Daniel James
993129e7e0
Change a comparison in the float hashing code, which can cause a warning on
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gcc. Although the warning doesn't currently turn up in this branch, it could
be caused quite easily. Originally reported in:
http://lists.boost.org/Archives/boost/2007/08/126084.php
[SVN r38883]
2007-08-24 02:01:47 +00:00
Daniel James
afc3267102
Remove the errno check when hashing floating point numbers. It's not really
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needed and was causing problems on the Microsoft Windows Smarthone Edition
platform. Fixes #1064 .
[SVN r38877]
2007-08-24 01:11:33 +00:00
Daniel James
5f90cf05d3
Update the copyright in the hash library.
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[SVN r38876]
2007-08-24 01:05:36 +00:00
Daniel James
ff43cf2784
Copy hash library from 1.34.1 over trunk.
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For the first merge with the release branch, I only want to include some of the
changes I've been working on (fixes and some trivial changes), so I'm starting
again from 1.34.1.
[SVN r38873]
2007-08-24 00:42:19 +00:00
Daniel James
08d38c1e39
Avoid a comparison with zero warning on gcc when compiling with -Wextra.
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[SVN r38679]
2007-08-15 14:35:39 +00:00
Daniel James
0ecfe356ca
Update copyright on hash headers.
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[SVN r37801]
2007-05-27 09:07:09 +00:00
Daniel James
585813f9fe
Rename hash_detail::float_limits => hash_detail::limits, since it's also used
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for integers in the tests.
[SVN r35559]
2006-10-11 18:58:40 +00:00
Daniel James
40844fb29e
Only use the float.h macros on OpenBSD, it seems that on FreeBSD numeric_limits is actually a better option.
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[SVN r35501]
2006-10-05 21:22:56 +00:00
Daniel James
3732ea7566
Fix a typo.
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[SVN r35500]
2006-10-05 21:21:43 +00:00
Daniel James
869a303733
Remove checks for float macros, I was being over-paranoid.
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[SVN r35349]
2006-09-26 23:28:34 +00:00
Daniel James
26473491c4
Attempting to work round the dodgy std::numeric_limits<long double> on
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some BSDs.
[SVN r35345]
2006-09-26 20:35:58 +00:00
Daniel James
8ff9a154ad
Comment out an assert which is giving bogus failures. On platforms where it isn't possible to detect NaN or infinity the full hash computation is performed on them. For NaN the result doesn't matter (since NaN != NaN), for infinity it should always give the same result), so the calculation works but unfortuanately, I don't know how to correctly check that v is what I expect in the assertion.
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I could use a different hash function when I don't have fpclassify/fpclass but that shouldn't be necessary.
[SVN r34490]
2006-07-09 22:50:43 +00:00
Daniel James
645cac6ae3
Update copyright details.
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[SVN r34390]
2006-06-25 09:59:05 +00:00
Daniel James
1a219729ee
Avoid a warning on Visual C++
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[SVN r34329]
2006-06-17 21:22:51 +00:00
Daniel James
cae97c67d8
Tweak the float hashing algorithm to perform fewer calls to ldexp for some
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types and possibly generate a better hash value.
[SVN r34273]
2006-06-11 15:29:09 +00:00
Daniel James
a4d9b52094
Improve support for floating point types with radix != 2.
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[SVN r34272]
2006-06-11 14:52:55 +00:00
Daniel James
4ebb14ea3b
Don't use fpclassify for hashing on OS X.
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[SVN r33875]
2006-04-30 19:16:08 +00:00
Daniel James
962f978081
Update the copyright comments in the hash headers.
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[SVN r33370]
2006-03-18 15:54:53 +00:00
Daniel James
3382c46b6d
Use _fpclass and fpclassify on less platforms. Hopefully will use them more widely after the release.
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[SVN r33047]
2006-02-21 00:12:36 +00:00
Daniel James
5bdae3b096
In hash_float, only use _fpclass on Visual C++, I'll find out about other compilers later.
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[SVN r32833]
2006-02-11 21:15:15 +00:00
Daniel James
9d41ce0eda
A couple of workarounds for Digital Mars.
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[SVN r32786]
2006-02-09 19:22:54 +00:00
Daniel James
2dcf38a04a
Use fpclassify/_fpclass for the hash function on compilers where I
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know it's available.
[SVN r32782]
2006-02-09 19:11:09 +00:00
Daniel James
534d526c90
Make hash_float.hpp use its own combine function. This serves two purposes:
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1. hash_float is no longer dependent on the main hash header.
2. hash_float(0) == 0 which makes it easier to implement hash<complex>(),
although this might lead to users assuming that it can be expected even though
it isn't part of the documented interface.
[SVN r32780]
2006-02-09 19:07:33 +00:00
Daniel James
71641ebdcd
Move include errorno & limits from hash.hpp into hash_float where they should be.
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[SVN r32777]
2006-02-09 18:55:35 +00:00
Daniel James
7ea3aed050
Move the float hash function into its own header.
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[SVN r32594]
2006-02-05 19:51:29 +00:00
Daniel James