* range.c (range_step): fix the guard condition so that a beginless
range can be turned into a beginless arithmetic sequence.
* test/ruby/test_range.rb (test_step): add assertions for the above
change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67433 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Do not use the optimized version of Range#last when Range#each is
redefined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This change improves the performance of Range#last method for a range
of integer. This optimization directly computes only required values
only in a range instead of converting all values in the range to an
array. The optimized implementation is 129-16.7k times faster than
the previous one in the benchmark result given below.
=== Benchmark Result ===
```
$ make benchmark ITEM=range_last COMPARE_RUBY=/Users/mrkn/.rbenv/versions/2.6.0/bin/ruby
generating known_errors.inc
known_errors.inc unchanged
/Users/mrkn/src/github.com/ruby/ruby/revision.h unchanged
/Users/mrkn/.rbenv/shims/ruby --disable=gems -rrubygems -I/Users/mrkn/src/github.com/ruby/ruby/benchmark/lib /Users/mrkn/src/github.com/ruby/ruby/benchmark/benchmark-driver/exe/benchmark-driver \
--executables="compare-ruby::/Users/mrkn/.rbenv/versions/2.6.0/bin/ruby -I.ext/common --disable-gem" \
--executables="built-ruby::./miniruby -I/Users/mrkn/src/github.com/ruby/ruby/lib -I. -I.ext/common -r/Users/mrkn/src/github.com/ruby/ruby/prelude --disable-gem" \
$(find /Users/mrkn/src/github.com/ruby/ruby/benchmark -maxdepth 1 -name '*range_last*.yml' -o -name '*range_last*.rb' | sort)
Warming up --------------------------------------
(1..1_000_000).last(100) 35.600 i/s - 36.000 times in 1.011239s (28.09ms/i)
(1..1_000_000).last(1000) 36.204 i/s - 39.000 times in 1.077240s (27.62ms/i)
(1..1_000_000).last(10000) 36.470 i/s - 39.000 times in 1.069386s (27.42ms/i)
Calculating -------------------------------------
compare-ruby built-ruby
(1..1_000_000).last(100) 36.477 609.196k i/s - 106.000 times in 2.905950s 0.000174s
(1..1_000_000).last(1000) 35.936 50.350k i/s - 108.000 times in 3.005321s 0.002145s
(1..1_000_000).last(10000) 35.641 4.602k i/s - 109.000 times in 3.058233s 0.023685s
Comparison:
(1..1_000_000).last(100)
built-ruby: 609195.7 i/s
compare-ruby: 36.5 i/s - 16700.87x slower
(1..1_000_000).last(1000)
built-ruby: 50349.7 i/s
compare-ruby: 35.9 i/s - 1401.08x slower
(1..1_000_000).last(10000)
built-ruby: 4602.1 i/s
compare-ruby: 35.6 i/s - 129.12x slower
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Reject ArithmeticSequence in rb_range_values so that methods like
Array#[] raises TypeError for ArithmeticSequence as an index.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
New public C-API for extracting components of Enumerator::ArithmeticSequence
or Range.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Especially over checking argc then calling rb_scan_args just to
raise an ArgumentError.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_cover): add code for range argument.
If the argument is a Range, check it is or is not
covered by the reciver. If it can be treated as a
sequence, this method treats it that way.
* test/ruby/test_range.rb (class TestRange): add tests
for this feature.
This patch is written by Owen Stephens. thank you!
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit introduces new core class Enumerator::ArithmeticSequence.
Enumerator::ArithmeticSequence is a subclass of Enumerator, and
represents a number generator of an arithmetic sequence.
After this commit, Numeric#step and Range#step without blocks
returned an ArithmeticSequence object instead of an Enumerator.
This class introduces the following incompatibilities:
- You can create a zero-step ArithmeticSequence,
and its size is not ArgumentError, but Infinity.
- You can create a negative-step ArithmeticSequence from a range.
[ruby-core:82816] [Feature #13904]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Also, Range#min raises an error if it is endless and a comparison method
is specified.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63716 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Now endless range can be created by either a literal `(1..)` or explicit
range creation `Range.new(1, nil)`. [Bug #14845]
This change is intended for "early failure"; for example,
`(1..var).to_a` causes out of memory if `var` is inadvertently nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_each): shortcirtuit endless symbol range too, as
well as `#step`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_each_func): adjust the signature of the callback
function to rb_str_upto_each, and exit the loop if the callback
returned non-zero.
* string.c (rb_str_upto_endless_each): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_each): endless range begins with string-like
object should iterate from the converted result string, as well
as `#each` on a string-end range or `#step` method on an endless
range, i.e., `begin.succ` should not be called.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63283 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_step): FIXABLE + FIXABLE never overflow, but may
not be FIXABLE. [Feature #12912]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
range.c: cast the function type to meet the declaration
This change is for fixing build error on AppVeyor:
https://ci.appveyor.com/project/ruby/ruby/build/1.0.8177
string.c
../string.c(4330) : error C4028: formal parameter 2 different from declaration
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Typical usages:
```
p ary[1..] # drop the first element; identical to ary[1..-1]
(1..).each {|n|...} # iterate forever from 1; identical to 1.step{...}
```
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
For checking whether an object is an Integer, because a subclass of
Integer is meaningless in Ruby, RB_INTEGER_TYPE_P is better than
rb_obj_is_kind_of for speed.
* object.c (rb_to_integer): Use RB_INTEGER_TYPE_P instead of rb_obj_is_kind_of.
* object.c (rb_check_to_integer): ditto.
* range.c (range_max): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (rb_range_values): use rb_check_funcall instead of
calling rb_respond_to then rb_funcall, and allow `begin` and
`end` to be private as well as other internal conversions.
[ruby-core:83541] [Bug #14048]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (rb_range_values): should raise TypeError if necessary
method is not defined, not NoMethodError, when trying to tell if
the object is a Range and extract info.
[ruby-core:83541] [Bug #14048]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_init): no longer hide the user exception
with a ArgumentError, just let the user exception go through.
* test/ruby/test_range.rb (test_new): add tests.
[Feature #7688]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* range.c (range_loader): check loading values if the data came
from an initialized range object. [ruby-core:78067] [Bug #12915]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56703 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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