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bd49803f
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2016-02-19T08:53:33
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Use consistent/modern code formatting for pointers
The convention used by libjpeg:
type * variable;
is not very common anymore, because it looks too much like
multiplication. Some (particularly C++ programmers) prefer to tuck the
pointer symbol against the type:
type* variable;
to emphasize that a pointer to a type is effectively a new type.
However, this can also be confusing, since defining multiple variables
on the same line would not work properly:
type* variable1, variable2; /* Only variable1 is actually a
pointer. */
This commit reformats the entirety of the libjpeg-turbo code base so
that it uses the same code formatting convention for pointers that the
TurboJPEG API code uses:
type *variable1, *variable2;
This seems to be the most common convention among C programmers, and
it is the convention used by other codec libraries, such as libpng and
libtiff.
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1e32fe31
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2015-10-14T17:32:39
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Replace INT32 with a new internal datatype (JLONG)
These days, INT32 is a commonly-defined datatype in system headers. We
cannot eliminate the definition of that datatype from jmorecfg.h, since
the INT32 typedef has technically been part of the libjpeg API since
version 5 (1994.) However, using INT32 internally is risky, because the
inclusion of a particular header (Xmd.h, for instance) could change the
definition of INT32 from long to int on 64-bit platforms and thus change
the internal behavior of libjpeg-turbo in unexpected ways (for instance,
failing to correctly set __INT32_IS_ACTUALLY_LONG to match the INT32
typedef-- perhaps as a result of including the wrong version of
jpeglib.h-- could cause libjpeg-turbo to produce incorrect results.)
The library has always been built in environments in which INT32 is
effectively long (on Windows, long is always 32-bit, so effectively it's
the same as int), so it makes sense to turn INT32 into an explicitly
long datatype. This ensures that libjpeg-turbo will always behave
consistently, regardless of the headers included at compile time.
Addresses a concern expressed in #26.
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7e3acc0e
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2015-10-10T10:25:46
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Rename README, LICENSE, BUILDING text files
The IJG README file has been renamed to README.ijg, in order to avoid
confusion (many people were assuming that that was our project's README
file and weren't reading README-turbo.txt) and to lay the groundwork for
markdown versions of the libjpeg-turbo README and build instructions.
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a2e6a9dd
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2006-02-04T00:00:00
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IJG R6b with x86SIMD V1.02
Independent JPEG Group's JPEG software release 6b
with x86 SIMD extension for IJG JPEG library version 1.02
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489583f5
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1996-02-07T00:00:00
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The Independent JPEG Group's JPEG software v6a
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36a4cccc
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1994-09-24T00:00:00
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The Independent JPEG Group's JPEG software v5
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88aeed42
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1992-12-10T00:00:00
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The Independent JPEG Group's JPEG software v4
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4a6b7303
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1992-03-17T00:00:00
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The Independent JPEG Group's JPEG software v3
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bd543f03
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1991-12-13T00:00:00
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The Independent JPEG Group's JPEG software v2
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2cbeb8ab
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1991-10-07T00:00:00
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The Independent JPEG Group's JPEG software v1
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5996a25e
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2009-06-27T00:00:00
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The Independent JPEG Group's JPEG software v7
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b329697d
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2014-12-01T19:54:15
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Fix build when INPUT_SMOOTHING_SUPPORTED is undefined
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1435 632fc199-4ca6-4c93-a231-07263d6284db
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5ef46305
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2014-05-18T20:04:47
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SIMD-accelerated int upsample routine for MIPS DSPr2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1315 632fc199-4ca6-4c93-a231-07263d6284db
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5de454b2
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2014-05-18T19:04:03
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libjpeg-turbo has never supported non-ANSI compilers, so get rid of the crufty SIZEOF() macro. It was not being used consistently anyhow, so it would not have been possible to build prior releases of libjpeg-turbo using the broken compilers for which that macro was designed.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1313 632fc199-4ca6-4c93-a231-07263d6284db
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da13af6b
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2014-05-18T17:52:06
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Further copyright header cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1310 632fc199-4ca6-4c93-a231-07263d6284db
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d88f7ddf
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2014-05-18T17:51:00
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Further copyright header cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1309 632fc199-4ca6-4c93-a231-07263d6284db
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bc56b754
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2014-05-16T10:43:44
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Get rid of the HAVE_PROTOTYPES configuration option, as well as the related JMETHOD and JPP macros. libjpeg-turbo has never supported compilers that don't handle prototypes. Doing so requires ansi2knr, which isn't even supported in the IJG code anymore.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1308 632fc199-4ca6-4c93-a231-07263d6284db
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a3c3bbc2
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2014-05-15T18:22:24
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Fix build, which was broken by the checkin of the MIPS DSPr2 accelerated smooth downsampling routine. Until/unless other platforms include SIMD support for that function, it's just easier to #ifdef around it rather than adding stubs for the other platforms.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1303 632fc199-4ca6-4c93-a231-07263d6284db
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6a61c1e6
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2014-05-14T15:00:10
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SIMD-accelerated h2v2 smooth downsampling routine for MIPS DSPr2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1301 632fc199-4ca6-4c93-a231-07263d6284db
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3b489c3a
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2014-05-14T14:57:01
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Minor tweak to improve code readability
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1299 632fc199-4ca6-4c93-a231-07263d6284db
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b7753510
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2014-05-11T09:36:25
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Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1285 632fc199-4ca6-4c93-a231-07263d6284db
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e5eaf374
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2014-05-09T18:00:32
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Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1278 632fc199-4ca6-4c93-a231-07263d6284db
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59a3938b
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2009-03-09T13:15:56
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Framework for supporting SIMD acceleration
Designed to impose minimal changes on the "normal" code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@14 632fc199-4ca6-4c93-a231-07263d6284db
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