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Author SHA1 Message Date
Dan Kortschak
459f250b3d cmplxs,floats: harmonise docs and panic strings 2020-08-13 15:28:49 +09:30
Dan Kortschak
07022b18ba cmplxs: add Real, Imag and Complex functions 2020-08-13 06:46:19 +09:30
Roman Werpachowski
41a8e221d0 interp: add a DerivativePredictor interface and implement it in AkimaSpline and PiecewiseCubic 2020-08-10 23:14:54 +01:00
jr
755716c143 stat/distmat: add UniformPermutation 2020-08-09 18:52:09 +09:30
Dan Kortschak
f3d13f45bc cmplxs/cscalar,floats/scalar: expand return value names 2020-08-07 07:59:02 +09:30
Dan Kortschak
91fb2f26fb cmplxs,floats: fix comments 2020-08-07 07:59:02 +09:30
Dan Kortschak
e205be025e cmplxs/cscalar,floats/scalar: fix comments and clarify implementation 2020-08-07 07:59:02 +09:30
Dan Kortschak
dba48453fd all: use cscalar.Same instead of local same function 2020-08-07 07:59:02 +09:30
Dan Kortschak
4f194cd672 cmplxs/cscalar: new package containing non-vector functions from cmplxs 2020-08-07 07:59:02 +09:30
Dan Kortschak
0e6fb8d22a all: use scalar.Same instead of local same function 2020-08-07 07:59:02 +09:30
Dan Kortschak
da72779e7a floats/scalar: new package containing non-vector functions from floats 2020-08-07 07:59:02 +09:30
Dan Kortschak
48235867ac mat: add note about layout and performance 2020-08-03 08:06:13 +09:30
Roman Werpachowski
aa5949fd24 interp: add PiecewiseCubic and AkimaSpline interpolators 2020-07-30 19:15:54 +01:00
Dan Kortschak
f69c0ac28e mat: clarify that prefix is only added after the first line 2020-07-16 14:34:03 +09:30
Dan Kortschak
9178f9e6ec doc: nominate initial code of conduct committee members 2020-07-15 19:26:51 +09:30
Dan Kortschak
9531b877b3 doc: extend conduct document to parallel golang.org/conduct 
The differences here mainly reflect that the sponsors will be NumFOCUS
rather than Google and that Gonum is likely not yet large enough to need
us to have a distinct Project Steward role in addition to the conduct
committee (see https://blog.golang.org/conduct-2018 for a discussion of
the changes the Go project made from a committee to a stewarding model
backed by a project-independent committee).
 2020-07-15 19:26:51 +09:30
Roman Werpachowski
1ddc13d94c stat/distuv: fix CDF and score functions for Weibull distribution 
Also completes test coverage for Weibull.
 2020-07-15 09:44:02 +01:00
Dan Kortschak
4d35686356 ci: try to avoid linter timeouts 2020-07-15 14:05:35 +09:30
Roman Werpachowski
6ac2986f49 stat/distuv: add complete test coverage for Uniform distribution 2020-07-15 00:57:35 +01:00
Sebastien Binet
684a9658f5 ci: remove golangci-lint from travis checks 
golangci-lint is also run as part of a GitHub-Actions.
run it there, drop it from the travis-ci dependencies.

Fixes gonum/gonum#1393.
 2020-07-13 12:02:02 +02:00
Sebastien Binet
66aa83975b all: put examples into a xxx_test package clause 
Fixes gonum/gonum#1395.
 2020-07-13 12:01:16 +02:00
Roman Werpachowski
eed13fbb23 stat/distuv: full test coverage for Triangle distribution 2020-07-13 10:49:44 +01:00
Roman Werpachowski
d08c7b38eb stat/distuv: add AlphaStable distribution 
Implements sampling from a general alpha-stable distribution and some basic distribution properties when possible.
 2020-07-12 12:04:29 +01:00
Dan Kortschak
27220e4f5c graph/path: add missing doc comment 2020-07-12 18:07:51 +09:30
Dan Kortschak
6a06a241d1 graph/path: use a struct to make intentions in negative edges clearer 2020-07-12 18:07:51 +09:30
Dan Kortschak
0631cb635a graph/path: improve negative costs accounting field documentation 2020-07-12 07:26:07 +09:30
Dan Kortschak
04e487c6bc graph/path: add doc comments for unexported path construction methods 2020-07-12 07:26:07 +09:30
Vladimir Chalupecky
7c6ff0e291 mat: update docs for SVD.SolveTo and SVD.SolveVecTo 2020-07-10 16:37:50 +02:00
Dan Kortschak
9ae0689dae graph/path: add option to retain all paths from single-source path finding routines 2020-07-10 07:22:35 +09:30
Roman Werpachowski
2b2cdf09b4 stat/distuv: provide complete test coverage for Poisson 2020-07-09 09:27:07 +01:00
Dan Kortschak
3bedd58622 graph/path: properly report negative cycles in Shortest.To 
We still use the maxEdges condition to allow a better exploration of the graph
before terminating.
 2020-07-07 06:20:59 +09:30
Roman Werpachowski
551d33a2ee Add a new interp package with interpolation algorithms: constant, piecewise linear and piecewise constant 2020-07-06 21:40:06 +01:00
Dan Kortschak
42752487ce graph/path/dynamic: remove unnecessary nolint comment 
The golangci-lint staticcheck version has been updated and now correctly runs the
SA4000 lint check on arrays of float.
 2020-07-06 20:16:57 +09:30
Dan Kortschak
306b99283f ci: update golangci-lint version to latest 2020-07-06 18:33:37 +09:30
Roman Werpachowski
77e854ade3 stat/distuv: fix Beta.LogProb for alpha = 1, x = 0 and beta = 1, x = 1 2020-07-03 18:55:38 +01:00
Roman Werpachowski
9e83f3a953 stat/distuv: provide full test coverage for statdist.go and increase numerical accuracy of Hellinger distance 2020-07-03 17:46:32 +01:00
Dan Kortschak
0b84c34903 dsp/window: add comment explaining origin of documentation 2020-07-03 21:43:50 +09:30
Roman Werpachowski
e049b5c72d stat/distuv: fix StudentsT.Variance domain bound and provide full test coverage 2020-07-03 12:33:26 +01:00
Dan Kortschak
2241fbf495 graph/path/internal: add more negative cycle cases 2020-07-03 06:38:13 +09:30
Roman Werpachowski
4d4f8d85ec stat/distuv: stat/distuv: add Pareto.Quantile and improve Pareto tests 
* Complete test coverage for Pareto
* Add Pareto.Quantile
* Simplify the implementation of Pareto.Survival
* Improve accuracy of Pareto.CDF for x ~= xM
 2020-07-02 09:18:53 +01:00
Dan Kortschak
8d4cfcdeb8 graph/path: fix error messages 2020-07-02 15:56:32 +09:30
Dan Kortschak
18a9c3eabc graph/path: fix comments in BellmanFordFrom 2020-07-02 12:12:34 +09:30
Roman Werpachowski
1236d60193 stat/distuv: provide complete test coverage for LogNormal distribution 2020-07-02 00:09:20 +01:00
Dan Kortschak
142f1a8c6b graph: make graph analysis routines safe for indeterminate iterators 
This is a change in design for the graph.NodesOf family of functions. The
alternative was to provide an equivalent set of non-panicking routines in
graph for internal use. The protection that was intended with the panic
was to panic early rather than late when an indeterminate iterator exhausts
slice index space. I think in hindsight this was an error and we should
let things blow up in that (likely rare) situation.

The majority of changes are in test code. Outside the iterator package, which
is intimately tied to the determined iterator implementations, only one test
now fails if an indeterminate iterator is used, product's Modular extended
sub-graph isomorphism example, which is an algorithm that would have time
complexity issues with large iterators anyway.
 2020-07-02 07:47:46 +09:30
Dan Kortschak
39cd12e938 graph/iterator: add lazy ordered node iterators 2020-07-02 07:47:46 +09:30
Dan Kortschak
2db33926ac graph/iterator: extend iteration tests and fix counting error 2020-07-02 07:47:46 +09:30
Dan Kortschak
16da37cc66 graph/iterator: implement unsafe node iterators 2020-07-02 07:47:46 +09:30
Dan Kortschak
2bf857dc70 graph: use iterators directly rather than copying into []graph.Node 
There are still uses in test code; these can remain since they simplify
that code.
 2020-07-02 07:47:46 +09:30
Dan Kortschak
91d83a4f35 graph/iterator: add fast paths for node slices and add tests 
Fix bugs in NodeSlice methods:

- ImplicitNodes did not return nil for an empty set of nodes.
- OrderedNodes returned one too many nodes if Next has been called.
 2020-07-02 07:47:46 +09:30
Dan Kortschak
0fd78a9919 graph: fix nodeIteratorPair bug revealed by lazy iterators 2020-07-02 07:47:46 +09:30