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| author | Dmitry Marakasov <amdmi3@FreeBSD.org> | 2016-05-19 10:44:11 +0000 |
|---|---|---|
| committer | Dmitry Marakasov <amdmi3@FreeBSD.org> | 2016-05-19 10:44:11 +0000 |
| commit | 4e942b64191e2ef98dce2c5af31047a8640db768 (patch) | |
| tree | 8c3238b7f0cbec2e9210d52f562960bb22323a7d /math/p5-Math-SymbolicX-NoSimplification/pkg-descr | |
| parent | 1d1f878054efdd1171a8cb006e59ad0727610293 (diff) | |
| download | ports-4e942b64191e2ef98dce2c5af31047a8640db768.tar.gz ports-4e942b64191e2ef98dce2c5af31047a8640db768.zip | |
Notes
Diffstat (limited to 'math/p5-Math-SymbolicX-NoSimplification/pkg-descr')
| -rw-r--r-- | math/p5-Math-SymbolicX-NoSimplification/pkg-descr | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/math/p5-Math-SymbolicX-NoSimplification/pkg-descr b/math/p5-Math-SymbolicX-NoSimplification/pkg-descr index 90f4e72ed45e..91a9f1bd5202 100644 --- a/math/p5-Math-SymbolicX-NoSimplification/pkg-descr +++ b/math/p5-Math-SymbolicX-NoSimplification/pkg-descr @@ -1,16 +1,16 @@ -This module offers facilities to turn off the builtin Math::Symbolic -simplification routines and replace them with routines that just clone the -objects. You may want to do this in cases where the simplification -routines fail to simplify the Math::Symbolic trees and waste a lot of CPU -time. (For example, calculating the first order Taylor polynomial of a +This module offers facilities to turn off the builtin Math::Symbolic +simplification routines and replace them with routines that just clone the +objects. You may want to do this in cases where the simplification +routines fail to simplify the Math::Symbolic trees and waste a lot of CPU +time. (For example, calculating the first order Taylor polynomial of a moderately complex test function was sped up by 100% on my machine.) -A word of caution, however: If you turn off the simplification routines, -some procedures may produce very, very large trees. One such procedure -would be the consecutive application of many derivatives to a product -without intermediate simplification. This would yield exponential growth -of nodes. (And may, in fact, still do if you keep the simplification -heuristics turned on because most expressions cannot be simplified +A word of caution, however: If you turn off the simplification routines, +some procedures may produce very, very large trees. One such procedure +would be the consecutive application of many derivatives to a product +without intermediate simplification. This would yield exponential growth +of nodes. (And may, in fact, still do if you keep the simplification +heuristics turned on because most expressions cannot be simplified significantly.) WWW: http://search.cpan.org/dist/Math-SymbolicX-NoSimplification/ |