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Author SHA1 Message Date
Vladimir Chalupecky
bd50f5876c mat: add fastpath for SymBandDense to VecDense.MulVec 2019-09-26 13:38:37 +02:00
Dan Kortschak
40fa6a493b mat: make SetFromU panic on non-empty size mismatch 2019-09-24 06:31:07 +09:30
Dan Kortschak
d1098a5195 stat/distmat: change methods to accept empty instead of nil matrices 2019-09-23 22:17:27 +09:30
Dan Kortschak
c9689bae36 optimize: remove redundant return 2019-09-23 19:37:22 +09:30
Vladimir Chalupecky
bcfb93e049 mat: clean up docs 2019-09-22 18:24:17 +02:00
Brendan Tracey
16f4144126 mat: Change methods to accept empty instead of nil matrices (#1090) 
* mat: Change methods to accept empty instead of nil matrices

While here, fix enough to compile.

Updates #1081.
 2019-09-20 19:19:07 +01:00
Yucheng Zhu
6294a9c877 A+C: add Yucheng Zhu 2019-09-20 16:01:31 +09:30
Brendan Tracey
975d99cd20 mat,all: Rename IsZero to IsEmpty (#1088) 
This avoids the confusion between Zero() and IsZero() which sounds like they should be related
to one another but are not. This makes IsEmpty the counterpart to Reset. Add check for Zero in allMatrix

Fixes #1083.
Updates #1081.
 2019-09-15 13:53:29 +01:00
Dan Kortschak
51b431f5b9 mat: use "mat" prefix for all errors and panics 2019-09-14 20:14:05 +09:30
Brendan Tracey
cd52c4d030 mat: Expose ReuseAs method to help resizing (#1082) 
* mat: Expose ReuseAs method to help resizing

Fixes #963
 2019-09-14 09:17:29 +01:00
Brendan Tracey
40d3308efe combin: Add helpers for dealing with permutations (#1076) 
* combin: Add helpers for dealing with permutations
 2019-09-11 21:00:27 +01:00
Dan Kortschak
1d8f8b2ee4 all: address issues identified by golangci-lint 2019-09-09 07:38:44 +09:30
Dan Kortschak
e51f19f66e all: gofmt -s 2019-09-08 18:45:57 +09:30
Dan Kortschak
20883b5a15 mat: reduce allocation from pool use 
This was flagged by staticcheck as "SA6002 – Storing non-pointer values
in sync.Pool allocates memory".
 2019-09-08 17:37:50 +09:30
Dan Kortschak
c662fcb795 mat: don't assign unused value 2019-09-08 17:37:50 +09:30
Dan Kortschak
4241a63a39 mat: remove redundant check constructions 
This was missed in a8659125a9.
 2019-09-08 07:14:59 +09:30
Dan Kortschak
9329cb7525 graph/path: use type system to differentiate behaviours within JohnsonAllPaths 
This change separates the two phases of the all pair shortest path
algorithm into different types, simplifying each part and removing a
conditional from the Dijkstra all paths code path.
 2019-09-07 21:10:23 +09:30
Dan Kortschak
0a637e253b graph/path: clean up AStar benchmarks with subtests 2019-09-07 07:05:52 +09:30
Dan Kortschak
17ea55aedb blas,lapack: clean up docs and comments 
Apply (with manual curation after the fact):
* s/^T/U+1d40/g
* s/^H/U+1d34/g
* s/, {2,3}if / $1/g

Some additional manual editing of odd formatting.
 2019-09-06 20:02:29 +09:30
Dan Kortschak
2065cbd6b4 appveyor: remove go1.10 2019-09-04 20:35:19 +09:30
Dan Kortschak
57bf14eee2 travis: update test matrix for go1.13 2019-09-04 20:35:19 +09:30
Dario Heinisch
43865b531b A+C: add Dario Heinisch 2019-09-02 10:08:36 +09:30
Dario Navin
88884a56e9 graph/path: use queue-based Bellman-Ford algorithm 
See Sedgewick and Wayne, Algorithms 4th Edition from p672 onward.
 2019-09-02 08:36:32 +09:30
Brendan Tracey
d61003946d stat/combin: Add CombinationToIndex and IndexToCombination functions (#1054) 
* stat/combin: Add CombinationToIndex and IndexToCombination functions
 2019-08-21 11:10:10 +01:00
Dan Kortschak
035030958a blas: fix copy paste error 2019-08-19 20:36:41 +09:30
Brendan Tracey
b0ff1e7714 combin: Change Cartesian to deal with indices (#1059) 
Fixes #1057.
 2019-08-17 12:41:00 +01:00
Vladimir Chalupecky
01f78999a4 lapack/gonum: fix inf-norm computation for unit lower triangular matrices 2019-08-17 00:48:19 +02:00
Vladimir Chalupecky
7584990dc8 lapack/testlapack: rework test for Dtrcon 2019-08-17 00:48:19 +02:00
Vladimir Chalupecky
0436873561 lapack/gonum: use Dcombssq (and Dlassq) in Dlange, Dlansy, Dlantr 2019-08-16 11:05:05 +02:00
Vladimir Chalupecky
cd1e4b9660 lapack/testlapack: fix spelling 2019-08-15 11:55:37 +02:00
Vladimir Chalupecky
8b91875836 lapack/gonum: add Dlansb with test 2019-08-15 11:55:37 +02:00
Vladimir Chalupecky
b720316f92 lapack/gonum: add Dcombssq with test 2019-08-15 11:55:37 +02:00
Vladimir Chalupecky
d3a6f40645 lapack/testlapack: add test for Dlassq 2019-08-15 11:55:37 +02:00
Vladimir Chalupecky
0242537858 lapack/testlapack: rewrite test for Dgecon from table-based to randomized 2019-08-15 09:46:50 +02:00
Vladimir Chalupecky
33540c531c lapack/testlapack: fix test for Dpbcon 2019-08-15 09:46:50 +02:00
Dan Kortschak
ced62fe510 travis: make sure checks exit non-zero if they fail 2019-08-09 06:24:15 +09:30
Dan Kortschak
99e48c9b02 graph/layout: handle difference between pure go and asm kernels 2019-08-08 18:38:21 +09:30
Dan Kortschak
2dfa205328 mat: add minimal shadow detection for complex matrices 2019-08-08 11:38:57 +09:30
Dan Kortschak
3ce8ac2a2f mat: fix benchmark typo 2019-08-05 15:28:05 +09:30
Dan Kortschak
e67905e3d2 mat: panic with the advertised value for invalid norm order 2019-08-05 14:27:18 +09:30
Dan Kortschak
3db0b42b51 mat: line break code consistently with LQ and LU 2019-08-05 13:25:13 +09:30
Dan Kortschak
761db73e45 mat: fix doc comment for LQ.Factorize 2019-08-05 13:25:13 +09:30
Dan Kortschak
dd3505df7d mat: move sizeInt64 to testing file to quieten unused 2019-08-05 09:20:35 +09:30
Dan Kortschak
bd38d47bf6 mat: remove dead code in overlap testing 
This should have been removed in b525d7 when the code was switched to
rectangular.
 2019-08-05 06:59:15 +09:30
Vladimir Chalupecky
9c10b50738 lapack/gonum: refactor inner loop in Dpbcon 2019-08-03 09:39:02 +02:00
Vladimir Chalupecky
3cac0797bd lapack/testlapack: add test for Dpbcon 2019-08-03 09:39:02 +02:00
Vladimir Chalupecky
5e114941f3 lapack/gonum: add Dpbcon 2019-08-03 09:39:02 +02:00
Dan Kortschak
e8e4638a21 graph/multi: don't allocate line maps before they are needed 2019-08-03 07:06:15 +09:30
Dan Kortschak
4e61e64b45 graph/simple: don't allocate edge maps before they are needed 
Also fix incorrect optimisation in WeightedDirected.Nodes.
 2019-08-03 07:06:15 +09:30
Vladimir Chalupecky
e9a50d6433 lapack/gonum: fix matrix slice length checks in banded functions 2019-08-02 10:40:26 +02:00