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852 Коммитов

Автор SHA1 Сообщение Дата
Nobuyoshi Nakada 39537e07fe Check bignum multiplication digits overflow 2024-11-09 00:08:03 +09:00
Yusuke Endoh c348a4fd7a Avoid interger multiplication overflow 2024-11-08 19:48:56 +09:00
Yusuke Endoh 45cd4a8296 Do not round `a**b` to infinity 
... instead, just calculate the value unless it is too big.
Also, this change raises an ArgumentError if it is expected to exceed
16 GB in a 64-bit environment.

(It is possible to calculate it straightforward, but it would likely be
out-of-memory, so I didn't think it would make sense.)

[Feature #20811]
 2024-11-08 19:48:56 +09:00
Nobuyoshi Nakada f8e3dd4ec1
[Bug #20524] win32: Suppress GMP warning 
```
C:\vcpkg\installed\x64-windows\include\gmp.h(2237): warning C4146: unary minus operator applied to unsigned type, result still unsigned
```
 2024-06-05 18:01:28 +09:00
tompng 0ff2c7fe6f Faster Integer.sqrt for large bignum 
Integer.sqrt uses Newton's method.
This pull request reduces the precision which was unnecessarily high in each calculation step.
 2024-03-18 13:52:27 +09:00
Jean Boussier d4f3dcf4df Refactor VM root modules 
This `st_table` is used to both mark and pin classes
defined from the C API. But `vm->mark_object_ary` already
does both much more efficiently.

Currently a Ruby process starts with 252 rooted classes,
which uses `7224B` in an `st_table` or `2016B` in an `RArray`.

So a baseline of 5kB saved, but since `mark_object_ary` is
preallocated with `1024` slots but only use `405` of them,
it's a net `7kB` save.

`vm->mark_object_ary` is also being refactored.

Prior to this changes, `mark_object_ary` was a regular `RArray`, but
since this allows for references to be moved, it was marked a second
time from `rb_vm_mark()` to pin these objects.

This has the detrimental effect of marking these references on every
minors even though it's a mostly append only list.

But using a custom TypedData we can save from having to mark
all the references on minor GC runs.

Addtionally, immediate values are now ignored and not appended
to `vm->mark_object_ary` as it's just wasted space.
 2024-03-06 15:33:43 -05:00
Yusuke Endoh 25d74b9527 Do not include a backtick in error messages and backtraces 
[Feature #16495]
 2024-02-15 18:42:31 +09:00
Peter Zhu 6906e502f9 Replace assert with RUBY_ASSERT in bignum.c 
assert does not print the bug report, only the file and line number of
the assertion that failed. RUBY_ASSERT prints the full bug report, which
makes it much easier to debug.
 2024-02-12 15:07:47 -05:00
Nobuyoshi Nakada c30b8ae947
Adjust styles and indents [ci skip] 2024-01-08 00:50:41 +09:00
git 94788a6d13 * expand tabs. [ci skip] 
Please consider using misc/expand_tabs.rb as a pre-commit hook.
 2023-06-30 14:59:34 +00:00
Nobuyoshi Nakada 7a0a218dff
Compile debugging code for integer pack always 2023-06-30 23:59:04 +09:00
Matt Valentine-House 026321c5b9 [Feature #19474] Refactor NEWOBJ macros 
NEWOBJ_OF is now our canonical newobj macro. It takes an optional ec
 2023-04-06 11:07:16 +01:00
Takashi Kokubun 233ddfac54 Stop exporting symbols for MJIT 2023-03-06 21:59:23 -08:00
Jean Boussier 3f54d09a5b bignum.c: rb_int_parse_cstr handle `0` strings 
[Bug #19390]

We shouldn't check the string length when skipping zeros, as the
string might only contains zero characters, resulting in an empty string.
 2023-01-30 14:42:40 +01:00
Nobuyoshi Nakada 1cdf8ab07b
[Bug #19323] Raise `RangeError` instead of integer overflow 2023-01-08 20:54:48 +09:00
Nobuyoshi Nakada 5ccb625fbb
Use `roomof` macro for rounding up divisions 2022-10-14 19:23:25 +09:00
Takashi Kokubun 5b21e94beb Expand tabs [ci skip] 
[Misc #18891]
 2022-07-21 09:42:04 -07:00
Nobuyoshi Nakada 9108db961d
Fix the condition when a new buffer is needed without GMP 2022-06-02 10:29:53 +09:00
Nobuyoshi Nakada a080651f46
Disable GMP by -DUSE_GMP=0 2022-05-20 19:05:35 +09:00
S-H-GAMELINKS 5b467400d2 [DOC]Some link prefix replace 2022-04-09 17:43:46 +09:00
Nobuyoshi Nakada 5ca51ddde8
[DOC] Integer#coerce deals with also Float 2021-12-29 11:50:28 +09:00
Nobuyoshi Nakada 27765a7502
Fix the warning in rb_big2dbl, Bignum is no longer defined 2021-12-29 11:49:06 +09:00
Nobuyoshi Nakada 40e7aefeba Remove obsolete Fixnum and Bignum 2021-12-28 18:35:03 +09:00
Peter Zhu aeae6e2842 [Feature #18290] Remove all usages of rb_gc_force_recycle 
This commit removes usages of rb_gc_force_recycle since it is a burden
to maintain and makes changes to the GC difficult.
 2021-11-08 14:05:54 -05:00
Nobuyoshi Nakada 373b399823 bary_mul_balance_with_mulfunc: move working buffer allocation 
Move the allocation of working buffer before the loop.
 2021-10-12 00:45:14 +09:00
Nobuyoshi Nakada 6fa1af7ee5 bary_mul_balance_with_mulfunc: consitify invariant variables 2021-10-12 00:45:14 +09:00
S.H b8c3a84bdd
Refactor and Using RBOOL macro 2021-09-15 08:11:05 +09:00
S.H 3fd8531331
Remove uneeded initialize local variable (#4818) 2021-09-13 23:22:01 -07:00
S-H-GAMELINKS 032534dbdf Using RB_BIGNUM_TYPE_P macro 2021-09-11 09:13:24 +09:00
S-H-GAMELINKS bdd6d8746f Replace RBOOL macro 2021-09-05 23:01:27 +09:00
Nobuyoshi Nakada 04be8e84db
Use C99-defined macros to classify a floating-point number 2021-08-27 12:41:30 +09:00
Nobuyoshi Nakada c38c2d8ee2 Moved exported symbols in internal/util.h to ruby/util.h 
[Feature #18051]
 2021-08-24 10:37:41 +09:00
Nobuyoshi Nakada 836b7047a6 Suppress unused-variable warnings when DEBUG_INTEGER_PACK 2021-08-09 11:21:56 +09:00
S.H 178a2a1a12
Remove unneeded declarations in bignum.c 2021-03-20 20:55:58 +09:00
Yusuke Endoh dd65aa95f9 bignum.c: Make sure the argument of LONG2FIX is long 
... because BDIGIT_DBL may be long long. POSFIXABLE and NEGFIXABLE
ensures that the value is representable as long, but it failed to build
on emscripten with -Werror -Wshorten-64-to-32.
 2021-01-23 16:05:33 +09:00
Marcus Stollsteimer 3108ad7bf3 [DOC] Fix grammar: "is same as" -> "is the same as" 2021-01-05 15:13:53 +01:00
Nobuyoshi Nakada fb8f011422
Fixed indefinite articles before "Integer" [ci skip] 2020-12-21 01:19:55 +09:00
Yusuke Endoh eb21e8add3 bignum.c (bary_sparse_p): do not comsume Random::DEFAULT 
It uses random to determine if the bignum is sparse or not.
It is arguable if three-digit samples are enough or not to determine it,
but anyway, consuming Random source implicitly is not good.

I introduced the random sampling mechanism, and I don't know any
significant reason to do so.  So, let's remove it.
This change makes the sampling points fixed: 40th, 50th, and 60th
percentiles.
 2020-10-12 13:45:32 +09:00
Yusuke Endoh 8a39e6d653 bignum.c (rb_int_powm): Integer#pow(0, 1) should return 0 
... instead of 1 because it requires "modulo 1".  [Bug #17257]
 2020-10-12 13:42:48 +09:00
Kazuhiro NISHIYAMA 946cd6c534
Use https instead of http 2020-07-28 19:51:54 +09:00
卜部昌平 e60cd14d85 ON_DEBUG: delete unused macro 
This is no longer used.
 2020-07-14 13:19:55 +09:00
卜部昌平 9ec4f1f205 rb_big_aref: do not goto into a branch 
I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea.  Better refactor.
 2020-06-29 11:05:41 +09:00
卜部昌平 184f0ab4c9 rb_int_parse_cstr: do not goto into a branch 
I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea.  Better refactor.
 2020-06-29 11:05:41 +09:00
卜部昌平 5a7c0dd038 str2big_scan_digits: do not goto into a branch 
I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea.  Better refactor.
 2020-06-29 11:05:41 +09:00
卜部昌平 4dfc2f2e3d bary_mul_karatsuba_branch: do not goto into a branch 
I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea.  Better refactor.
 2020-06-29 11:05:41 +09:00
Nobuyoshi Nakada b8fadf3a6b
Respect BIGNUM_DEBUG defined by command line option 
And fixed typo in compilers.yml.
 2020-05-29 02:43:30 +09:00
卜部昌平 9e41a75255 sed -i 's|ruby/impl|ruby/internal|' 
To fix build failures.
 2020-05-11 09:24:08 +09:00
卜部昌平 d7f4d732c1 sed -i s|ruby/3|ruby/impl|g 
This shall fix compile errors.
 2020-05-11 09:24:08 +09:00
卜部昌平 9e6e39c351
Merge pull request #2991 from shyouhei/ruby.h 
Split ruby.h
 2020-04-08 13:28:13 +09:00
Nobuyoshi Nakada 5b287481be
Removed non-RUBY_INTEGER_UNIFICATION code 2020-03-21 16:59:55 +09:00