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4 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/ | 4 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/ |
5 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/ | 5 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/ |
6 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/FAQ/ | 6 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/FAQ/ |
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10 | -rw-r--r--···0·root·········(0)·root·········(0)·····818 | 10 | -rw-r--r--···0·root·········(0)·root·········(0)·····8183·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/FAQ/section3.html |
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13 | -rw-r--r--···0·root·········(0)·root·········(0)·····5193·2003-03-24·07:28:04.000000·./usr/share/doc/fftw-docs/NEWS.gz | 13 | -rw-r--r--···0·root·········(0)·root·········(0)·····5193·2003-03-24·07:28:04.000000·./usr/share/doc/fftw-docs/NEWS.gz |
14 | -rw-r--r--···0·root·········(0)·root·········(0)·····2443·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/README | 14 | -rw-r--r--···0·root·········(0)·root·········(0)·····2443·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/README |
15 | -rw-r--r--···0·root·········(0)·root·········(0)·····5147·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/README.hacks | 15 | -rw-r--r--···0·root·········(0)·root·········(0)·····5147·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/README.hacks |
16 | -rw-r--r--···0·root·········(0)·root·········(0)·····3165·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/TODO | 16 | -rw-r--r--···0·root·········(0)·root·········(0)·····3165·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/TODO |
17 | -rw-r--r--···0·root·········(0)·root·········(0)·····1022·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/changelog.Debian.gz | 17 | -rw-r--r--···0·root·········(0)·root·········(0)·····1022·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/changelog.Debian.gz |
18 | -rw-r--r--···0·root·········(0)·root·········(0)····43492·2003-03-24·07:05:04.000000·./usr/share/doc/fftw-docs/changelog.gz | 18 | -rw-r--r--···0·root·········(0)·root·········(0)····43492·2003-03-24·07:05:04.000000·./usr/share/doc/fftw-docs/changelog.gz |
19 | -rw-r--r--···0·root·········(0)·root·········(0)······867·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/copyright | 19 | -rw-r--r--···0·root·········(0)·root·········(0)······867·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/copyright |
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36 | -rw-r--r--···0·root·········(0)·root·········(0)····25555·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/tests/test_main.c | 36 | -rw-r--r--···0·root·········(0)·root·········(0)····25555·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/tests/test_main.c |
37 | -rw-r--r--···0·root·········(0)·root·········(0)·····3049·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/tests/test_main.h | 37 | -rw-r--r--···0·root·········(0)·root·········(0)·····3049·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/tests/test_main.h |
38 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/threads/ | 38 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/threads/ |
39 | -rw-r--r--···0·root·········(0)·root·········(0)······355·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/threads/Makefile | 39 | -rw-r--r--···0·root·········(0)·root·········(0)······355·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/examples/threads/Makefile |
40 | -rw-r--r--···0·root·········(0)·root·········(0)····10466·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/threads/fftw_threads-int.h | 40 | -rw-r--r--···0·root·········(0)·root·········(0)····10466·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/threads/fftw_threads-int.h |
41 | -rw-r--r--···0·root·········(0)·root·········(0)····18931·2003-03-16·23:43:46.000000·./usr/share/doc/fftw-docs/examples/threads/fftw_threads_test.c | 41 | -rw-r--r--···0·root·········(0)·root·········(0)····18931·2003-03-16·23:43:46.000000·./usr/share/doc/fftw-docs/examples/threads/fftw_threads_test.c |
42 | -rw-r--r--···0·root·········(0)·root·········(0)····25220·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/threads/rfftw_threads_test.c | 42 | -rw-r--r--···0·root·········(0)·root·········(0)····25220·2003-03-16·23:43:19.000000·./usr/share/doc/fftw-docs/examples/threads/rfftw_threads_test.c |
43 | -rw-r--r--···0·root·········(0)·root·········(0)·····755 | 43 | -rw-r--r--···0·root·········(0)·root·········(0)·····7558·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/fftw-faq.ascii.gz |
44 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/ | 44 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/ |
45 | -rw-r--r--···0·root·········(0)·root·········(0)····19099·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-1.gif | 45 | -rw-r--r--···0·root·········(0)·root·········(0)····19099·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-1.gif |
46 | -rw-r--r--···0·root·········(0)·root·········(0)····18344·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-2.gif | 46 | -rw-r--r--···0·root·········(0)·root·········(0)····18344·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-2.gif |
47 | -rw-r--r--···0·root·········(0)·root·········(0)····10238·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-3.gif | 47 | -rw-r--r--···0·root·········(0)·root·········(0)····10238·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-3.gif |
48 | -rw-r--r--···0·root·········(0)·root·········(0)····36918·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-4.gif | 48 | -rw-r--r--···0·root·········(0)·root·········(0)····36918·2003-03-16·23:43:18.000000·./usr/share/doc/fftw-docs/html/equation-4.gif |
49 | -rw-r--r--···0·root·········(0)·root·········(0)····19720·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/fftw.html | 49 | -rw-r--r--···0·root·········(0)·root·········(0)····19720·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/fftw.html |
50 | -rw-r--r--···0·root·········(0)·root·········(0)····11303·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/fftw_1.html | 50 | -rw-r--r--···0·root·········(0)·root·········(0)····11303·2022-01-19·15:38:42.000000·./usr/share/doc/fftw-docs/html/fftw_1.html |
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81 | AIX.</a> | 81 | AIX.</a> |
82 | <li><a·href="section5.html#bigprimebug"·rel=subdocument>Q5.10.·FFTW·2.1.2's·complex·transforms·give·incorrect·results·for·large·prime | 82 | <li><a·href="section5.html#bigprimebug"·rel=subdocument>Q5.10.·FFTW·2.1.2's·complex·transforms·give·incorrect·results·for·large·prime |
83 | sizes.</a> | 83 | sizes.</a> |
84 | <li><a·href="section5.html#aixflags"·rel=subdocument>Q5.11.·FFTW·2.1.3·crashes·on·AIX</a> | 84 | <li><a·href="section5.html#aixflags"·rel=subdocument>Q5.11.·FFTW·2.1.3·crashes·on·AIX</a> |
85 | </ul><hr> | 85 | </ul><hr> |
86 | <address> | 86 | <address> |
87 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 87 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
88 | -·0 | 88 | -·08·February·2025 |
89 | </address><br> | 89 | </address><br> |
90 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 90 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
91 | Copyright·©·202 | 91 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
92 | </body></html> | 92 | </body></html> |
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60 | ······factors_17_to_97. | 60 | ······factors_17_to_97. |
61 | ····*·Q5.8._FFTW_2.1.1's_MPI_test_programs_crash_with_MPICH. | 61 | ····*·Q5.8._FFTW_2.1.1's_MPI_test_programs_crash_with_MPICH. |
62 | ····*·Q5.9._FFTW_2.1.2's_multi-threaded_transforms_don't_work_on_AIX. | 62 | ····*·Q5.9._FFTW_2.1.2's_multi-threaded_transforms_don't_work_on_AIX. |
63 | ····*·Q5.10._FFTW_2.1.2's_complex_transforms_give_incorrect_results_for_large | 63 | ····*·Q5.10._FFTW_2.1.2's_complex_transforms_give_incorrect_results_for_large |
64 | ······prime_sizes. | 64 | ······prime_sizes. |
65 | ····*·Q5.11._FFTW_2.1.3_crashes_on_AIX | 65 | ····*·Q5.11._FFTW_2.1.3_crashes_on_AIX |
66 | =============================================================================== | 66 | =============================================================================== |
67 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 67 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
68 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 68 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
69 | Massachusetts·Institute·of·Technology. | 69 | Massachusetts·Institute·of·Technology. |
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66 | copyright·to·FFTW·and·they·only·let·us·GPL·it·because·we·convinced | 66 | copyright·to·FFTW·and·they·only·let·us·GPL·it·because·we·convinced |
67 | them·that·it·would·neither·affect·their·licensing·revenue·nor·irritate | 67 | them·that·it·would·neither·affect·their·licensing·revenue·nor·irritate |
68 | existing·licensees.··<hr> | 68 | existing·licensees.··<hr> |
69 | Next:·<a·href="section2.html"·rel=precedes>Installing·FFTW</a>.<br> | 69 | Next:·<a·href="section2.html"·rel=precedes>Installing·FFTW</a>.<br> |
70 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> | 70 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> |
71 | <address> | 71 | <address> |
72 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 72 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
73 | -·0 | 73 | -·08·February·2025 |
74 | </address><br> | 74 | </address><br> |
75 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 75 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
76 | Copyright·©·202 | 76 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
77 | </body></html> | 77 | </body></html> |
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35 | We·could·instead·have·released·FFTW·under·the·LGPL,·or·even·disallowed·non-Free | 35 | We·could·instead·have·released·FFTW·under·the·LGPL,·or·even·disallowed·non-Free |
36 | usage.·Suffice·it·to·say,·however,·that·MIT·owns·the·copyright·to·FFTW·and·they | 36 | usage.·Suffice·it·to·say,·however,·that·MIT·owns·the·copyright·to·FFTW·and·they |
37 | only·let·us·GPL·it·because·we·convinced·them·that·it·would·neither·affect·their | 37 | only·let·us·GPL·it·because·we·convinced·them·that·it·would·neither·affect·their |
38 | licensing·revenue·nor·irritate·existing·licensees. | 38 | licensing·revenue·nor·irritate·existing·licensees. |
39 | =============================================================================== | 39 | =============================================================================== |
40 | Next:·Installing_FFTW. | 40 | Next:·Installing_FFTW. |
41 | Return_to_contents. | 41 | Return_to_contents. |
42 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 42 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
43 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 43 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
44 | Massachusetts·Institute·of·Technology. | 44 | Massachusetts·Institute·of·Technology. |
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159 | On·a·Unix·system:·<code>configure·--enable-float</code>.··On·a·non-Unix·system:·edit·<code>fftw/fftw.h</code>·to·<code>#define</code>·the·symbol·<code>FFTW_ENABLE_FLOAT</code>.··In·both·cases,·you·must·then·recompile | 159 | On·a·Unix·system:·<code>configure·--enable-float</code>.··On·a·non-Unix·system:·edit·<code>fftw/fftw.h</code>·to·<code>#define</code>·the·symbol·<code>FFTW_ENABLE_FLOAT</code>.··In·both·cases,·you·must·then·recompile |
160 | FFTW.··<hr> | 160 | FFTW.··<hr> |
161 | Next:·<a·href="section3.html"·rel=precedes>Using·FFTW</a>.<br> | 161 | Next:·<a·href="section3.html"·rel=precedes>Using·FFTW</a>.<br> |
162 | Back:·<a·href="section1.html"·rev=precedes>Introduction·and·General·Information</a>.<br> | 162 | Back:·<a·href="section1.html"·rev=precedes>Introduction·and·General·Information</a>.<br> |
163 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> | 163 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> |
164 | <address> | 164 | <address> |
165 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 165 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
166 | -·0 | 166 | -·08·February·2025 |
167 | </address><br> | 167 | </address><br> |
168 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 168 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
169 | Copyright·©·202 | 169 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
170 | </body></html> | 170 | </body></html> |
Offset 90, 11 lines modified | Offset 90, 11 lines modified | ||
90 | On·a·Unix·system:·configure·--enable-float.·On·a·non-Unix·system:·edit·fftw/ | 90 | On·a·Unix·system:·configure·--enable-float.·On·a·non-Unix·system:·edit·fftw/ |
91 | fftw.h·to·#define·the·symbol·FFTW_ENABLE_FLOAT.·In·both·cases,·you·must·then | 91 | fftw.h·to·#define·the·symbol·FFTW_ENABLE_FLOAT.·In·both·cases,·you·must·then |
92 | recompile·FFTW. | 92 | recompile·FFTW. |
93 | =============================================================================== | 93 | =============================================================================== |
94 | Next:·Using_FFTW. | 94 | Next:·Using_FFTW. |
95 | Back:·Introduction_and_General_Information. | 95 | Back:·Introduction_and_General_Information. |
96 | Return_to_contents. | 96 | Return_to_contents. |
97 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 97 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
98 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 98 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
99 | Massachusetts·Institute·of·Technology. | 99 | Massachusetts·Institute·of·Technology. |
Offset 173, 12 lines modified | Offset 173, 12 lines modified | ||
173 | transform·if·they·are·larger·than·a·few·hundred·elements.· | 173 | transform·if·they·are·larger·than·a·few·hundred·elements.· |
174 | <hr> | 174 | <hr> |
175 | Next:·<a·href="section4.html"·rel=precedes>Internals·of·FFTW</a>.<br> | 175 | Next:·<a·href="section4.html"·rel=precedes>Internals·of·FFTW</a>.<br> |
176 | Back:·<a·href="section2.html"·rev=precedes>Installing·FFTW</a>.<br> | 176 | Back:·<a·href="section2.html"·rev=precedes>Installing·FFTW</a>.<br> |
177 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> | 177 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> |
178 | <address> | 178 | <address> |
179 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 179 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
180 | -·0 | 180 | -·08·February·2025 |
181 | </address><br> | 181 | </address><br> |
182 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 182 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
183 | Copyright·©·202 | 183 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
184 | </body></html> | 184 | </body></html> |
Offset 97, 11 lines modified | Offset 97, 11 lines modified | ||
97 | You·cannot·declare·large·arrays·statically;·you·should·use·malloc·(or | 97 | You·cannot·declare·large·arrays·statically;·you·should·use·malloc·(or |
98 | equivalent)·to·allocate·the·arrays·you·want·to·transform·if·they·are·larger | 98 | equivalent)·to·allocate·the·arrays·you·want·to·transform·if·they·are·larger |
99 | than·a·few·hundred·elements. | 99 | than·a·few·hundred·elements. |
100 | =============================================================================== | 100 | =============================================================================== |
101 | Next:·Internals_of_FFTW. | 101 | Next:·Internals_of_FFTW. |
102 | Back:·Installing_FFTW. | 102 | Back:·Installing_FFTW. |
103 | Return_to_contents. | 103 | Return_to_contents. |
104 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 104 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
105 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 105 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
106 | Massachusetts·Institute·of·Technology. | 106 | Massachusetts·Institute·of·Technology. |
Offset 75, 12 lines modified | Offset 75, 12 lines modified | ||
75 | <p> | 75 | <p> |
76 | In·short,·<code>wisdom</code>·does·more·things·with·less·effort,·and·seemed·like·The·Right·Thing·to·do.··<hr> | 76 | In·short,·<code>wisdom</code>·does·more·things·with·less·effort,·and·seemed·like·The·Right·Thing·to·do.··<hr> |
77 | Next:·<a·href="section5.html"·rel=precedes>Known·bugs</a>.<br> | 77 | Next:·<a·href="section5.html"·rel=precedes>Known·bugs</a>.<br> |
78 | Back:·<a·href="section3.html"·rev=precedes>Using·FFTW</a>.<br> | 78 | Back:·<a·href="section3.html"·rev=precedes>Using·FFTW</a>.<br> |
79 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> | 79 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> |
80 | <address> | 80 | <address> |
81 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 81 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
82 | -·0 | 82 | -·08·February·2025 |
83 | </address><br> | 83 | </address><br> |
84 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 84 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
85 | Copyright·©·202 | 85 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
86 | </body></html> | 86 | </body></html> |
Offset 43, 11 lines modified | Offset 43, 11 lines modified | ||
43 | can·be·reused. | 43 | can·be·reused. |
44 | In·short,·wisdom·does·more·things·with·less·effort,·and·seemed·like·The·Right | 44 | In·short,·wisdom·does·more·things·with·less·effort,·and·seemed·like·The·Right |
45 | Thing·to·do. | 45 | Thing·to·do. |
46 | =============================================================================== | 46 | =============================================================================== |
47 | Next:·Known_bugs. | 47 | Next:·Known_bugs. |
48 | Back:·Using_FFTW. | 48 | Back:·Using_FFTW. |
49 | Return_to_contents. | 49 | Return_to_contents. |
50 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 50 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
51 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 51 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
52 | Massachusetts·Institute·of·Technology. | 52 | Massachusetts·Institute·of·Technology. |
Offset 126, 12 lines modified | Offset 126, 12 lines modified | ||
126 | The·FFTW·2.1.3·<code>configure</code>·script·picked·incorrect·compiler·flags·for·the·<code>xlc</code>·compiler·on·newer·IBM·processors.··This | 126 | The·FFTW·2.1.3·<code>configure</code>·script·picked·incorrect·compiler·flags·for·the·<code>xlc</code>·compiler·on·newer·IBM·processors.··This |
127 | is·fixed·in·FFTW·2.1.4.··<hr> | 127 | is·fixed·in·FFTW·2.1.4.··<hr> |
128 | Back:·<a·href="section4.html"·rev=precedes>Internals·of·FFTW</a>.<br> | 128 | Back:·<a·href="section4.html"·rev=precedes>Internals·of·FFTW</a>.<br> |
129 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> | 129 | <a·href="index.html"·rev=subdocument>Return·to·contents</a>.<p> |
130 | <address> | 130 | <address> |
131 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> | 131 | <A·href="http://www.fftw.org">Matteo·Frigo·and·Steven·G.·Johnson</A>·/·<A·href="mailto:fftw@fftw.org">fftw@fftw.org</A> |
132 | -·0 | 132 | -·08·February·2025 |
133 | </address><br> | 133 | </address><br> |
134 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, | 134 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers, |
135 | Copyright·©·202 | 135 | Copyright·©·2025·Massachusetts·Institute·of·Technology. |
136 | </body></html> | 136 | </body></html> |
Offset 65, 11 lines modified | Offset 65, 11 lines modified | ||
65 | (Sizes·without·large·prime·factors·are·not·affected.) | 65 | (Sizes·without·large·prime·factors·are·not·affected.) |
66 | *****·Question·5.11.·FFTW·2.1.3·crashes·on·AIX·***** | 66 | *****·Question·5.11.·FFTW·2.1.3·crashes·on·AIX·***** |
67 | The·FFTW·2.1.3·configure·script·picked·incorrect·compiler·flags·for·the·xlc | 67 | The·FFTW·2.1.3·configure·script·picked·incorrect·compiler·flags·for·the·xlc |
68 | compiler·on·newer·IBM·processors.·This·is·fixed·in·FFTW·2.1.4. | 68 | compiler·on·newer·IBM·processors.·This·is·fixed·in·FFTW·2.1.4. |
69 | =============================================================================== | 69 | =============================================================================== |
70 | Back:·Internals_of_FFTW. | 70 | Back:·Internals_of_FFTW. |
71 | Return_to_contents. | 71 | Return_to_contents. |
72 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·0 | 72 | ·····Matteo_Frigo_and_Steven_G._Johnson·/·fftw@fftw.org·-·08·February·2025 |
73 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·202 | 73 | Extracted·from·FFTW·Frequently·Asked·Questions·with·Answers,·Copyright·©·2025 |
74 | Massachusetts·Institute·of·Technology. | 74 | Massachusetts·Institute·of·Technology. |
Offset 1, 9 lines modified | Offset 1, 9 lines modified | ||
1 | ············FFTW·FREQUENTLY·ASKED·QUESTIONS·WITH·ANSWERS | 1 | ············FFTW·FREQUENTLY·ASKED·QUESTIONS·WITH·ANSWERS |
2 | ····························0 | 2 | ····························08·Feb·2025 |
3 | » » » ·····Matteo·Frigo | 3 | » » » ·····Matteo·Frigo |
4 | » » » ···Steven·G.·Johnson | 4 | » » » ···Steven·G.·Johnson |
5 | ·» » » ····<fftw@fftw.org> | 5 | ·» » » ····<fftw@fftw.org> |
6 | This·is·the·list·of·Frequently·Asked·Questions·about·FFTW,·a·collection·of | 6 | This·is·the·list·of·Frequently·Asked·Questions·about·FFTW,·a·collection·of |
7 | fast·C·routines·for·computing·the·Discrete·Fourier·Transform·in·one·or | 7 | fast·C·routines·for·computing·the·Discrete·Fourier·Transform·in·one·or |
8 | more·dimensions. | 8 | more·dimensions. |
Offset 99, 16 lines modified | Offset 99, 16 lines modified | ||
99 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftwnd_005fone"><code>fftwnd_one</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-Multi_002ddimensional-Transforms-Tutorial">2.2·Complex·Multi-dimensional·Transforms·Tutorial</a></td></tr> | 99 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftwnd_005fone"><code>fftwnd_one</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-Multi_002ddimensional-Transforms-Tutorial">2.2·Complex·Multi-dimensional·Transforms·Tutorial</a></td></tr> |
100 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftwnd_005fone-1"><code>fftwnd_one</code></a></td><td·valign="top"><a·href="fftw_3.html#fftwnd">3.3.2·Computing·the·Multi-dimensional·Transform</a></td></tr> | 100 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftwnd_005fone-1"><code>fftwnd_one</code></a></td><td·valign="top"><a·href="fftw_3.html#fftwnd">3.3.2·Computing·the·Multi-dimensional·Transform</a></td></tr> |
101 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftwnd_005fplan"><code>fftwnd_plan</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-Multi_002ddimensional-Transforms-Tutorial">2.2·Complex·Multi-dimensional·Transforms·Tutorial</a></td></tr> | 101 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftwnd_005fplan"><code>fftwnd_plan</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-Multi_002ddimensional-Transforms-Tutorial">2.2·Complex·Multi-dimensional·Transforms·Tutorial</a></td></tr> |
102 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftwnd_005fplan-1"><code>fftwnd_plan</code></a></td><td·valign="top"><a·href="fftw_3.html#fftwnd_005fcreate_005fplan">3.3.1·Plan·Creation·for·Multi-dimensional·Transforms</a></td></tr> | 102 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftwnd_005fplan-1"><code>fftwnd_plan</code></a></td><td·valign="top"><a·href="fftw_3.html#fftwnd_005fcreate_005fplan">3.3.1·Plan·Creation·for·Multi-dimensional·Transforms</a></td></tr> |
103 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-fftwnd_005fthreads"><code>fftwnd_threads</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-Multi_002dthreaded-FFTW">4.1.2·Usage·of·Multi-threaded·FFTW</a></td></tr> | 103 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-fftwnd_005fthreads"><code>fftwnd_threads</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-Multi_002dthreaded-FFTW">4.1.2·Usage·of·Multi-threaded·FFTW</a></td></tr> |
104 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-fftwnd_005fthreads_005fone"><code>fftwnd_threads_one</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-Multi_002dthreaded-FFTW">4.1.2·Usage·of·Multi-threaded·FFTW</a></td></tr> | 104 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-fftwnd_005fthreads_005fone"><code>fftwnd_threads_one</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-Multi_002dthreaded-FFTW">4.1.2·Usage·of·Multi-threaded·FFTW</a></td></tr> |
105 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-FFTW_005fBACKWARD"><code>FFTW_BACKWARD</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> | 105 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-FFTW_005fBACKWARD"><code>FFTW_BACKWARD</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> |
106 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-FFTW_005fCOMPLEX"><code>FFTW_COMPLEX</code></a></td><td·valign="top"><a·href="fftw_3.html#Data-Types">3.1·Data·Types</a></td></tr> | ||
107 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftw_005fcomplex"><code>fftw_complex</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> | 106 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftw_005fcomplex"><code>fftw_complex</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> |
107 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-FFTW_005fCOMPLEX"><code>FFTW_COMPLEX</code></a></td><td·valign="top"><a·href="fftw_3.html#Data-Types">3.1·Data·Types</a></td></tr> | ||
108 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcomplex-1"><code>fftw_complex</code></a></td><td·valign="top"><a·href="fftw_3.html#Data-Types">3.1·Data·Types</a></td></tr> | 108 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcomplex-1"><code>fftw_complex</code></a></td><td·valign="top"><a·href="fftw_3.html#Data-Types">3.1·Data·Types</a></td></tr> |
109 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_2.html#Real-One_002ddimensional-Transforms-Tutorial">2.3·Real·One-dimensional·Transforms·Tutorial</a></td></tr> | 109 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_2.html#Real-One_002ddimensional-Transforms-Tutorial">2.3·Real·One-dimensional·Transforms·Tutorial</a></td></tr> |
110 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL-1"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_3.html#Arguments-1">Arguments</a></td></tr> | 110 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL-1"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_3.html#Arguments-1">Arguments</a></td></tr> |
111 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL-2"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-MPI-FFTW-for-Real-Multi_002ddimensional-Transforms">4.2.4·Usage·of·MPI·FFTW·for·Real·Multi-dimensional·Transforms</a></td></tr> | 111 | <tr><td></td><td·valign="top"><a·href="fftw_4.html#index-FFTW_005fCOMPLEX_005fTO_005fREAL-2"><code>FFTW_COMPLEX_TO_REAL</code></a></td><td·valign="top"><a·href="fftw_4.html#Usage-of-MPI-FFTW-for-Real-Multi_002ddimensional-Transforms">4.2.4·Usage·of·MPI·FFTW·for·Real·Multi-dimensional·Transforms</a></td></tr> |
112 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftw_005fcreate_005fplan"><code>fftw_create_plan</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> | 112 | <tr><td></td><td·valign="top"><a·href="fftw_2.html#index-fftw_005fcreate_005fplan"><code>fftw_create_plan</code></a></td><td·valign="top"><a·href="fftw_2.html#Complex-One_002ddimensional-Transforms-Tutorial">2.1·Complex·One-dimensional·Transforms·Tutorial</a></td></tr> |
113 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcreate_005fplan-1"><code>fftw_create_plan</code></a></td><td·valign="top"><a·href="fftw_3.html#fftw_005fcreate_005fplan">3.2.1·Plan·Creation·for·One-dimensional·Transforms</a></td></tr> | 113 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcreate_005fplan-1"><code>fftw_create_plan</code></a></td><td·valign="top"><a·href="fftw_3.html#fftw_005fcreate_005fplan">3.2.1·Plan·Creation·for·One-dimensional·Transforms</a></td></tr> |
114 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcreate_005fplan_005fspecific"><code>fftw_create_plan_specific</code></a></td><td·valign="top"><a·href="fftw_3.html#fftw_005fcreate_005fplan">3.2.1·Plan·Creation·for·One-dimensional·Transforms</a></td></tr> | 114 | <tr><td></td><td·valign="top"><a·href="fftw_3.html#index-fftw_005fcreate_005fplan_005fspecific"><code>fftw_create_plan_specific</code></a></td><td·valign="top"><a·href="fftw_3.html#fftw_005fcreate_005fplan">3.2.1·Plan·Creation·for·One-dimensional·Transforms</a></td></tr> |
Offset 60, 17 lines modified | Offset 60, 17 lines modified | ||
60 | ·································Tutorial | 60 | ·································Tutorial |
61 | ··fftwnd_plan····················3.3.1_Plan_Creation_for_Multi-dimensional | 61 | ··fftwnd_plan····················3.3.1_Plan_Creation_for_Multi-dimensional |
62 | ·································Transforms | 62 | ·································Transforms |
63 | ··fftwnd_threads·················4.1.2_Usage_of_Multi-threaded_FFTW | 63 | ··fftwnd_threads·················4.1.2_Usage_of_Multi-threaded_FFTW |
64 | ··fftwnd_threads_one·············4.1.2_Usage_of_Multi-threaded_FFTW | 64 | ··fftwnd_threads_one·············4.1.2_Usage_of_Multi-threaded_FFTW |
65 | ··FFTW_BACKWARD··················2.1_Complex_One-dimensional_Transforms | 65 | ··FFTW_BACKWARD··················2.1_Complex_One-dimensional_Transforms |
66 | ·································Tutorial | 66 | ·································Tutorial |
67 | ··FFTW_COMPLEX···················3.1_Data_Types | ||
68 | ··fftw_complex···················2.1_Complex_One-dimensional_Transforms | 67 | ··fftw_complex···················2.1_Complex_One-dimensional_Transforms |
69 | ·································Tutorial | 68 | ·································Tutorial |
69 | ··FFTW_COMPLEX···················3.1_Data_Types | ||
70 | ··fftw_complex···················3.1_Data_Types | 70 | ··fftw_complex···················3.1_Data_Types |
71 | ··FFTW_COMPLEX_TO_REAL···········2.3_Real_One-dimensional_Transforms_Tutorial | 71 | ··FFTW_COMPLEX_TO_REAL···········2.3_Real_One-dimensional_Transforms_Tutorial |
72 | ··FFTW_COMPLEX_TO_REAL···········Arguments | 72 | ··FFTW_COMPLEX_TO_REAL···········Arguments |
73 | ··FFTW_COMPLEX_TO_REAL···········4.2.4_Usage_of_MPI_FFTW_for_Real_Multi- | 73 | ··FFTW_COMPLEX_TO_REAL···········4.2.4_Usage_of_MPI_FFTW_for_Real_Multi- |
74 | ·································dimensional_Transforms | 74 | ·································dimensional_Transforms |
75 | ··fftw_create_plan···············2.1_Complex_One-dimensional_Transforms | 75 | ··fftw_create_plan···············2.1_Complex_One-dimensional_Transforms |
76 | ·································Tutorial | 76 | ·································Tutorial |