Mercurial > hg
view tests/test-generaldelta.t @ 50777:8dc2724d0304
wrapfunction: use sysstr instead of bytes as argument in "fastannotate"
This is as valid and simpler, it will help us to eventually get ride of
`safehasattr`.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Mon, 10 Jul 2023 16:12:33 +0200 |
| parents | 2cf264e9aa75 |
| children | 786b6225793a |
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#require no-reposimplestore Check whether size of generaldelta revlog is not bigger than its regular equivalent. Test would fail if generaldelta was naive implementation of parentdelta: third manifest revision would be fully inserted due to big distance from its paren revision (zero). $ cat << EOF >> $HGRCPATH > [format] > sparse-revlog = no > EOF $ hg init repo --config format.generaldelta=no --config format.usegeneraldelta=no $ cd repo $ echo foo > foo $ echo bar > bar $ echo baz > baz $ hg commit -q -Am boo $ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes $ for r in 1 2 3; do > echo $r > foo > hg commit -q -m $r > hg up -q -r 0 > hg pull . -q -r $r -R ../gdrepo > done $ cd .. >>> import os >>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size >>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size >>> if regsize < gdsize: ... print('generaldata increased size of manifest') Verify rev reordering doesnt create invalid bundles (issue4462) This requires a commit tree that when pulled will reorder manifest revs such that the second manifest to create a file rev will be ordered before the first manifest to create that file rev. We also need to do a partial pull to ensure reordering happens. At the end we verify the linkrev points at the earliest commit. $ hg init server --config format.generaldelta=True $ cd server $ touch a $ hg commit -Aqm a $ echo x > x $ echo y > y $ hg commit -Aqm xy $ hg up -q '.^' $ echo x > x $ echo z > z $ hg commit -Aqm xz $ hg up -q 1 $ echo b > b $ hg commit -Aqm b $ hg merge -q 2 $ hg commit -Aqm merge $ echo c > c $ hg commit -Aqm c $ hg log -G -T '{rev} {shortest(node)} {desc}' @ 5 ebb8 c | o 4 baf7 merge |\ | o 3 a129 b | | o | 2 958c xz | | | o 1 f00c xy |/ o 0 3903 a $ cd .. $ hg init client --config format.generaldelta=false --config format.usegeneraldelta=false $ cd client $ hg pull -q ../server -r 4 $ hg debugdeltachain x rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 3 2 3 1.50000 3 0 0.00000 $ cd .. Test "usegeneraldelta" config (repo are general delta, but incoming bundle are not re-deltafied) delta coming from the server base delta server are not recompressed. (also include the aggressive version for comparison) $ hg clone repo --pull --config format.usegeneraldelta=1 usegd requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) new changesets 0ea3fcf9d01d:bba78d330d9c updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg clone repo --pull --config format.generaldelta=1 full requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) new changesets 0ea3fcf9d01d:bba78d330d9c updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R repo debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 10? 135 10? 0.7???? 10? 0 0.00000 (glob) 1 0 -1 1 2 0 prev 57 135 1?? 1.????? 16? 0 0.00000 (glob) 2 0 -1 1 3 1 prev 57 135 2?? 1.6???? 2?? 0 0.00000 (glob) 3 0 -1 2 1 -1 base 104 135 104 0.77037 104 0 0.00000 $ hg -R usegd debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 10? 135 10? 0.7???? 10? 0 0.00000 (glob) 1 0 -1 1 2 0 p1 57 135 16? 1.????? 16? 0 0.00000 (glob) 2 0 -1 1 3 1 prev 57 135 2?? 1.6???? 2?? 0 0.00000 (glob) 3 0 -1 1 2 0 p1 57 135 16? 1.????? 27? 114 0.????? (glob) $ hg -R full debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 10? 135 10? 0.7???? 10? 0 0.00000 (glob) 1 0 -1 1 2 0 p1 57 135 16? 1.????? 16? 0 0.00000 (glob) 2 0 -1 1 2 0 p1 57 135 16? 1.????? 2?? 57 0.3???? (glob) 3 0 -1 1 2 0 p1 57 135 16? 1.????? 27? 114 0.????? (glob) Test revlog.optimize-delta-parent-choice $ hg init --config format.generaldelta=1 aggressive $ cd aggressive $ cat << EOF >> .hg/hgrc > [format] > generaldelta = 1 > EOF $ touch a b c d e $ hg commit -Aqm side1 $ hg up -q null $ touch x y $ hg commit -Aqm side2 - Verify non-aggressive merge uses p1 (commit 1) as delta parent $ hg merge -q 0 $ hg commit -q -m merge $ hg debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base ?? 215 ?? 0.????? ?? 0 0.00000 (glob) 1 -1 -1 1 2 0 prev ?? 86 1?? 1.????? 1?? 0 0.00000 (glob) 2 1 0 1 2 0 p2 ?? 301 1?? 0.4???? ??? ?? 0.5???? (glob) $ hg strip -q -r . --config extensions.strip= - Verify aggressive merge uses p2 (commit 0) as delta parent $ hg up -q -C 1 $ hg merge -q 0 $ hg commit -q -m merge --config storage.revlog.optimize-delta-parent-choice=yes $ hg debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base ?? 215 ?? 0.????? ?? 0 0.00000 (glob) 1 -1 -1 1 2 0 prev ?? 86 1?? 1.????? 1?? 0 0.00000 (glob) 2 1 0 1 2 0 p2 ?? 301 1?? 0.4???? ??? ?? 0.5???? (glob) Test that strip bundle use bundle2 $ hg --config extensions.strip= strip . 0 files updated, 0 files merged, 5 files removed, 0 files unresolved saved backup bundle to $TESTTMP/aggressive/.hg/strip-backup/1c5d4dc9a8b8-6c68e60c-backup.hg $ hg debugbundle .hg/strip-backup/* Stream params: {Compression: BZ} changegroup -- {nbchanges: 1, version: 03} (mandatory: True) 1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 cache:rev-branch-cache -- {} (mandatory: False) phase-heads -- {} (mandatory: True) 1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 draft $ cd .. test maxdeltachainspan $ hg init source-repo $ cd source-repo $ hg debugbuilddag --new-file '.+5:brancha$.+11:branchb$.+30:branchc<brancha+2<branchb+2' # add an empty revision somewhere $ hg up tip 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg rm . removing nf10 removing nf11 removing nf12 removing nf13 removing nf14 removing nf15 removing nf16 removing nf17 removing nf51 removing nf52 removing nf6 removing nf7 removing nf8 removing nf9 $ hg commit -m 'empty all' $ hg revert --all --rev 'p1(.)' adding nf10 adding nf11 adding nf12 adding nf13 adding nf14 adding nf15 adding nf16 adding nf17 adding nf51 adding nf52 adding nf6 adding nf7 adding nf8 adding nf9 $ hg commit -m 'restore all' $ hg up null 0 files updated, 0 files merged, 14 files removed, 0 files unresolved $ $ cd .. $ hg -R source-repo debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 4 1 -1 base ??? 316 ??? 0.6???? ??? 0 0.00000 (glob) 50 49 -1 4 2 49 p1 58 362 2?? 0.7???? 2?? 0 0.00000 (glob) 51 17 -1 4 3 50 prev 3?? 5?? 6?? 1.0???? 6?? 0 0.00000 (glob) 52 51 -1 4 4 51 p1 58 640 6?? 1.0???? 6?? 0 0.00000 (glob) 53 52 -1 5 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 6 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) $ hg clone --pull source-repo --config experimental.maxdeltachainspan=2800 relax-chain --config format.generaldelta=yes requesting all changes adding changesets adding manifests adding file changes added 55 changesets with 53 changes to 53 files (+2 heads) new changesets 61246295ee1e:c930ac4a5b32 updating to branch default 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R relax-chain debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 4 1 -1 base ??? 316 ??? 0.6???? ??? 0 0.00000 (glob) 50 49 -1 4 2 49 p1 58 362 2?? 0.7???? 2?? 0 0.00000 (glob) 51 17 -1 2 13 17 p1 58 594 739 1.24411 278? 20?? 2.7???? (glob) 52 51 -1 5 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) 53 52 -1 6 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 7 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) $ hg clone --pull source-repo --config experimental.maxdeltachainspan=0 noconst-chain --config format.usegeneraldelta=yes --config storage.revlog.reuse-external-delta-parent=no requesting all changes adding changesets adding manifests adding file changes added 55 changesets with 53 changes to 53 files (+2 heads) new changesets 61246295ee1e:c930ac4a5b32 updating to branch default 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R noconst-chain debugdeltachain -m rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 1 7 5 p1 58 316 389 1.23101 2857 2468 6.34447 50 49 -1 1 8 49 p1 58 362 447 1.23481 2915 2468 5.52125 51 17 -1 2 13 17 p1 58 594 739 1.24411 2642 1903 2.57510 52 51 -1 2 14 51 p1 58 640 797 1.24531 2700 1903 2.38770 53 52 -1 4 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 5 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob)