ruby.git/ext/bigdecimal/bigdecimal.h, branch v3_2_11

[ruby/bigdecimal] Replace sprintf by snprintf

2022-11-15T04:02:01+00:00

https://github.com/ruby/bigdecimal/commit/d6f5bb40c7

[ruby/bigdecimal] Rewrite allocation functions

2022-11-13T03:47:40+00:00

* Rename them
* Make allocation count operations atomic

https://github.com/ruby/bigdecimal/commit/a5ab34a115

[ruby/bigdecimal] Rewrite check_rounding_mode function

2022-11-13T02:02:01+00:00

Use table-lookup algorithm instead of consecutive if-statements.

https://github.com/ruby/bigdecimal/commit/23eaff3ae5

[ruby/bigdecimal] Fix uint64 conversion

2021-02-04T04:18:58+00:00

Stop using logarithm to compute the number of components.
Instead, use the theoretical maximum number of components for buffer,
and count up the actual number of components during conversion.

https://github.com/ruby/bigdecimal/commit/9067b353ac

[ruby/bigdecimal] Stop using rmpd and RMPD prefixes and DBLE_FIG

2021-02-04T04:18:52+00:00

https://github.com/ruby/bigdecimal/commit/7479923fdb

[ruby/bigdecimal] Optimize rb_float_convert_to_BigDecimal by using dtoa

2021-01-12T17:11:18+00:00

This improve the conversion speed several times faster than before.

```
RUBYLIB= BUNDLER_ORIG_RUBYLIB= /home/mrkn/.rbenv/versions/3.0.0/bin/ruby -v -S benchmark-driver /home/mrkn/src/github.com/ruby/bigdecimal/benchmark/from_float.yml
ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-linux]
Calculating -------------------------------------
                     bigdecimal 3.0.0      master
              flt_e0         156.400k    783.356k i/s -    100.000k times in 0.639388s 0.127656s
            flt_ep10         158.640k    777.978k i/s -    100.000k times in 0.630359s 0.128538s
           flt_ep100         101.676k    504.259k i/s -    100.000k times in 0.983512s 0.198311s
            flt_em10         103.439k    726.339k i/s -    100.000k times in 0.966751s 0.137677s
           flt_em100          79.675k    651.446k i/s -    100.000k times in 1.255095s 0.153505s

Comparison:
                           flt_e0
              master:    783355.6 i/s
    bigdecimal 3.0.0:    156399.5 i/s - 5.01x  slower

                         flt_ep10
              master:    777977.6 i/s
    bigdecimal 3.0.0:    158639.7 i/s - 4.90x  slower

                        flt_ep100
              master:    504259.4 i/s
    bigdecimal 3.0.0:    101676.5 i/s - 4.96x  slower

                         flt_em10
              master:    726338.6 i/s
    bigdecimal 3.0.0:    103439.2 i/s - 7.02x  slower

                        flt_em100
              master:    651446.3 i/s
    bigdecimal 3.0.0:     79675.3 i/s - 8.18x  slower

```

https://github.com/ruby/bigdecimal/commit/5bdaedd530
https://github.com/ruby/bigdecimal/commit/9bfff57f90
https://github.com/ruby/bigdecimal/commit/d071a0abbb

[ruby/bigdecimal] Rename BDIGIT to DECDIG

2021-01-06T04:52:12+00:00

https://github.com/ruby/bigdecimal/commit/686487d942

[ruby/bigdecimal] Move some definitions to missing.h

2021-01-04T04:29:10+00:00

https://github.com/ruby/bigdecimal/commit/c2b22cc8b3
https://github.com/ruby/bigdecimal/commit/8cbca8481d
https://github.com/ruby/bigdecimal/commit/f05aecf673

Revert "Include RUBY_EXTCONF_H if available"

2021-01-04T03:01:04+00:00

It is unnecessary because RUBY_EXTCONF_H has already been included in
ruby/internal/config.h.

This reverts commit 0644f466b0ef017202712882b557ba32863002c4.

Include RUBY_EXTCONF_H if available

2021-01-03T14:38:21+00:00