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5040 Commits

Author SHA1 Message Date
Eli Barzilay
c7173cd1c6 Improve `file' tests. 
* Move sha1 test to the same place, to be run like the others.

* Unify tests for untar and unzip.

* Also improve them: test results instead of failing with errors.  Also,
  generate random text to archive, and use 0 for group+other permission
  bits (to avoid world writable results on an error).
 2013-02-24 15:16:00 -05:00
Robby Findler
18c009276d fix up tests to reflect the module-lexer now behaves a little 
better wrt to its first result

That is, instead of just returning the string "#lang" it now
returns the actual text that was there (it was supposed to be
doing that all along and my recent commit fixed it, but I
missed the test cases)
 2013-02-23 15:42:43 -06:00
Eli Barzilay
cec73f5652 Newlines at EOFs scan. 2013-02-23 02:09:56 -05:00
Eric Dobson
f6df93ed96 Make mutable lists be sequences. 2013-02-22 21:01:21 -08:00
Vincent St-Amour
034d7245a4 Filters for comparisons with inifinity. 2013-02-21 10:49:57 -05:00
Vincent St-Amour
12aaa229a3 Fix subtyping for Negative-Single-Flonum. 2013-02-21 10:49:57 -05:00
Eric Dobson
18d90115e7 Make naturals be a sequence type. 2013-02-20 21:25:02 -08:00
Eric Dobson
4f9f00680e Make (Set a) a subtype of (Sequenceof a). 
Closes PR13485.
Closes PR12615.
 2013-02-20 21:25:02 -08:00
Eric Dobson
a7bc758505 Fix subtyping of invariant data structures. 
Closes PR13521.
 2013-02-20 21:25:02 -08:00
Eric Dobson
ddb8e7f807 Add subtyping for Parameters. 
Closes PR11992.
This required moving more stuff in to base-abbrev so that it could be
used in subtype.
 2013-02-20 21:25:02 -08:00
Eric Dobson
0b87c999b3 Make struct types overlap with procedures. 
Closes PR11971.
 2013-02-20 21:25:02 -08:00
Robby Findler
5eddac7482 fix the use of impersonator-ephemerons in the framework preferences library 2013-02-20 21:13:02 -06:00
Stephen Chang
9e26cd0b7a one more integer-set test 2013-02-20 18:34:58 -05:00
Stephen Chang
aeff5922b7 add test for integer-set: 
- check that taking the rest of an integer-set results in a proper integer-set
 2013-02-20 18:32:01 -05:00
Matthew Flatt
0afcda2a5a fix error checking for flreal-part' and flimag-part' 2013-02-19 16:47:39 -07:00
Matthew Flatt
ca951294d4 JIT: inline char->integer' and integer->char' 2013-02-19 08:43:50 -07:00
Matthew Flatt
dbdfd4236f racket/snip: fix style-list%' notify-on-change' and contracts 
The method uses the new `impersonator-ephemeron' function to
retain a callback as long any value that it impersonates
is reachable.
 2013-02-18 17:01:11 -07:00
Matthew Flatt
79c4af4e45 racket/base: add `impersonator-ephemeron' 2013-02-18 17:01:11 -07:00
Robby Findler
85f9fbbaee interactivity fix for online check syntax 
commit e503850f21 broke drracket's
interactivity (for some files it could take 2 seconds to do
that one line)

This changes the bindings-table so that it maps to sets instead of
lists. Now, instead of mutating all entries in the table right after
collecting everything, just leave them as sets until we need the info
and just sort a single entry, when it is needed
 2013-02-18 16:33:50 -06:00
Matthew Flatt
fdd8dc9376 JIT: fix bug in checking certain values before unboxing 
The check was incomplete in the case that both arguments to a binary
[ext]flonum function need to be checked and the second one was not an
[ext]flonum and also not a fixnum.
 2013-02-18 11:07:45 -07:00
Matthew Flatt
4271d987cd ffi/unsafe: fix a bug in conversion to UTF-16 
Characters outside of the BMP were translated incorrectly.
 2013-02-18 10:28:58 -07:00
Eric Dobson
13b205aa0a Fixes *-filter types and filter of zero?. 
Closes PR13275.
 2013-02-18 11:56:59 -05:00
Eric Dobson
36cc3220ea Improve type of make-immutable-hash. 
Closes PR13297.
 2013-02-18 11:56:58 -05:00
Eric Dobson
7d6888f229 Improve types for exit and in-naturals. 2013-02-18 11:56:57 -05:00
Eric Dobson
7e88895bd0 Add testcases for many already fixed bugs. 
Closes PR11901.
Closes PR11972.
Closes PR12022.
Closes PR12224.
Closes PR12506.
Closes PR12533.
Closes PR12596.
Closes PR13198.
Closes PR13418.

Already fixed bugs, with existing testcases.
Closes PR12529.
Closes PR12631.
Closes PR13127.
Closes PR13128.
Closes PR12970.
 2013-02-18 11:56:55 -05:00
Robby Findler
dbb1d8f360 adjust scribble lexer so its failures print to stderr, not stdout 2013-02-16 19:55:18 -06:00
Robby Findler
5c109946c2 add support to struct/dc to name the selector directly 
and use that in struct/c

closes PR 13054
closes PR 13461
related to PR 13050
 2013-02-16 17:24:11 -06:00
Ryan Culpepper
44e26d493d try to make tmp file path shorter (for drdr) 2013-02-16 15:18:55 -05:00
Matthew Flatt
9b04aef0f8 fix a problem with `syntax-local-lift-require' at top level 
The problem was exposed by improved error checking
in the expander to detect references to exports of a module that
is not yet visited, and as triggered by the documentation for
`2htdp/planetcute'.
 2013-02-16 09:29:16 -07:00
Matthew Flatt
72c39ca7ff test fixups 2013-02-16 08:56:21 -07:00
Robby Findler
fbeecdc1aa add gc log following info to the drr performance monitor 2013-02-16 07:39:33 -06:00
Robby Findler
1ee765c7e3 fix bad test 2013-02-16 00:09:25 -06:00
Matthew Flatt
0c37849f81 racket/gui: fix contract of set-value' in gauge%' 2013-02-15 16:02:53 -07:00
Asumu Takikawa
9ef9330d4e Informative error message for raco pkg remove 
When a user tries to remove a package installed in a
different scope, notify them.
 2013-02-15 15:44:31 -05:00
Michael Filonenko
840fc9c657 full unboxing for extflonums, plus `ffi/unsafe' support 
Includes a repair for floating-point `min' and `max' that affects all
x86 builds that use SSE arithmetic, leaving the (otherwise unused)
floating-point stack in a bad state, which might have affected
x87-using C/foreign libraries running alongside Racket.
 2013-02-15 12:15:34 -07:00
Robby Findler
93bf0cd663 fix 2d lexer for the case when the #2d expression 
isn't in the leftmost column
 2013-02-15 10:29:34 -06:00
Matthew Flatt
d5c1a75e38 racket/gui cocoa: fix over-eager refresh for 'gl canvas% 2013-02-14 19:47:40 -07:00
Robby Findler
30ca1f0baf add syntax coloring for 2d syntax 2013-02-14 19:51:08 -06:00
chrdimo
26726ba26f tests for option contracts 2013-02-14 19:55:10 -05:00
Matthew Flatt
ccabbaa36e fix `current-subprocess-custodian-mode' for a #f argument 2013-02-14 17:30:10 -07:00
Eric Dobson
5ed26e806b Make lists with minimum lengths be a subtype of sequences. 2013-02-14 18:24:52 -05:00
Eric Dobson
b4beabc977 Make tc-let do unions correctly. 2013-02-14 18:24:52 -05:00
Vincent St-Amour
60959467cf Fix optimization of unary complex - and /. 2013-02-14 18:24:52 -05:00
Vincent St-Amour
29a181175f Improve a number of numeric function types. 
Closes PR13468.
 2013-02-14 18:24:52 -05:00
Matthew Flatt
3cd4ee1c0d ffi/unsafe: allow multiple values for a `(_fun ... -> _racket)' result 
Closes PR 13496
 2013-02-14 15:45:26 -07:00
Matthew Flatt
421cb24138 add `port-counts-lines?' 2013-02-14 15:45:26 -07:00
Tobias Hammer
7e2b443fa9 Support for multiple value return from wrap-evt and handle-evt 
wrap/handle-evt that receives multiple values must have a handler function with adequate arity.

struct.c:
  change contract for wrap/handle-evt from (any/c -> any) to procedure?
thread.c:
  adjust sync processing
sync.rktl:
  add test for handle-evt, wrap-evt and prop:evt
 2013-02-14 15:45:26 -07:00
Ryan Culpepper
b3afbdd485 added unstable/socket 2013-02-14 17:19:08 -05:00
Ryan Culpepper
7a0b100ce0 tests for unstable/macro-testing 2013-02-14 17:19:08 -05:00
Matthew Flatt
294bed209e macro expander fix 
Repair 73e07f576b added an item to a list without incrementing a
counter for the list length, which cause a different element of
the list to be dropped, which could mess up binding resolution in
arbitrarily bad ways.

(Ths bug falls into the "how did this not get exposed earlier?"  bin,
although part of the answer is that it requires a combination of
module re-expansion and simplification of syntax objects in the
residual program.)

Closes PR 13428
 2013-02-14 07:11:16 -07:00
Ryan Culpepper
fbee1ed9c7 change stxparse tests to use unstable/macro-testing 2013-02-13 16:14:49 -05:00
Matthew Flatt
c6eb82524b fix `syntax-local-module-exports' for submodules in expand mode 2013-02-13 08:28:23 -07:00
Matthew Flatt
8c2c84f74f fix context for `#%module-begin' form in a submodule 2013-02-13 08:28:22 -07:00
Matthew Flatt
4a0adb6a74 fix syntax-local-submodules' in expand' mode 2013-02-13 08:28:22 -07:00
Jay McCarthy
6ae2c71ed5 Add raco show -d and showing package deps on failed remove 2013-02-13 07:47:59 -07:00
Eric Dobson
67c6d7804d Add tests for subtyping -poly. Closes PR13510. 2013-02-12 17:07:02 -05:00
Matthew Flatt
7f5b295308 fix problem with the initial continuation prompt 
(Got it wrong in 2f7d4b5e.)

Closes PR 13494
 2013-02-12 14:17:57 -07:00
Robby Findler
8edd010bec improve ->'s source location tracking 
closes PR 13514
 2013-02-11 20:37:15 -06:00
Vincent St-Amour
0bccf6b0b0 Forbid singleton types for integers whose type is platform-dependent. 
Closes PR13501.
 2013-02-11 14:30:19 -05:00
Jay McCarthy
2e7f4ba54a Allowing github URLs from PNRs to use illegal package names 2013-02-11 06:10:58 -07:00
Matthew Flatt
2fc7cad446 racket/enter: fix for `enter!' related to submodules 
The load handler didn't obey the protocol with respect to a second
argument that is a list starting with #f.

Closes PR 13096
 2013-02-10 05:57:25 -07:00
Matthew Flatt
dd50ac8652 catch module-not-available mimatches earlier 2013-02-08 22:57:37 -06:00
Matthew Flatt
d73ae88220 test case for `for' repair 
Provided by Ryan to go with a85a71984d.
 2013-02-08 22:57:37 -06:00
J. Ian Johnson
469a69772c For/product treated like for/sum for special annotation. Also allowed no annotation to be consistent with the docs. 2013-02-08 11:32:21 -05:00
Eric Dobson
19241c0979 Make overlap more precise. 2013-02-08 11:19:10 -05:00
Eric Dobson
c2b8671169 Fix :print-type. Closes PR13503. 2013-02-08 11:19:09 -05:00
Jay McCarthy
cd202f5411 Supporting headers and stateless in web-server/test 2013-02-08 07:01:36 -07:00
Robby Findler
995d4a4704 adjust test cases for recent changes to the lexers 2013-02-07 21:25:02 -06:00
Vincent St-Amour
830db3c908 Add extra tests and warning about -PosIntNotFixnum. 2013-02-07 15:19:42 -05:00
Eric Dobson
9030da217b Make static single flonum checks correct. 
Closes PR13499.
 2013-02-07 15:19:42 -05:00
Asumu Takikawa
9636a70f8b Add a test for PR 13490 
The bug itself was already fixed by Eric Dobson
 2013-02-07 13:49:50 -05:00
Robby Findler
4b9d43ce00 unbreak plai random mutator tests 2013-02-07 11:16:04 -06:00
Robby Findler
bb216d142c 2d 2013-02-06 15:55:20 -06:00
Robby Findler
e7e64f4006 a better version of deac3fa2b3 
This time with test cases, and also without changing the
semantics of unhighlight-range

related to PR 13488
 2013-02-05 20:52:35 -06:00
Danny Yoo
31b66484b3 Add test case to show bug with inflate. 
related to PR 13489.
 2013-02-05 17:02:21 -07:00
Vincent St-Amour
bf2768f2c5 Allow cast in typed/racket/no-check. 2013-02-05 16:57:42 -05:00
Jay McCarthy
fb915825e9 Allowing PNR to decide which github checksum is used 2013-02-05 07:25:31 -07:00
Matthew Flatt
442f6eaaae fix `regexp-match' variants given a long string and an output port 
... again; commit d194fa6245 turned out to be incomplete.
 2013-02-05 11:44:38 +01:00
Vincent St-Amour
b42034f98b Exclude the right zeroes when checking for equality. 2013-02-04 14:32:44 -05:00
Vincent St-Amour
568f401bdc Don't special case typechecking of =. 
Its type is more useful than the special typing rule.
 2013-02-04 14:32:44 -05:00
Vincent St-Amour
ec04467282 Add extra tests for contract generation and float zeroes. 2013-02-04 14:32:44 -05:00
Eric Dobson
e656bdb1c5 Make generated contracts for Floats include NaN. 
Closes PR13464.
 2013-02-04 14:32:44 -05:00
Robby Findler
ab55d43312 give up on the "find the close paren strategy that doesn't 
edit the buffer" attempt

In other words, go back to (a rackety version of) the old
implementation of the get-close-paren method
 2013-02-03 11:22:46 -06:00
Robby Findler
25f92f8e9e fix a problem with the way that check syntax's interval map 
tracks information about the program
 2013-02-02 19:35:09 -06:00
Sam Tobin-Hochstadt
2e8ffe7400 Fix sequence-lift for multiple valued sequences. 
Also minor fixups of the rest of `unstable/sequence`.
 2013-02-02 18:16:35 -05:00
Robby Findler
8aa3e1d473 another close-paren insertion repair 
(this one causes runtime errors, not
bad behavior)
 2013-02-02 09:10:17 -06:00
Matthew Flatt
0583616dd7 racket/date: change current-date', add date*->seconds' 2013-02-01 15:00:24 -08:00
Matthew Flatt
f8c7a79b36 fix `raco link' test 2013-02-01 15:00:23 -08:00
Matthew Flatt
c0c2eda628 Scribble: add 'grouper and 'hidden-number part style properties 
Also, clean up documentation and implementation of 'unnumbered and
'hidden.
 2013-02-01 10:15:53 -08:00
Robby Findler
8aadc03719 more close paren adjustment repairs 2013-01-31 21:11:11 -06:00
Robby Findler
219f9dc358 fix close paren correction code 2013-01-31 15:07:20 -06:00
Vincent St-Amour
5efaa004f0 Fix test for invalid fixnum quotient optimization. 
The test depended on fixnum width, which is not portable.
 2013-01-29 16:15:00 -05:00
Vincent St-Amour
0bc60a77c8 Improve type of exact? and exact->inexact. 
Adapted from a pull request by Eric Dobson.
 2013-01-29 12:35:29 -05:00
Vincent St-Amour
32b3dfc528 Fix type of quotient on fixnums. 
Closes PR13466.
 2013-01-29 12:35:29 -05:00
Eric Dobson
10655a8373 Fix syntax/c. Closes PR13447. 2013-01-29 06:34:51 -06:00
Michael Filonenko
17b8092641 extflonums 
An extflonum is like a flonum, but with 80-bit precision and
not a number in the sense of `number?': only operations such as
`extfl+' work on extflonums, and only on platforms where extflonums
can be implemented by hardware without interefering with flonums
(i.e., on platforms where SSE instructions are used for
double-precision floats).

[Patch provided by Michael Filonenko and revised by Matthew.]

The compiler tracks information about bindings that are known to
hold extflonums, but the JIT does not yet exploit this information
to unbox them (except as intermediate results).
 2013-01-28 18:17:06 -07:00
chrdimo
e0a7329d86 Merge branch 'master' of pltgit:plt 2013-01-28 19:36:45 -05:00
chrdimo
5348a4d2de fixing docs and tests for maybe/c (old option/c) 2013-01-28 16:55:33 -05:00
Eric Dobson
3c02bb1abb Type check with expected type when checking recursive loops. 
Closes PR12678.
 2013-01-28 16:03:01 -05:00
Eric Dobson
13ff5883fe Do not update subtype and resolve caches when subtyping. 
Closes PR13412.
 2013-01-28 15:35:56 -05:00
Robby Findler
c8bee5acf7 disable a broken responsiveness optimization 2013-01-28 10:30:46 -06:00
Sam Tobin-Hochstadt
295bb1e85e Switch to pkg.racket-lang.org. 2013-01-26 15:59:33 -05:00
Robby Findler
e43583c444 make sure the framework tests run with the proper environment 2013-01-26 07:49:14 -06:00
Jay McCarthy
8ce9b4eb10 Adding failing test for submodules in web-server lang 2013-01-25 07:42:05 -07:00
Jay McCarthy
74429db650 Ignoring submodules in web-server lang 2013-01-25 07:42:05 -07:00
Jay McCarthy
545009a48a Catching contract violation error discovered by Danny Yoo 2013-01-25 07:42:05 -07:00
Matthew Flatt
9210437b3f fix internal-definition expansion 
The code added to handle expressions mixed with definitions was
not introduced in the right way; fix it to be like macro-introduced
code.

Closes PR 13452
 2013-01-25 05:08:46 -07:00
Matthew Flatt
00362a273f fix `string-normalize-nf[k]c' when composed is much smaller then decomposed 
For composed normalization, space is initially allocated based on the
decomposed length. The clean up step to avoid wasted space was wrong.
 2013-01-24 06:43:10 -05:00
Asumu Takikawa
14c970b490 Fix contract name of parameter/c 
Made it more backwards compatible
 2013-01-23 21:20:29 -05:00
Eric Dobson
5a43a5c730 Made tc/exprs check its non final terms with the correct type. 
Closes PR12974.
 2013-01-23 16:41:09 -05:00
Eric Dobson
05e53a0de5 Add tc-any-results as new result-type. 2013-01-23 16:41:09 -05:00
Eric Dobson
aac25b42c9 Make AnyValues but don't actually start using it yet. 2013-01-23 16:41:09 -05:00
Asumu Takikawa
4b279eaf6a Use new parameter/c argument for contract generation 
Closes PR 13446
 2013-01-23 14:45:59 -05:00
Asumu Takikawa
3ddde6a7e9 Equip parameter/c with separate in/out contracts 2013-01-23 14:45:59 -05:00
Ryan Culpepper
d5fe602131 added #:datum-literals, like #:literals but for ~datum patterns 2013-01-22 21:35:53 -05:00
Vincent St-Amour
193bff7a2b Fix collatz typed benchmark for fix to odd? and even?. 2013-01-18 18:25:19 -05:00
Vincent St-Amour
091e26cde8 Fix TR optimizer tests for TR info logging. 2013-01-18 18:25:18 -05:00
Asumu Takikawa
e1b6e84089 Fix filters on odd? and even? 
Closes PR 13233
 2013-01-18 18:25:18 -05:00
Asumu Takikawa
688511aec5 Fix year day for srfi/19-produced date*s 
srfi/19's `date-year-day` indexes from 1 and Racket
indexes from 0.
 2013-01-18 15:48:11 -05:00
Matthew Flatt
48e0509381 add `file-truncate' 2013-01-18 11:03:46 -06:00
Asumu Takikawa
7e679597f1 Update srfi/19 for latest leap seconds 
Closes PR 13390
 2013-01-18 10:44:58 -05:00
Jay McCarthy
850069ec83 Adding test for lex-name change 2013-01-18 06:35:52 -07:00
Asumu Takikawa
28d46105c9 Add tests for PR 13094. 
The bug itself was fixed already when ordinary
type variable scoping was fixed.

Closes PR 13094
 2013-01-15 15:44:34 -05:00
Sam Tobin-Hochstadt
b6564980ab Typed modules as languages doesn't currently work. 2013-01-14 14:27:33 -05:00
Asumu Takikawa
1ae216ec94 Delete trailing whitespace 2013-01-14 10:35:44 -05:00
Asumu Takikawa
8d1c56cb6f Rackety 2013-01-14 10:35:44 -05:00
Asumu Takikawa
d406e2db57 Make srfi/19 compatible with date* structs 
- srfi/19 functions now produce and accept date*s
 - some functions produce lax-dates for backwards compat.
 2013-01-14 10:35:43 -05:00
Ryan Culpepper
1109e0f86d fix rounding in ~r, docs 
Merge to 5.3.2.
 2013-01-13 15:52:08 -05:00
Matthew Flatt
b5d874e35d raco pkg: allow read operations on read-only package data 
In particular, `raco pkg show' should work when the user does not
have write access to the installation directory or installation-wide
package database.

Merge to v5.3.2
 2013-01-13 07:56:46 -07:00
Asumu Takikawa
2ac6615da9 Use correct parent for date* in makeexn 
Please merge to 5.3.2
 2013-01-11 21:22:20 -05:00
Matthew Flatt
5ab048bb5c scribble/decode: fix contract on `decode-compound-paragraph' 
Add a test suite that at least tries each export of `scribble/decode'.

Merge to v5.3.2
 2013-01-09 18:52:16 -07:00
Greg Hendershott
4d3a5bad04 Use Racket lexer for code blocks. 
Had been specifying Scheme lexer for code blocks, while waiting for
new Racket lexer to wend its way from Pygments to Pygments.rb to
Linguist to GitHub.

That day is almost here: Linguist will soon update and deploy to
GitHub.  And Racket 5.3.2 is about to release.  As a result, I think
this is the correct time to switch to the Racket lexer: It should be
live on GitHub by the time people are using Racket 5.3.2.

/cc @rmculpepper -- I think this commit should go into the 5.3.2
release.
 2013-01-09 18:52:16 -07:00
Asumu Takikawa
c5c6280d87 Change exception predicate for a test 
For some reason, the other predicate breaks on some
test setups, even though it usually succeeds.

Please merge to 5.3.2
 2013-01-09 18:12:45 -05:00
Asumu Takikawa
f577b49a4d Fix polydots 
- parsing of polydots values was fixed
 - certain polydots error cases are now reported
 - the custom application rule for values was fixed

Closes PR 13365

Please merge to 5.3.2
 2013-01-09 18:12:45 -05:00
Jay McCarthy
9d4e47a96e Update URLs again to r-l.o domain 2013-01-09 06:31:02 -07:00
Asumu Takikawa
27d3042ad6 Use correct contract for Procedure type 
The only problem with this contract is that it does
not produce a very good error message
 2013-01-08 20:03:16 -05:00
Asumu Takikawa
9c0a611b59 Disallow duplicate type variable declarations 
Closes PR 13416

Please merge to 5.3.2
 2013-01-08 14:50:08 -05:00
Jay McCarthy
b0f3f03412 Removing exotic ports for PNRs 2013-01-08 07:42:51 -07:00
Ryan Culpepper
929f37df62 fix db test script 2013-01-07 19:52:51 -05:00
Vincent St-Amour
057a2bd0d2 Extend type of min to preserve fixnumness. 2013-01-07 17:00:32 -05:00
Robby Findler
84c0208d99 add check for number of result values in ->i (that signals blame) 
closes PR 13417
 2013-01-07 11:04:24 -06:00
Matthew Flatt
e66cd6f9c7 raco exe: yet another submodule repair 
Closes PR 13410
 2013-01-05 09:12:47 -07:00
Robby Findler
d53d3c3528 try to make this test's timing better behaved 2013-01-04 16:59:00 -06:00
Matthew Flatt
67f0af387b fix problems with single-flonum (versus flonum) results 
The problems were with

 * `sqrt' and `expt' on single-flonum complex numbers
 * `asin' and `acos' on single-flonum arguments and complex results
 * `atan' on mixtures of single-flonum and exact arguments
 * `gcd' on mixtures of single-flonum and flonum arguments
 2013-01-04 08:00:24 -07:00
Matthew Flatt
43e01d7f4e rename test file 
":" is not allowed in a file name on Windows.
 2013-01-02 06:33:10 -07:00
Matthew Flatt
3c5135fc7a `expt' repair, again 
Previous repair wasn't general enough; negative powers can also
go wrong.
 2013-01-01 18:05:37 -07:00
Vincent St-Amour
678451f8c4 Fix tests. 2013-01-01 18:14:52 -05:00
Vincent St-Amour
4137eb9e73 Make let: annotations optional. 2013-01-01 18:14:52 -05:00
Matthew Flatt
07d5a9e385 fix `expt' on small negative number and large positive odd 
The pow() function apparently gets it wrong on some platforms.

Closes PR 13391
 2013-01-01 12:33:59 -07:00
Matthew Flatt
cdfc4912ad racket/base: add exn:fail:filesystem:errno and exn:fail:network:errno 
Provide raw error codes when available, which is mostly from filesystem
and networking primitives.
 2012-12-31 12:04:03 -07:00