/[cmucl]/src/general-info/release-19b.txt
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Contents of /src/general-info/release-19b.txt

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Tue Feb 1 14:40:08 2005 UTC (9 years, 2 months ago) by rtoy
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1 rtoy 1.2 ========================== C M U C L 19 b =============================
2 rtoy 1.1
3     [--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
4    
5 rtoy 1.2 The CMUCL project is pleased to announce the release of CMUCL 19b.
6 rtoy 1.1 This is a major release which contains numerous enhancements and
7 rtoy 1.2 bugfixes from the 19a release.
8 rtoy 1.1
9     CMUCL is a free, high performance implementation of the Common Lisp
10     programming language which runs on most major Unix platforms. It
11     mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
12     sophisticated native code compiler; a powerful foreign function
13     interface; an implementation of CLOS, the Common Lisp Object System,
14     which includes multimethods and a metaobject protocol; a source-level
15     debugger and code profiler; and an Emacs-like editor implemented in
16     Common Lisp. CMUCL is maintained by a team of volunteers collaborating
17     over the Internet, and is mostly in the public domain.
18    
19     New in this release:
20    
21     * Feature enhancements:
22 rtoy 1.3 - Added a much faster and much less consy bignum printer and a
23     faster bignum reader.
24     - Extended REQUIRE to support *MODULE-PROVIDER-FUNCTIONS* from
25     SBCL.
26 rtoy 1.6 - NetBSD supported.
27 rtoy 1.2 - SIMPLE-STREAM fixes:
28     o READ-SEQUENCE and WRITE-SEQUENCE for
29     signed-byte/unsigned-byte 8 streams.
30     o Memory-mapped file streams.
31 rtoy 1.4 - Large file support for Solaris, so CMUCL can handle files
32     larger than 2GB.
33 rtoy 1.6 - Support for Mac OS X.
34     - A much faster GCD implementation.
35     - A faster Karatsuba multiplier when the number of words of the
36     bignums is not a power of 2. (Break-even is still around 1500
37     bits, though.)
38     - New command-line switch -debug-lisp-search to show how lisp is
39     searching for its core file.
40 rtoy 1.7 - DEBUG-RETURN implemented which allows you to return a value
41     from function. Only enabled with DEBUG 3.
42     - Lazy sxhash on symbols implemented for ppc.
43 rtoy 1.9 - Pretty-printer for LOOP.
44     - Added some more pprinters for various forms.
45 rtoy 1.10 - Callbacks supported on Mac OS X.
46 rtoy 1.11 - Loop analysis code added to the compiler. It's incorporated
47 rtoy 1.13 into the build and can be enabled by setting *loop-analyze* to
48     T, but the compiler doesn't use the loop information for
49     anything yet.
50 rtoy 1.12 - Errors from socket functions signal a SOCKET-ERROR instead of
51     ERROR.
52     - Efficiency notes are no longer printed if inhibit-warnings >=
53 rtoy 1.14 2.5.
54     - Simple support for datagram networking added: INET-RECVFROM,
55     INET-SENDTO, INET-SHUTDOWN.
56 rtoy 1.1
57     * Numerous ANSI compliance fixes:
58 rtoy 1.3 - FILE-AUTHOR should signal errors appropriately.
59 rtoy 1.1 - CMUCL was computing the wrong value for some special functions
60     when the argument was on the branch cut for the function.
61     - MULTIPLE-VALUE-BIND accepts &REST and friends in the var list.
62     - When constructing logical pathnames, all components will be
63     automatically upcased. Needed for print/read consistency, and
64     fixes an issue with ASDF and logical pathnames.
65 rtoy 1.5 - Numerous fixes to the float printer, including a new float
66     printer.
67     - Justification (~< ~>) works better.
68     - ~V with the value of NIL in format strings is treated to mean
69     as if it weren't given at all, as specified by ANSI CL.
70     - Characters print consistently with ~:C and ~S.
71 rtoy 1.7 - Numerous bug fixes for pretty-printing and format strings.
72     - Pathnames are now printed with #P instead of #p.
73     - The types COMPLEX and (COMPLEX REAL) are the same now.
74     - UPGRADED-COMPLEX-PART-TYPE returns RATIONAL for integer types
75     now. (CMUCL doesn't really have a (COMPLEX INTEGER) type).
76     - When a pathname can't be printed readably, signal a
77     PRINT-NOT-READABLE condition
78 rtoy 1.8 - Printing arrays readably was sometimes wrong.
79 rtoy 1.9 - FOR-AS-ON-LIST works with dotted lists.
80     - DEFSTRUCT predicates for list structures don't produce errors
81     anymore on dotted or short lists.
82     - UNBOUND-SLOT condition no longer takes the :slot keyword. It
83     uses the ANSI-specified :name keyword. This is not backward
84     compatible!
85     - MAKE-SYMBOL takes STRING's, not just SIMPLE-STRING's.
86     - PPRINT-POP did not return NIL when the list arg to
87     PPRINT-LOGICAL-BLOCK was NIL.
88     - Signal appropriate error conditions instead of a plain error
89     condition in many situations.
90     - TYPECASE was treating the type T as an otherwise clause even
91 rtoy 1.11 though it was not the last clause. It should be just a
92 rtoy 1.9 regular clause.
93     - ASIN, ACOS, ACOSH, and ATANH were returning the wrong values
94     when the arg was a real number on the branch cut.
95     - Missed some places where loop variables were duplicated, which
96     should signal a program-error.
97 rtoy 1.11 - LOOP INITIALLY clauses occur after variable initialization for
98     FOR, WITH, and AS clauses, as required by ANSI CL.
99 rtoy 1.12 - Format bugs in ~{ and ~@[X~], as noted by ansi-tests, have
100     been fixed.
101 rtoy 1.13 - Evaluation order of REMF, INCF, and DECF.
102     - When *read-suppress* is T, READ, READ-PRESERVING-WHITESPACE,
103     READ-DELIMITED-LIST, and READ-FROM-STRING now return NIL, as
104     specified by ANSI CL. (Previously, CMUCL would return a list
105     of NILs.)
106 rtoy 1.1
107     * Numerous bugfixes:
108 rtoy 1.3 - FFLOOR and friends preserve the sign of the arg, so -0.0 is
109     returned for negative args.
110     - EXPT sometimes returne NaN instead of 1 when the power was 0.
111 rtoy 1.4 - Weak pointers don't have O(n^2) GC behavior anymore.
112 rtoy 1.6 - X11 authorization changes to solve problems seen with servers
113     that don't listen to TCP connection requests.
114 rtoy 1.7 - unix-read fix
115     - The compiler would give an error on deriving the result type
116     of RANDOM when the arg to RANDOM was a union type.
117     - "~*~" was not being parsed to mean a wildcard version.
118     - UNIX-GETPWUID implemented for Darwin. Needed for FILE-AUTHOR.
119     - The compiler no longer gives errors when deriving the result type of
120     coerce when converting a integer to a float that would not fit
121     in a float.
122     - Fix bug in reading from streams with element-type SIGNED-BYTE
123 rtoy 1.9 for sizes greater than 32: Positive numbers were incorrectly
124 rtoy 1.7 being returned as negative.
125 rtoy 1.8 - REMOVE-DUPLICATES was not honoring the :START option.
126 rtoy 1.9 - PPRINT-LOGICAL-BLOCK sometimes didn't close the block properly
127     because PPRINT-EXIT-IF-LIST-EXHAUSTED caused an early exit.
128     - Macro expansion was not looking in the local environment
129     properly for local definitions.
130     - Circular Weak pointers can now be printed when *print-circle*
131     is T.
132     - "foo.lisp.*" is interpreted to have version :wild, just like
133     "foo.lisp.~*~".
134     - DIRECTORY will report all versions of a file if the pathname
135     has version :wild.
136     - Fixed bug with CLX on MacOS X where the WM-SIZE-HINTS were
137     larger than CLX expected. Replaced card16 with card32.
138 rtoy 1.10 - Callbacks on sparc that returned double-floats were sometimes
139     causing a sigbus error.
140 rtoy 1.11 - Type specifiers like (float low high) where low and high were
141     outside the range of single-float numbers no longer cause
142     compiler errors.
143     - Fix source-form reporting in the disassembler.
144 rtoy 1.12 - Arrays in fasl files had non-NIL fill-pointer. Make them NIL.
145     - FILE-POSITION was incorrectly set for simple-streams after a
146     READ-VECTOR.
147     - Printing 1d23 no longer causes an error.
148     - Work around the problem of (concatenate 'fixnum '(1)) causing
149     deletion of all following code.
150     - A directory with a component of :WILD was not correctly
151     handled.
152     - CREATE-INET-LISTENER was missing a call to htonl.
153 rtoy 1.13 - (coerce #c(1 2) '(complex float)) works now.
154 rtoy 1.14 - Type derivation for logior and logxor was broken.
155     - Fixed bug where (setf (aref f 0) (aref d 0)) doesn't produce a
156     warning and causes code including the function return to be
157     deleted, where f is a single-float array and d is a
158     double-float array.
159     - COUNT for bit arrays was sometimes failing to include the
160     count from the last 32-bits of the array.
161    
162 rtoy 1.1 * Other changes:
163 rtoy 1.11 - Infinite loops in map and friends caused by specifying
164     sequence types that are too hairy for CMUCL should no longer
165     occur. But CMUCL will now signal an error, which may not be
166     compliant either.
167 rtoy 1.12 - Compiler is a little smarter in deriving the result type of
168     MAP.
169 rtoy 1.13 - MAKE-PATHNAME will accept a :HOST arg of NIL, and will use NIL
170     as the host slot instead of filling in the host slot from the
171     defaults.
172    
173 rtoy 1.5 * Improvements to the PCL implementation of CLOS:
174 rtoy 1.14 - AMOP-style custom slot allocation supported.
175 rtoy 1.1
176     * Improvements to Hemlock, the Emacs-like editor:
177    
178     * Changes to rebuilding procedure:
179    
180     * Deprecated features:
181    
182     This release is not binary compatible with code compiled using CMUCL
183     19a; you will need to recompile FASL files.
184    
185     See <URL:http://www.cons.org/cmucl/> for download information,
186     guidelines on reporting bugs, and mailing list details.
187    
188    
189     We hope you enjoy using this release of CMUCL!
190    

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