mirror of https://github.com/CGAL/cgal
86 lines
4.3 KiB
Plaintext
86 lines
4.3 KiB
Plaintext
[See also the file TODO_static_filters]
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- DOCUMENT enough for the new to_interval() requirement.
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- Filtered_kernel<> should be a proper kernel. It should be possible to use
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the Kernel_base stuff (see Kernel_traits paper)...
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- mv test/include/*.C *.def ; Or use template functions ?
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Concerning the main code:
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-------------------------
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- Pentium 4 : gcc -march=pentium4 -mfpmath=sse supports something like:
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#include <xmmintrin.h>
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#include <iostream>
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int main()
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{
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int i = _mm_getcsr();
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std::cout << i << std::endl;
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return 0;
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}
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- Use expression templates for Interval_nt<> and Lazy_exact_nt<>.
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- Specializations for is_zero() and co, and make use of them in the kernel.
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[Filtered_exact<> doesn't define them either, it's a bug...]
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- SunPro 5.x supports Interval arithmetic...
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http://docs.sun.com/htmlcoll/coll.693.1/iso-8859-1/CPPARITHPROG/iapg_bookTOC.html
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http://www.sun.com/forte/cplusplus/interval/index.html;$sessionid$GSXJDFYAABWVTAMTA1FU45Q
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- Try to get rid of the libc5 compatible version (make benchmarks first).
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- Have determinant_by_formula() overloading for Lazy_exact_nt<> ?
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And what about for Interval_nt<> too ?
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- Turn CGAL_IA_CHECK_RESTRICT into an [expensive] assertion ?
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- Get rid of convert_to() ? This is a mess for nothing (benchmark first).
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Target convert_from_to (const Target, const Source) is fine ?
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It could maybe be made better this way:
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void convert_from_to(Target &, const Source &) ?
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Suggest that to Stefan for misc.h ?
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- Handle in_smallest_orthogonalcircle_ftC2.h correctly (needs an include)
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- Bench -fbranch-probabilities ? Use __builtin_expect() for GCC 3 ?
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- Mark the cache as "mutable" (see Stroustrup, page 232) ?
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- Filter_Cache: Faire des benchs, et une test-suite qui soit raisonnable.
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Hum, rajouter un booléen pour calculer le cache seulement sur demande ?
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(ça évite de le faire inutilement pour les variables intermédiaires,
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mais ça prend un chouia plus de place... mais en comparaison du reste...)
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- Replace CGAL_IA_MAX_DOUBLE by standard DBL_MAX in <cfloat>, if portable
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(add a test). Not possible for CGAL_IA_MIN_DOUBLE, since DBL_MIN is the
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_normalized_ minimum.
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- See the C++ Standard numeric_limits<>, section 18.2.
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? See ISO C99 and http://http.cs.berkeley.edu/~fateman/fp98/korenF/node3.html.
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- "C9x FP unordered compares":
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+ /* ISO C99 IEEE Unordered compares. */
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+ builtin_function ("__builtin_isgreater", default_function_type,
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+ BUILT_IN_ISGREATER, BUILT_IN_NORMAL, NULL_PTR);
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+ builtin_function ("__builtin_isgreaterequal", default_function_type,
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+ BUILT_IN_ISGREATEREQUAL, BUILT_IN_NORMAL, NULL_PTR);
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+ builtin_function ("__builtin_isless", default_function_type,
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+ BUILT_IN_ISLESS, BUILT_IN_NORMAL, NULL_PTR);
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+ builtin_function ("__builtin_islessequal", default_function_type,
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+ BUILT_IN_ISLESSEQUAL, BUILT_IN_NORMAL, NULL_PTR);
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+ builtin_function ("__builtin_islessgreater", default_function_type,
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+ BUILT_IN_ISLESSGREATER, BUILT_IN_NORMAL, NULL_PTR);
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+ builtin_function ("__builtin_isunordered", default_function_type,
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+ BUILT_IN_ISUNORDERED, BUILT_IN_NORMAL, NULL_PTR);
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[voir le draft C99 ce que c'est]
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? SUN: Add "-Wa,-xarch=v8plus" to fix the following "error":
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/usr/ccs/bin/as: "/var/tmp/ccBHnU0T.s", line 861: warning: 3 instructions
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required between ldfsr and next FBfcc; nops inserted
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Concerning the script:
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----------------------
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- Produce separate files for declarations and definitions (=> libCGAL).
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Concerning the doc:
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-------------------
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- Documentation seriously needs to be updated before the next public release !
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- In the 2.0 HTML doc, my enums are indexed twice.
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probably a cc_manual compliance bug from me.
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Idem, my fct to_double(Ia) is not the same as the others...
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- add a pointer to my MISC'99 paper.
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- DOCUMENT the new boolean template parameter, the script, the static filters.
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Concerning the test-suite:
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--------------------------
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- Check it with GCOV again before the next public release.
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- Make a more extensive test-suite for the filtered predicates.
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The script could output information to test them generically somehow.
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- Test NaN propagation. Comparisons with these should throw the exception...
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Check that they are correctly propagated (by min(), max(), even operator*...)
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