forked from tsai/mathnet-numerics
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matrix: added general version of matrix norms - need to add dense and sparse specificla-knuth
Marcus Cuda
16 years ago
31 changed files with 16231 additions and 0 deletions
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sparse.mat contains: |
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* a sparse matrix S |
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* a sparse vector v |
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v.mat contains: |
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* a vector v |
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collection.mat contains: |
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* a matrix A |
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* a scalar t |
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* a vector v |
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* a vector w |
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A.mat contains: |
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* a matrix A |
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%%MatrixMarket matrix coordinate pattern symmetric |
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24 24 92 |
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1 1 |
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%%MatrixMarket matrix coordinate integer general |
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%============================================================== |
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% A Gear matrix of order 100 with A[1,1]=1 and A[100,100]=1 |
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% Generated by MatrixMarketDeli @ Thu Nov 17 16:19:13 EET 2005 |
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%============================================================== |
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100 100 200 |
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15 16 1 |
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1 1 1 |
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%%MatrixMarket matrix array real symmetric |
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%============================================================== |
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% The Hilbert matrix of order 10 |
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% Generated by MatrixMarketDeli @ Fri Nov 11 17:33:11 EET 2005 |
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%============================================================== |
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10 10 |
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1.0000000000000E+0 |
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5.0000000000000E-1 |
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3.3333333333333E-1 |
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2.5000000000000E-1 |
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2.0000000000000E-1 |
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1.6666666666667E-1 |
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1.4285714285714E-1 |
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1.2500000000000E-1 |
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1.1111111111111E-1 |
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1.0000000000000E-1 |
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3.3333333333333E-1 |
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2.5000000000000E-1 |
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2.0000000000000E-1 |
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1.6666666666667E-1 |
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1.4285714285714E-1 |
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1.2500000000000E-1 |
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1.1111111111111E-1 |
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1.0000000000000E-1 |
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9.0909090909091E-2 |
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2.0000000000000E-1 |
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1.6666666666667E-1 |
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1.4285714285714E-1 |
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1.2500000000000E-1 |
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1.1111111111111E-1 |
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1.0000000000000E-1 |
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9.0909090909091E-2 |
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8.3333333333333E-2 |
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1.4285714285714E-1 |
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1.2500000000000E-1 |
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1.1111111111111E-1 |
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1.0000000000000E-1 |
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9.0909090909091E-2 |
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8.3333333333333E-2 |
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7.6923076923077E-2 |
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1.1111111111111E-1 |
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1.0000000000000E-1 |
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9.0909090909091E-2 |
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8.3333333333333E-2 |
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7.6923076923077E-2 |
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7.1428571428571E-2 |
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9.0909090909091E-2 |
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8.3333333333333E-2 |
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7.6923076923077E-2 |
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7.1428571428571E-2 |
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6.6666666666667E-2 |
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7.6923076923077E-2 |
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7.1428571428571E-2 |
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6.6666666666667E-2 |
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6.2500000000000E-2 |
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6.6666666666667E-2 |
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6.2500000000000E-2 |
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5.8823529411765E-2 |
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5.8823529411765E-2 |
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5.5555555555556E-2 |
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5.2631578947368E-2 |
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%%MatrixMarket matrix array real general |
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%============================================================== |
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% A Random 10x20 matrix with density = 1.0, |
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% elements from -100.0 to 100.0 |
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% Generated by MatrixMarketDeli @ Fri Nov 11 17:06:08 EET 2005 |
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%============================================================== |
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10 20 |
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3.8657857973798E+1 |
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-4.9614141943821E+0 |
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9.8367529614337E+1 |
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-8.2830239960130E+1 |
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1.8538795105779E+0 |
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3.9112716073559E+1 |
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3.9887721176386E+0 |
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8.4074146022574E+0 |
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2.9721652493472E+1 |
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6.4014835211960E+1 |
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6.7934939698221E+1 |
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-7.2342764125323E+1 |
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@ -0,0 +1,207 @@ |
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%%MatrixMarket matrix array real general |
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%============================================================== |
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% A Random 20x10 matrix with density = 1.0, |
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% elements from -100.0 to 100.0 |
|||
% Generated by MatrixMarketDeli @ Fri Nov 11 17:06:08 EET 2005 |
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%============================================================== |
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20 10 |
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3.8657857973798E+1 |
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-4.9614141943821E+0 |
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@ -0,0 +1,58 @@ |
|||
%%MatrixMarket matrix coordinate real general |
|||
%============================================================== |
|||
% A Random 10x20 matrix with density = 0.25, |
|||
% elements from -100.0 to 100.0 |
|||
% The diagonal is dense |
|||
% Generated by MatrixMarketDeli @ Fri Nov 11 17:22:08 EET 2005 |
|||
%============================================================== |
|||
10 20 50 |
|||
8 15 -4.6451483491123E+1 |
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@ -0,0 +1,12 @@ |
|||
82.38917250140915,66.46799821137029,-73.97365545078824,-95.31921313337975,-21.846680846362403,24.88547007112365,-25.865299859546667,10.336949242478795,-1.8972305626745083,-58.69281090645184,40.59540633021413,29.366537108425774,-65.555416486013,58.33261150589951,-21.512984674665134,-60.05349816749461,-71.69576759012608,-28.329728816399566,58.99962297286575,-58.13813415200328 |
|||
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|||
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|||
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|||
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|||
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|||
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|||
5.65242025763699,83.7415139866441,-15.5829142912266,42.70513599117206,6.0108536217851025,67.65052517545206,-17.293198665435725,-11.579274485730991,-91.6883919961893,33.483892852094584,-82.26997555133242,-13.90977123378643,8.832753150101368,-52.315593898537394,19.00713120154056,99.74634572689772,32.00440579695595,-25.07610596982819,-33.57536049014007,60.99259101135044 |
|||
|
|||
|
|||
@ -0,0 +1,12 @@ |
|||
82.38917250140915 66.46799821137029 -73.97365545078824 -95.31921313337975 -21.846680846362403 24.88547007112365 -25.865299859546667 10.336949242478795 -1.8972305626745083 -58.69281090645184 40.59540633021413 29.366537108425774 -65.555416486013 58.33261150589951 -21.512984674665134 -60.05349816749461 -71.69576759012608 -28.329728816399566 58.99962297286575 -58.13813415200328 |
|||
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|||
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|||
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|||
80.59404861191172 -21.927115687319628 33.35685607311282 77.85305544886839 51.601887517862934 3.4122905747095302 -32.66398661676185 36.313965885768795 -41.855322967675626 53.05321393909486 -77.45385402005236 -76.62565696500063 -77.89465840528247 -8.292657315637712 54.596812842423816 -26.700011954666138 -90.18206036502391 -18.086466524875647 -39.05799437730564 40.081375053902434 |
|||
5.074311855252006 84.22251608410437 -89.43434460315265 -53.20018066807546 7.404021249266805 -89.21248946077878 0.5304325953368902 -74.34152108887051 52.215785748562354 -60.26002900699521 -95.17438985467528 -64.93872162910426 -36.35370747867126 94.79990831767964 73.33262704119048 -59.681867558485415 71.47018389311609 47.89051587365097 -62.640271686852664 -98.99985453928473 |
|||
50.182784823566294 12.097252271380526 83.07996571154416 20.66374964705308 -28.62505608952776 -41.86824532182081 65.33953691596301 -16.391857185520237 -0.22278619568626823 9.531285197122358 -48.313630271303175 28.525617385790497 8.858317928527441 50.144728875588044 10.101574486784415 -9.650330173214215 43.62081402240824 -87.97346348859674 -16.200725704789278 79.30124722603097 |
|||
16.244528852441675 -97.31979682308949 -67.40689255497901 -39.92144949778462 84.48620911351529 77.66323402191361 62.7104659606772 44.331368682216066 33.25168158596264 -32.114028882470876 -84.43158620923647 16.006065827914597 56.514584403352785 30.506745473805154 -59.091970039510564 71.84277589271971 19.76353108793583 -91.8536661164411 40.816699687526665 -21.748497105449943 |
|||
-27.5825703719821 53.214916716795955 -61.44933421266386 20.989386576244158 -24.843533806184 2.4650376444985937 -0.29689732809508484 55.50645331498691 8.8740605620345 -28.54555837388824 13.145594138401819 -46.47735662932331 39.9629198654433 79.42291665639041 25.303875365553168 -14.655837219569023 30.906194664906167 12.157593370420656 13.711383434444585 77.62256423702749 |
|||
5.65242025763699 83.7415139866441 -15.5829142912266 42.70513599117206 6.0108536217851025 67.65052517545206 -17.293198665435725 -11.579274485730991 -91.6883919961893 33.483892852094584 -82.26997555133242 -13.90977123378643 8.832753150101368 -52.315593898537394 19.00713120154056 99.74634572689772 32.00440579695595 -25.07610596982819 -33.57536049014007 60.99259101135044 |
|||
|
|||
|
|||
@ -0,0 +1,12 @@ |
|||
82.38917250140915 66.46799821137029 -73.97365545078824 -95.31921313337975 -21.846680846362403 24.88547007112365 -25.865299859546667 10.336949242478795 -1.8972305626745083 -58.69281090645184 40.59540633021413 29.366537108425774 -65.555416486013 58.33261150589951 -21.512984674665134 -60.05349816749461 -71.69576759012608 -28.329728816399566 58.99962297286575 -58.13813415200328 |
|||
-92.50717807374093 -82.70625429017943 -20.410516251452208 25.9852497102478 -13.074424970502463 -75.81380264681468 65.67168308152634 -77.22426410465941 -44.37656310765219 -88.85362200162008 -3.869540413370487 24.773907077654613 63.487545256790355 78.19931976538115 50.30949949551953 53.26517926577674 16.544000743427063 71.47522896677881 47.77740999067842 -29.271187577378967 |
|||
-8.885651979830001 -15.009550413900527 32.046301346908564 -71.61457727836635 -14.6251745645027 -96.41542712163911 -64.4456874994869 82.10096455940729 -58.97460739147273 -11.661722888831434 -44.394362691753344 -89.89937133484982 -11.702766674811272 59.11653188176288 -30.405475164252323 22.39129523094232 94.28537645748202 38.452366418243145 22.722434197133154 -35.51347099206336 |
|||
-72.39925296033682 86.80656289020808 -67.44960471721876 -13.026515416896345 91.59389848364387 -18.691036760387277 -27.88853255404662 -22.34376663235838 23.91043816114275 68.40744026653786 16.940882641757 -65.54443899898625 11.895885273301388 -44.57909383901271 71.2644337972327 94.94039533986543 -68.62426222347332 -3.187092927585482 -75.28163396436153 -67.68852908196209 |
|||
80.59404861191172 -21.927115687319628 33.35685607311282 77.85305544886839 51.601887517862934 3.4122905747095302 -32.66398661676185 36.313965885768795 -41.855322967675626 53.05321393909486 -77.45385402005236 -76.62565696500063 -77.89465840528247 -8.292657315637712 54.596812842423816 -26.700011954666138 -90.18206036502391 -18.086466524875647 -39.05799437730564 40.081375053902434 |
|||
5.074311855252006 84.22251608410437 -89.43434460315265 -53.20018066807546 7.404021249266805 -89.21248946077878 0.5304325953368902 -74.34152108887051 52.215785748562354 -60.26002900699521 -95.17438985467528 -64.93872162910426 -36.35370747867126 94.79990831767964 73.33262704119048 -59.681867558485415 71.47018389311609 47.89051587365097 -62.640271686852664 -98.99985453928473 |
|||
50.182784823566294 12.097252271380526 83.07996571154416 20.66374964705308 -28.62505608952776 -41.86824532182081 65.33953691596301 -16.391857185520237 -0.22278619568626823 9.531285197122358 -48.313630271303175 28.525617385790497 8.858317928527441 50.144728875588044 10.101574486784415 -9.650330173214215 43.62081402240824 -87.97346348859674 -16.200725704789278 79.30124722603097 |
|||
16.244528852441675 -97.31979682308949 -67.40689255497901 -39.92144949778462 84.48620911351529 77.66323402191361 62.7104659606772 44.331368682216066 33.25168158596264 -32.114028882470876 -84.43158620923647 16.006065827914597 56.514584403352785 30.506745473805154 -59.091970039510564 71.84277589271971 19.76353108793583 -91.8536661164411 40.816699687526665 -21.748497105449943 |
|||
-27.5825703719821 53.214916716795955 -61.44933421266386 20.989386576244158 -24.843533806184 2.4650376444985937 -0.29689732809508484 55.50645331498691 8.8740605620345 -28.54555837388824 13.145594138401819 -46.47735662932331 39.9629198654433 79.42291665639041 25.303875365553168 -14.655837219569023 30.906194664906167 12.157593370420656 13.711383434444585 77.62256423702749 |
|||
5.65242025763699 83.7415139866441 -15.5829142912266 42.70513599117206 6.0108536217851025 67.65052517545206 -17.293198665435725 -11.579274485730991 -91.6883919961893 33.483892852094584 -82.26997555133242 -13.90977123378643 8.832753150101368 -52.315593898537394 19.00713120154056 99.74634572689772 32.00440579695595 -25.07610596982819 -33.57536049014007 60.99259101135044 |
|||
|
|||
|
|||
@ -0,0 +1,121 @@ |
|||
// <copyright file="ArrayClass.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
//
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
//
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Common.IO.Matlab |
|||
{ |
|||
/// <summary>
|
|||
/// Enumeration for the Matlab array types
|
|||
/// </summary>
|
|||
internal enum ArrayClass : byte |
|||
{ |
|||
/// <summary>
|
|||
/// mxUNKNOWN CLASS
|
|||
/// </summary>
|
|||
Unknown = 0, |
|||
|
|||
/// <summary>
|
|||
/// mxCELL CLASS
|
|||
/// </summary>
|
|||
Cell = 1, |
|||
|
|||
/// <summary>
|
|||
/// mxSTRUCT CLASS
|
|||
/// </summary>
|
|||
Structure = 2, |
|||
|
|||
/// <summary>
|
|||
/// mxOBJECT CLASS
|
|||
/// </summary>
|
|||
Object = 3, |
|||
|
|||
/// <summary>
|
|||
/// mxCHAR CLASS
|
|||
/// </summary>
|
|||
Character = 4, |
|||
|
|||
/// <summary>
|
|||
/// mxSPARSE CLASS
|
|||
/// </summary>
|
|||
Sparse = 5, |
|||
|
|||
/// <summary>
|
|||
/// mxDOUBLE CLASS
|
|||
/// </summary>
|
|||
Double = 6, |
|||
|
|||
/// <summary>
|
|||
/// mxSINGLE CLASS
|
|||
/// </summary>
|
|||
Single = 7, |
|||
|
|||
/// <summary>
|
|||
/// mxINT8 CLASS
|
|||
/// </summary>
|
|||
Int8 = 8, |
|||
|
|||
/// <summary>
|
|||
/// mxUINT8 CLASS
|
|||
/// </summary>
|
|||
UInt8 = 9, |
|||
|
|||
/// <summary>
|
|||
/// mxINT16 CLASS
|
|||
/// </summary>
|
|||
Int16 = 10, |
|||
|
|||
/// <summary>
|
|||
/// mxUINT16 CLASS
|
|||
/// </summary>
|
|||
UInt16 = 11, |
|||
|
|||
/// <summary>
|
|||
/// mxINT32 CLASS
|
|||
/// </summary>
|
|||
Int32 = 12, |
|||
|
|||
/// <summary>
|
|||
/// mxUINT32 CLASS
|
|||
/// </summary>
|
|||
UInt32 = 13, |
|||
|
|||
/// <summary>
|
|||
/// mxINT64 CLASS
|
|||
/// </summary>
|
|||
Int64 = 14, |
|||
|
|||
/// <summary>
|
|||
/// mxUINT64 CLASS
|
|||
/// </summary>
|
|||
UInt64 = 15, |
|||
|
|||
/// <summary>
|
|||
/// mxFUNCTION CLASS
|
|||
/// </summary>
|
|||
Function = 16 |
|||
} |
|||
} |
|||
@ -0,0 +1,54 @@ |
|||
// <copyright file="ArrayFlags.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
//
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
//
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Common.IO.Matlab |
|||
{ |
|||
using System; |
|||
|
|||
/// <summary>
|
|||
/// Matlab Array Flags
|
|||
/// </summary>
|
|||
[Flags] |
|||
internal enum ArrayFlags |
|||
{ |
|||
/// <summary>
|
|||
/// Complex flag
|
|||
/// </summary>
|
|||
Complex = 8, |
|||
|
|||
/// <summary>
|
|||
/// Global flag
|
|||
/// </summary>
|
|||
Global = 4, |
|||
|
|||
/// <summary>
|
|||
/// Logical flag
|
|||
/// </summary>
|
|||
Logical = 2 |
|||
} |
|||
} |
|||
@ -0,0 +1,116 @@ |
|||
// <copyright file="DataType.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
//
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
//
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Common.IO.Matlab |
|||
{ |
|||
/// <summary>
|
|||
/// Matlab data types
|
|||
/// </summary>
|
|||
internal enum DataType |
|||
{ |
|||
/// <summary>
|
|||
/// Unkown type
|
|||
/// </summary>
|
|||
Unknown = 0, |
|||
|
|||
/// <summary>
|
|||
/// miINT8 type
|
|||
/// </summary>
|
|||
Int8 = 1, |
|||
|
|||
/// <summary>
|
|||
/// miUINT8 type
|
|||
/// </summary>
|
|||
UInt8 = 2, |
|||
|
|||
/// <summary>
|
|||
/// miINT16 type
|
|||
/// </summary>
|
|||
Int16 = 3, |
|||
|
|||
/// <summary>
|
|||
/// miUINT16 type
|
|||
/// </summary>
|
|||
UInt16 = 4, |
|||
|
|||
/// <summary>
|
|||
/// miINT32 type
|
|||
/// </summary>
|
|||
Int32 = 5, |
|||
|
|||
/// <summary>
|
|||
/// miUINT32 type
|
|||
/// </summary>
|
|||
UInt32 = 6, |
|||
|
|||
/// <summary>
|
|||
/// miSINGLE type
|
|||
/// </summary>
|
|||
Single = 7, |
|||
|
|||
/// <summary>
|
|||
/// miDOUBLE type
|
|||
/// </summary>
|
|||
Double = 9, |
|||
|
|||
/// <summary>
|
|||
/// miINT64 type
|
|||
/// </summary>
|
|||
Int64 = 12, |
|||
|
|||
/// <summary>
|
|||
/// miUINT6 4type
|
|||
/// </summary>
|
|||
UInt64 = 13, |
|||
|
|||
/// <summary>
|
|||
/// miMATRIX type
|
|||
/// </summary>
|
|||
Matrix = 14, |
|||
|
|||
/// <summary>
|
|||
/// miCOMPRESSED type
|
|||
/// </summary>
|
|||
Compressed = 15, |
|||
|
|||
/// <summary>
|
|||
/// miUTF8 type
|
|||
/// </summary>
|
|||
Utf8 = 16, |
|||
|
|||
/// <summary>
|
|||
/// miUTF16 type
|
|||
/// </summary>
|
|||
Utf16 = 17, |
|||
|
|||
/// <summary>
|
|||
/// miUTF32 type
|
|||
/// </summary>
|
|||
Utf32 = 18 |
|||
} |
|||
} |
|||
@ -0,0 +1,218 @@ |
|||
// <copyright file="MatlabFile.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
//
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
//
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Double.IO.Matlab |
|||
{ |
|||
using System.Collections.Generic; |
|||
|
|||
/// <summary>
|
|||
/// Represents a Matlab file
|
|||
/// </summary>
|
|||
internal class MatlabFile |
|||
{ |
|||
/// <summary>
|
|||
/// Matrices in a matlab file stored as 1-D arrays
|
|||
/// </summary>
|
|||
private readonly IDictionary<string, Matrix> _matrices = new SortedList<string, Matrix>(); |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the header text.
|
|||
/// </summary>
|
|||
/// <value>The header text.</value>
|
|||
public string HeaderText { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the first name of the matrix.
|
|||
/// </summary>
|
|||
/// <value>The first name of the matrix.</value>
|
|||
public string FirstMatrixName { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the first matrix.
|
|||
/// </summary>
|
|||
/// <value>The first matrix.</value>
|
|||
public Matrix FirstMatrix |
|||
{ |
|||
get |
|||
{ |
|||
if (string.IsNullOrEmpty(FirstMatrixName) || !_matrices.ContainsKey(FirstMatrixName)) |
|||
{ |
|||
return null; |
|||
} |
|||
|
|||
return _matrices[FirstMatrixName]; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the matrices.
|
|||
/// </summary>
|
|||
/// <value>The matrices.</value>
|
|||
public IDictionary<string, Matrix> Matrices |
|||
{ |
|||
get { return _matrices; } |
|||
} |
|||
} |
|||
|
|||
/* |
|||
/// <summary>
|
|||
/// An
|
|||
/// </summary>
|
|||
/// <typeparam name="T"></typeparam>
|
|||
/// <typeparam name="K"></typeparam>
|
|||
internal class ListDictionary<T, K> : IDictionary<T, K> |
|||
{ |
|||
private readonly IList<T> _keys = new List<T>(); |
|||
private readonly IList<K> _values = new List<K>(); |
|||
|
|||
public void Add(T key, K value) |
|||
{ |
|||
_keys.Add(key); |
|||
_values.Add(value); |
|||
} |
|||
|
|||
public bool ContainsKey(T key) |
|||
{ |
|||
return _keys.Contains(key); |
|||
} |
|||
|
|||
public ICollection<T> Keys |
|||
{ |
|||
get { return _keys; } |
|||
} |
|||
|
|||
public bool Remove(T key) |
|||
{ |
|||
if (_keys.Contains(key)) |
|||
{ |
|||
int pos = _keys.IndexOf(key); |
|||
_values.RemoveAt(pos); |
|||
_values.RemoveAt(pos); |
|||
return true; |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
public bool TryGetValue(T key, out K value) |
|||
{ |
|||
if (_keys.Contains(key)) |
|||
{ |
|||
value = _values[_keys.IndexOf(key)]; |
|||
return true; |
|||
} |
|||
value = default(K); |
|||
return false; |
|||
} |
|||
|
|||
public ICollection<K> Values |
|||
{ |
|||
get { return _values; } |
|||
} |
|||
|
|||
public K this[T key] |
|||
{ |
|||
get |
|||
{ |
|||
if (_keys.Contains(key)) |
|||
{ |
|||
return _values[_keys.IndexOf(key)]; |
|||
} |
|||
throw new KeyNotFoundException(); |
|||
} |
|||
set |
|||
{ |
|||
if (_keys.Contains(key)) |
|||
{ |
|||
_values[_keys.IndexOf(key)] = value; |
|||
} |
|||
else |
|||
{ |
|||
Add(key, value); |
|||
} |
|||
} |
|||
} |
|||
|
|||
public void Add(KeyValuePair<T, K> item) |
|||
{ |
|||
Add(item.Key, item.Value); |
|||
} |
|||
|
|||
public void Clear() |
|||
{ |
|||
_keys.Clear(); |
|||
_values.Clear(); |
|||
} |
|||
|
|||
public bool Contains(KeyValuePair<T, K> item) |
|||
{ |
|||
return _keys.Contains(item.Key) && _values[_keys.IndexOf(item.Key)].Equals(item.Value); |
|||
} |
|||
|
|||
public void CopyTo(KeyValuePair<T, K>[] array, int arrayIndex) |
|||
{ |
|||
for (int i = 0; i < _keys.Count; i++) |
|||
{ |
|||
array[arrayIndex + i] = new KeyValuePair<T, K>(_keys[i], _values[i]); |
|||
} |
|||
} |
|||
|
|||
public int Count |
|||
{ |
|||
get { return _keys.Count; } |
|||
} |
|||
|
|||
public bool IsReadOnly |
|||
{ |
|||
get { return false; } |
|||
} |
|||
|
|||
public bool Remove(KeyValuePair<T, K> item) |
|||
{ |
|||
if (Contains(item)) |
|||
{ |
|||
Remove(item.Key); |
|||
return true; |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
public IEnumerator<KeyValuePair<T, K>> GetEnumerator() |
|||
{ |
|||
for (int i = 0; i < _keys.Count; i++) |
|||
{ |
|||
yield return new KeyValuePair<T, K>(_keys[i], _values[i]); |
|||
} |
|||
} |
|||
|
|||
IEnumerator IEnumerable.GetEnumerator() |
|||
{ |
|||
return GetEnumerator(); |
|||
} |
|||
|
|||
}*/ |
|||
} |
|||
@ -0,0 +1,535 @@ |
|||
// <copyright file="MatlabParser.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Double.IO.Matlab |
|||
{ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.IO; |
|||
using System.Text; |
|||
using Common.IO.Matlab; |
|||
using Properties; |
|||
using zlib; |
|||
|
|||
/// <summary>
|
|||
/// Parse a Matlab file
|
|||
/// </summary>
|
|||
internal class MatlabParser |
|||
{ |
|||
/// <summary>
|
|||
/// Large Block Size
|
|||
/// </summary>
|
|||
private const int LargeBlockSize = 8; |
|||
|
|||
/// <summary>
|
|||
/// Little Endian Indicator
|
|||
/// </summary>
|
|||
private const byte LittleEndianIndicator = 0x49; |
|||
|
|||
/// <summary>
|
|||
/// Small Block Size
|
|||
/// </summary>
|
|||
private const int SmallBlockSize = 4; |
|||
|
|||
/// <summary>
|
|||
/// Holds the names of the matrices in the file.
|
|||
/// </summary>
|
|||
private readonly IList<string> _names = new List<string>(); |
|||
|
|||
/// <summary>
|
|||
/// The stream to read the matlab file from.
|
|||
/// </summary>
|
|||
private readonly Stream _stream; |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabParser"/> class.
|
|||
/// </summary>
|
|||
/// <param name="fileName">Name of the file.</param>
|
|||
public MatlabParser(string fileName) |
|||
: this(fileName, new string[0]) |
|||
{ |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabParser"/> class.
|
|||
/// </summary>
|
|||
/// <param name="stream">The stream to read from.</param>
|
|||
public MatlabParser(Stream stream) |
|||
: this(stream, new string[0]) |
|||
{ |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabParser"/> class.
|
|||
/// </summary>
|
|||
/// <param name="stream">The stream to read from.</param>
|
|||
/// <param name="objectNames">The name of the objects to retrieve.</param>
|
|||
public MatlabParser(Stream stream, IEnumerable<string> objectNames) |
|||
{ |
|||
if (stream == null) |
|||
{ |
|||
throw new ArgumentNullException("stream"); |
|||
} |
|||
|
|||
_stream = stream; |
|||
SetNames(objectNames); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabParser"/> class.
|
|||
/// </summary>
|
|||
/// <param name="fileName">Name of the file.</param>
|
|||
/// <param name="objectNames">The name of the objects to retrieve.</param>
|
|||
public MatlabParser(string fileName, IEnumerable<string> objectNames) |
|||
{ |
|||
if (string.IsNullOrEmpty(fileName)) |
|||
{ |
|||
throw new ArgumentException(Resources.StringNullOrEmpty, "filename"); |
|||
} |
|||
|
|||
_stream = File.OpenRead(fileName); |
|||
SetNames(objectNames); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Copies the names of the objects to retrieve to a local field.
|
|||
/// </summary>
|
|||
/// <param name="objectNames">The name of the objects to retrieve.</param>
|
|||
private void SetNames(IEnumerable<string> objectNames) |
|||
{ |
|||
foreach (var name in objectNames) |
|||
{ |
|||
_names.Add(name); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Parses the file.
|
|||
/// </summary>
|
|||
/// <returns>The parsed Matlab file as a <see cref="MatlabFile"/> object.</returns>
|
|||
public MatlabFile Parse() |
|||
{ |
|||
var file = new MatlabFile(); |
|||
|
|||
using (var reader = new BinaryReader(_stream)) |
|||
{ |
|||
file.HeaderText = Encoding.ASCII.GetString(reader.ReadBytes(116)); |
|||
|
|||
// skipping subsystem offsets
|
|||
reader.BaseStream.Position = 126; |
|||
|
|||
if (reader.ReadByte() != LittleEndianIndicator) |
|||
{ |
|||
throw new NotSupportedException(Resources.BigEndianNotSupported); |
|||
} |
|||
|
|||
// skip version since it is always 0x0100.
|
|||
reader.BaseStream.Position = 128; |
|||
var length = _stream.Length; |
|||
|
|||
// for each data block add a matlab object to the file.
|
|||
while (reader.BaseStream.Position < length) |
|||
{ |
|||
var type = (DataType)reader.ReadInt16(); |
|||
int size = reader.ReadInt16(); |
|||
var smallBlock = true; |
|||
if (size == 0) |
|||
{ |
|||
size = reader.ReadInt32(); |
|||
smallBlock = false; |
|||
} |
|||
|
|||
byte[] data; |
|||
if (type == DataType.Compressed) |
|||
{ |
|||
data = DecompressBlock(reader.ReadBytes(size), ref type); |
|||
} |
|||
else |
|||
{ |
|||
data = new byte[size]; |
|||
reader.Read(data, 0, size); |
|||
AlignData(reader.BaseStream, size, smallBlock); |
|||
} |
|||
|
|||
if (type == DataType.Matrix) |
|||
{ |
|||
AddMatrix(data, file); |
|||
} |
|||
else |
|||
{ |
|||
throw new NotSupportedException(string.Format(Resources.NotSupportedType, type)); |
|||
} |
|||
} |
|||
} |
|||
|
|||
return file; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Aligns the data.
|
|||
/// </summary>
|
|||
/// <param name="stream">The stream.</param>
|
|||
/// <param name="size">The size of the array.</param>
|
|||
/// <param name="smallBlock">if set to <c>true</c> if reading from a small block.</param>
|
|||
private static void AlignData(Stream stream, int size, bool smallBlock) |
|||
{ |
|||
var blockSize = smallBlock ? SmallBlockSize : LargeBlockSize; |
|||
var offset = 0; |
|||
var mod = size % blockSize; |
|||
if (mod != 0) |
|||
{ |
|||
offset = blockSize - mod; |
|||
} |
|||
|
|||
stream.Seek(offset, SeekOrigin.Current); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Decompresses the block.
|
|||
/// </summary>
|
|||
/// <param name="compressed">The compressed data.</param>
|
|||
/// <param name="type">The type data type contained in the block.</param>
|
|||
/// <returns>The decompressed block.</returns>
|
|||
private static byte[] DecompressBlock(byte[] compressed, ref DataType type) |
|||
{ |
|||
byte[] data; |
|||
using (var decompressed = new MemoryStream()) |
|||
{ |
|||
using (var decompressor = new ZOutputStream(decompressed)) |
|||
{ |
|||
decompressor.Write(compressed, 0, compressed.Length); |
|||
decompressed.Position = 0; |
|||
var buf = new byte[4]; |
|||
decompressed.Read(buf, 0, 4); |
|||
type = (DataType)BitConverter.ToInt32(buf, 0); |
|||
decompressed.Read(buf, 0, 4); |
|||
var size = BitConverter.ToInt32(buf, 0); |
|||
data = new byte[size]; |
|||
decompressed.Read(data, 0, size); |
|||
} |
|||
} |
|||
|
|||
return data; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Adds a matrix from the actual file into our presentation of a matlab file.
|
|||
/// </summary>
|
|||
/// <param name="data">The data of the matrix.</param>
|
|||
/// <param name="file">The <see cref="MatlabFile"/> instance.</param>
|
|||
private void AddMatrix(byte[] data, MatlabFile file) |
|||
{ |
|||
using (var ms = new MemoryStream(data)) |
|||
{ |
|||
using (var reader = new BinaryReader(ms)) |
|||
{ |
|||
// skip tag - doesn't tell us anything we don't already know
|
|||
reader.BaseStream.Seek(8, SeekOrigin.Current); |
|||
|
|||
var arrayClass = (ArrayClass)reader.ReadByte(); |
|||
var flags = reader.ReadByte(); |
|||
var isComplex = (flags & (byte)ArrayFlags.Complex) == (byte)ArrayFlags.Complex; |
|||
|
|||
if (isComplex) |
|||
{ |
|||
throw new NotSupportedException(Resources.ComplexMatricesNotSupported); |
|||
} |
|||
|
|||
// skip unneeded bytes
|
|||
reader.BaseStream.Seek(10, SeekOrigin.Current); |
|||
|
|||
var numDimensions = reader.ReadInt32() / 8; |
|||
if (numDimensions > 2) |
|||
{ |
|||
throw new NotSupportedException(Resources.MoreThan2D); |
|||
} |
|||
|
|||
var rows = reader.ReadInt32(); |
|||
var columns = reader.ReadInt32(); |
|||
|
|||
// skip unneeded bytes
|
|||
reader.BaseStream.Seek(2, SeekOrigin.Current); |
|||
int size = reader.ReadInt16(); |
|||
var smallBlock = true; |
|||
if (size == 0) |
|||
{ |
|||
size = reader.ReadInt32(); |
|||
smallBlock = false; |
|||
} |
|||
|
|||
var name = Encoding.ASCII.GetString(reader.ReadBytes(size)); |
|||
AlignData(reader.BaseStream, size, smallBlock); |
|||
|
|||
// only grab wanted objects
|
|||
if (_names.Count != 0 && !_names.Contains(name)) |
|||
{ |
|||
return; |
|||
} |
|||
|
|||
var type = (DataType)reader.ReadInt16(); |
|||
size = reader.ReadInt16(); |
|||
if (size == 0) |
|||
{ |
|||
size = reader.ReadInt32(); |
|||
} |
|||
|
|||
Matrix matrix; |
|||
switch (arrayClass) |
|||
{ |
|||
case ArrayClass.Sparse: |
|||
matrix = PopulateSparseMatrix(reader, rows, columns, size); |
|||
break; |
|||
case ArrayClass.Function: |
|||
case ArrayClass.Character: |
|||
case ArrayClass.Object: |
|||
case ArrayClass.Structure: |
|||
case ArrayClass.Cell: |
|||
case ArrayClass.Unknown: |
|||
throw new NotImplementedException(); |
|||
default: |
|||
matrix = PopulateDenseMatrix(type, reader, rows, columns); |
|||
break; |
|||
} |
|||
|
|||
file.Matrices.Add(name, matrix); |
|||
if (file.FirstMatrixName == null) |
|||
{ |
|||
file.FirstMatrixName = name; |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Populates a sparse matrix.
|
|||
/// </summary>
|
|||
/// <param name="reader">The reader.</param>
|
|||
/// <param name="rows">The number of rows.</param>
|
|||
/// <param name="columns">The number of columns.</param>
|
|||
/// <param name="size">The size of the block.</param>
|
|||
/// <returns>A populated sparse matrix.</returns>
|
|||
private static Matrix PopulateSparseMatrix(BinaryReader reader, int rows, int columns, int size) |
|||
{ |
|||
// populate the row data array
|
|||
var ir = new int[size / 4]; |
|||
for (var i = 0; i < ir.Length; i++) |
|||
{ |
|||
ir[i] = reader.ReadInt32(); |
|||
} |
|||
|
|||
AlignData(reader.BaseStream, size, false); |
|||
|
|||
// skip data type since it will always be int32
|
|||
reader.BaseStream.Seek(4, SeekOrigin.Current); |
|||
|
|||
// populate the column data array
|
|||
var jcsize = reader.ReadInt32(); |
|||
var jc = new int[jcsize / 4]; |
|||
for (var j = 0; j < jc.Length; j++) |
|||
{ |
|||
jc[j] = reader.ReadInt32(); |
|||
} |
|||
|
|||
AlignData(reader.BaseStream, jcsize, false); |
|||
|
|||
var type = (DataType)reader.ReadInt32(); |
|||
|
|||
// skip length since we already no it for the number of rows
|
|||
reader.BaseStream.Seek(4, SeekOrigin.Current); |
|||
|
|||
Matrix matrix = new SparseMatrix(rows, columns); |
|||
var col = 0; |
|||
for (var i = 0; i < ir.Length; i++) |
|||
{ |
|||
var row = ir[i]; |
|||
if (jc[col + 1] == i) |
|||
{ |
|||
col++; |
|||
} |
|||
|
|||
switch (type) |
|||
{ |
|||
case DataType.Int8: |
|||
matrix[row, col] = reader.ReadSByte(); |
|||
break; |
|||
case DataType.UInt8: |
|||
matrix[row, col] = reader.ReadByte(); |
|||
break; |
|||
case DataType.Int16: |
|||
matrix[row, col] = reader.ReadInt16(); |
|||
break; |
|||
|
|||
case DataType.UInt16: |
|||
matrix[row, col] = reader.ReadUInt16(); |
|||
break; |
|||
case DataType.Int32: |
|||
matrix[row, col] = reader.ReadInt32(); |
|||
break; |
|||
|
|||
case DataType.UInt32: |
|||
matrix[row, col] = reader.ReadUInt32(); |
|||
break; |
|||
case DataType.Single: |
|||
matrix[row, col] = reader.ReadSingle(); |
|||
break; |
|||
case DataType.Int64: |
|||
matrix[row, col] = reader.ReadInt64(); |
|||
break; |
|||
case DataType.UInt64: |
|||
matrix[row, col] = reader.ReadUInt64(); |
|||
break; |
|||
case DataType.Double: |
|||
matrix[row, col] = reader.ReadDouble(); |
|||
break; |
|||
default: |
|||
throw new NotSupportedException(); |
|||
} |
|||
} |
|||
|
|||
return matrix; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Populates a dense matrix.
|
|||
/// </summary>
|
|||
/// <param name="type">The type of data.</param>
|
|||
/// <param name="reader">The reader.</param>
|
|||
/// <param name="rows">The number of rows.</param>
|
|||
/// <param name="columns">The number of columns.</param>
|
|||
/// <returns>Returns a populated dense matrix.</returns>
|
|||
private static Matrix PopulateDenseMatrix(DataType type, BinaryReader reader, int rows, int columns) |
|||
{ |
|||
Matrix matrix = new DenseMatrix(rows, columns); |
|||
switch (type) |
|||
{ |
|||
case DataType.Int8: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadSByte(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.UInt8: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadByte(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.Int16: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadInt16(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.UInt16: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadUInt16(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.Int32: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadInt32(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.UInt32: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadUInt32(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.Single: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadSingle(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.Int64: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadInt64(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.UInt64: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadUInt64(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
case DataType.Double: |
|||
for (var j = 0; j < columns; j++) |
|||
{ |
|||
for (var i = 0; i < rows; i++) |
|||
{ |
|||
matrix[i, j] = reader.ReadDouble(); |
|||
} |
|||
} |
|||
|
|||
break; |
|||
default: |
|||
throw new NotSupportedException(); |
|||
} |
|||
|
|||
return matrix; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,189 @@ |
|||
// <copyright file="MatlabReader.cs" company="Math.NET">
|
|||
// Math.NET Numerics, part of the Math.NET Project
|
|||
// http://numerics.mathdotnet.com
|
|||
// http://github.com/mathnet/mathnet-numerics
|
|||
// http://mathnetnumerics.codeplex.com
|
|||
//
|
|||
// Copyright (c) 2009-2010 Math.NET
|
|||
//
|
|||
// Permission is hereby granted, free of charge, to any person
|
|||
// obtaining a copy of this software and associated documentation
|
|||
// files (the "Software"), to deal in the Software without
|
|||
// restriction, including without limitation the rights to use,
|
|||
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|||
// copies of the Software, and to permit persons to whom the
|
|||
// Software is furnished to do so, subject to the following
|
|||
// conditions:
|
|||
// The above copyright notice and this permission notice shall be
|
|||
// included in all copies or substantial portions of the Software.
|
|||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|||
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|||
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|||
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|||
// OTHER DEALINGS IN THE SOFTWARE.
|
|||
// </copyright>
|
|||
|
|||
namespace MathNet.Numerics.LinearAlgebra.Double.IO |
|||
{ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.IO; |
|||
using Matlab; |
|||
using Properties; |
|||
|
|||
/// <summary>
|
|||
/// Creates matrices from Matlab files.
|
|||
/// </summary>
|
|||
public class MatlabMatrixReader |
|||
{ |
|||
/// <summary>
|
|||
/// The name of the file to read from.
|
|||
/// </summary>
|
|||
private readonly string _filename; |
|||
|
|||
/// <summary>
|
|||
/// The stream to read from if we are not reading from a file directly.
|
|||
/// </summary>
|
|||
private readonly Stream _stream; |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabMatrixReader"/> class.
|
|||
/// </summary>
|
|||
/// <param name="filename">Name of the file to read matrices from.</param>
|
|||
public MatlabMatrixReader(string filename) |
|||
{ |
|||
if (string.IsNullOrEmpty(filename)) |
|||
{ |
|||
throw new ArgumentException(Resources.StringNullOrEmpty, "filename"); |
|||
} |
|||
|
|||
if (!File.Exists(filename)) |
|||
{ |
|||
throw new FileNotFoundException(Resources.FileDoesNotExist, "filename"); |
|||
} |
|||
|
|||
_filename = filename; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the <see cref="MatlabMatrixReader"/> class.
|
|||
/// </summary>
|
|||
/// <param name="stream">The stream to reader matrices from.</param>
|
|||
public MatlabMatrixReader(Stream stream) |
|||
{ |
|||
if (stream == null) |
|||
{ |
|||
throw new ArgumentNullException("stream"); |
|||
} |
|||
|
|||
_stream = stream; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Reads the first matrix from the file or stream.
|
|||
/// </summary>
|
|||
/// <returns>
|
|||
/// If the matrix is stored as a sparse matrix, then a <see cref="SparseMatrix"/> is returned. Otherwise, a <see cref="DenseMatrix"/>
|
|||
/// is returned.
|
|||
/// </returns>
|
|||
public Matrix ReadMatrix() |
|||
{ |
|||
return ReadMatrix(null); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Reads the named matrix from the file or stream.
|
|||
/// </summary>
|
|||
/// <param name="matrixName">The name of the matrix to read.</param>
|
|||
/// <returns>
|
|||
/// If the matrix is stored as a sparse matrix, then a <see cref="SparseMatrix"/> is returned. Otherwise, a <see cref="DenseMatrix"/>
|
|||
/// is returned. <see langword="null"/> is returned if a matrix with the requests name doesn't exist.
|
|||
/// </returns>
|
|||
public Matrix ReadMatrix(string matrixName) |
|||
{ |
|||
Stream stream; |
|||
if (_filename == null) |
|||
{ |
|||
stream = _stream; |
|||
_stream.Seek(0, SeekOrigin.Begin); |
|||
} |
|||
else |
|||
{ |
|||
stream = new FileStream(_filename, FileMode.Open, FileAccess.Read); |
|||
} |
|||
|
|||
var names = string.IsNullOrEmpty(matrixName) ? new string[] { } : new[] { matrixName }; |
|||
var parser = new MatlabParser(stream, names); |
|||
var file = parser.Parse(); |
|||
|
|||
Matrix matrix = null; |
|||
if (string.IsNullOrEmpty(matrixName)) |
|||
{ |
|||
matrix = file.FirstMatrix; |
|||
} |
|||
else if (file.Matrices.ContainsKey(matrixName)) |
|||
{ |
|||
matrix = file.Matrices[matrixName]; |
|||
} |
|||
|
|||
if (_filename != null) |
|||
{ |
|||
stream.Close(); |
|||
stream.Dispose(); |
|||
} |
|||
|
|||
return matrix; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Reads all matrices from the file or stream.
|
|||
/// </summary>
|
|||
/// <returns>All matrices from the file or stream.</returns>
|
|||
public Matrix[] ReadMatrices() |
|||
{ |
|||
return ReadMatrices(new string[] { }); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Reads the named matrices from the file or stream.
|
|||
/// </summary>
|
|||
/// <param name="names">The names of the matrices to retrieve.</param>
|
|||
/// <returns>
|
|||
/// The named matrices from the file or stream.
|
|||
/// </returns>
|
|||
public Matrix[] ReadMatrices(IEnumerable<string> names) |
|||
{ |
|||
Stream stream; |
|||
if (_filename == null) |
|||
{ |
|||
stream = _stream; |
|||
_stream.Seek(0, SeekOrigin.Begin); |
|||
} |
|||
else |
|||
{ |
|||
stream = new BufferedStream(new FileStream(_filename, FileMode.Open, FileAccess.Read)); |
|||
} |
|||
|
|||
var parser = new MatlabParser(stream, names); |
|||
var file = parser.Parse(); |
|||
|
|||
var matrices = new Matrix[file.Matrices.Count]; |
|||
var i = 0; |
|||
foreach (var matrix in file.Matrices.Values) |
|||
{ |
|||
matrices[i++] = matrix; |
|||
} |
|||
|
|||
if (_filename != null) |
|||
{ |
|||
stream.Close(); |
|||
stream.Dispose(); |
|||
} |
|||
|
|||
return matrices; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,70 @@ |
|||
|
|||
namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Double.IO |
|||
{ |
|||
using LinearAlgebra.Double; |
|||
using LinearAlgebra.Double.IO; |
|||
using MbUnit.Framework; |
|||
|
|||
[TestFixture] |
|||
public class MatlabMatrixReaderTest |
|||
{ |
|||
[Test] |
|||
public void CanReadAllMatrices() |
|||
{ |
|||
var dmr = new MatlabMatrixReader("./data/Matlab/collection.mat"); |
|||
var matrices = dmr.ReadMatrices(); |
|||
Assert.AreEqual(30, matrices.Length); |
|||
foreach (var matrix in matrices) |
|||
{ |
|||
Assert.AreEqual(typeof(DenseMatrix), matrix.GetType()); |
|||
} |
|||
} |
|||
|
|||
[Test] |
|||
public void CanReadFirstMatrix() |
|||
{ |
|||
var dmr = new MatlabMatrixReader("./data/Matlab/A.mat"); |
|||
var matrix = dmr.ReadMatrix(); |
|||
Assert.AreEqual(100, matrix.RowCount); |
|||
Assert.AreEqual(100, matrix.ColumnCount); |
|||
Assert.AreEqual(typeof(DenseMatrix), matrix.GetType()); |
|||
AssertHelpers.AlmostEqual(100.108979553704, matrix.FrobeniusNorm(), 13); |
|||
} |
|||
|
|||
|
|||
[Test] |
|||
public void CanReadNamedMatrices() |
|||
{ |
|||
var dmr = new MatlabMatrixReader("./data/Matlab/collection.mat"); |
|||
var matrices = dmr.ReadMatrices(new[] { "Ad", "Au64" }); |
|||
Assert.AreEqual(2, matrices.Length); |
|||
foreach (var matrix in matrices) |
|||
{ |
|||
Assert.AreEqual(typeof(DenseMatrix), matrix.GetType()); |
|||
} |
|||
} |
|||
|
|||
[Test] |
|||
public void CanReadNamedMatrix() |
|||
{ |
|||
var dmr = new MatlabMatrixReader("./data/Matlab/collection.mat"); |
|||
var matrices = dmr.ReadMatrices(new[] { "Ad" }); |
|||
Assert.AreEqual(1, matrices.Length); |
|||
Assert.AreEqual(100, matrices[0].RowCount); |
|||
Assert.AreEqual(100, matrices[0].ColumnCount); |
|||
AssertHelpers.AlmostEqual(100.431635988639, matrices[0].FrobeniusNorm(), 13); |
|||
Assert.AreEqual(typeof(DenseMatrix), matrices[0].GetType()); |
|||
} |
|||
|
|||
[Test] |
|||
public void CanReadNamedSparseMatrix() |
|||
{ |
|||
var dmr = new MatlabMatrixReader("./data/Matlab/sparse-small.mat"); |
|||
var matrix = dmr.ReadMatrix("S"); |
|||
Assert.AreEqual(100, matrix.RowCount); |
|||
Assert.AreEqual(100, matrix.ColumnCount); |
|||
Assert.AreEqual(typeof(SparseMatrix), matrix.GetType()); |
|||
AssertHelpers.AlmostEqual(17.6385090630805, matrix.FrobeniusNorm(), 12); |
|||
} |
|||
} |
|||
} |
|||
Loading…
Reference in new issue