------------------------------------------------------------------------- |
235 | -- zgels | 216 | foreign import ccall "LAPACK/lapack-aux.h linearSolveLSC_l" zgels :: TCMCMCM |
236 | foreign import ccall "LAPACK/lapack-aux.h linearSolveLSC_l" | ||
237 | zgels :: TCMCMCM -- (Complex Double) ::> (Complex Double) ::> (Complex Double) ::> IO Int | ||
238 | 217 | ||
239 | -- | Wrapper for LAPACK's /zgels/, which obtains the least squared error solution of an overconstrained complex linear system or the minimum norm solution of an underdetermined system, for several right-hand sides. For rank deficient systems use 'linearSolveSVDC'. | 218 | -- | Wrapper for LAPACK's /zgels/, which obtains the least squared error solution of an overconstrained complex linear system or the minimum norm solution of an underdetermined system, for several right-hand sides. For rank deficient systems use 'linearSolveSVDC'. |
240 | linearSolveLSC :: Matrix (Complex Double) -> Matrix (Complex Double) -> Matrix (Complex Double) | 219 | linearSolveLSC :: Matrix (Complex Double) -> Matrix (Complex Double) -> Matrix (Complex Double) |
@@ -246,9 +225,7 @@ linearSolveLSC_l a@(M {rows = m, cols = n}) b@(M {cols = nrhs}) = unsafePerformI | |||
246 | return r | 225 | return r |
247 | 226 | ||
248 | ----------------------------------------------------------------------------------- | 227 | ----------------------------------------------------------------------------------- |
249 | -- dgelss | 228 | foreign import ccall "LAPACK/lapack-aux.h linearSolveSVDR_l" dgelss :: Double -> TMMM |
250 | foreign import ccall "LAPACK/lapack-aux.h linearSolveSVDR_l" | ||
251 | dgelss :: Double -> TMMM -- Double ::> Double ::> Double ::> IO Int | ||
252 | 229 | ||
253 | -- | Wrapper for LAPACK's /dgelss/, which obtains the minimum norm solution to a real linear least squares problem Ax=B using the svd, for several right-hand sides. Admits rank deficient systems but it is slower than 'linearSolveLSR'. The effective rank of A is determined by treating as zero those singular valures which are less than rcond times the largest singular value. If rcond == Nothing machine precision is used. | 230 | -- | Wrapper for LAPACK's /dgelss/, which obtains the minimum norm solution to a real linear least squares problem Ax=B using the svd, for several right-hand sides. Admits rank deficient systems but it is slower than 'linearSolveLSR'. The effective rank of A is determined by treating as zero those singular valures which are less than rcond times the largest singular value. If rcond == Nothing machine precision is used. |
254 | linearSolveSVDR :: Maybe Double -- ^ rcond | 231 | linearSolveSVDR :: Maybe Double -- ^ rcond |
@@ -264,9 +241,7 @@ linearSolveSVDR_l rcond a@(M {rows = m, cols = n}) b@(M {cols = nrhs}) = unsafeP | |||
264 | return r | 241 | return r |
265 | 242 | ||
266 | ----------------------------------------------------------------------------------- | 243 | ----------------------------------------------------------------------------------- |
267 | -- zgelss | 244 | foreign import ccall "LAPACK/lapack-aux.h linearSolveSVDC_l" zgelss :: Double -> TCMCMCM |
268 | foreign import ccall "LAPACK/lapack-aux.h linearSolveSVDC_l" | ||
269 | zgelss :: Double -> TCMCMCM -- (Complex Double) ::> (Complex Double) ::> (Complex Double) ::> IO Int | ||
270 | 245 | ||
271 | -- | Wrapper for LAPACK's /zgelss/, which obtains the minimum norm solution to a complex linear least squares problem Ax=B using the svd, for several right-hand sides. Admits rank deficient systems but it is slower than 'linearSolveLSC'. The effective rank of A is determined by treating as zero those singular valures which are less than rcond times the largest singular value. If rcond == Nothing machine precision is used. | 246 | -- | Wrapper for LAPACK's /zgelss/, which obtains the minimum norm solution to a complex linear least squares problem Ax=B using the svd, for several right-hand sides. Admits rank deficient systems but it is slower than 'linearSolveLSC'. The effective rank of A is determined by treating as zero those singular valures which are less than rcond times the largest singular value. If rcond == Nothing machine precision is used. |
272 | linearSolveSVDC :: Maybe Double -- ^ rcond | 247 | linearSolveSVDC :: Maybe Double -- ^ rcond |