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2019-01-18merge revision(s) 66796,66797: [Backport #15525]naruse
No TypeError at nil if exception: false [ruby-core:91021] [Bug #15525] No FloatDomainError at non-finitive number if exception: false [ruby-core:91021] [Bug #15525] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@66862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-01-17merge revision(s) 66681,66682,66684,66688,66697,66751,66693,66694: [Backport ↵naruse
#15491] complex.c: Optimize Complex#+ for some conditions Optimize f_add defined in complex.c for some specific conditions. It makes Complex#+ about 1.4x faster than r66678. Compared to r66678: ``` mrkn-mbp15-late2016:complex-optim-o3 mrkn$ make benchmark ITEM=complex_float_ COMPARE_RUBY=/Users/mrkn/.rbenv/versions/trunk-o3/bin/ruby /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/trunk-o3/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 '*complex_float_*.yml' -o -name '*complex_float_*.rb' | sort) Calculating ------------------------------------- compare-ruby built-ruby complex_float_add 9.132M 12.864M i/s - 1.000M times in 0.109511s 0.077734s complex_float_div 600.723k 627.878k i/s - 1.000M times in 1.664662s 1.592666s complex_float_mul 2.320M 2.347M i/s - 1.000M times in 0.431039s 0.426113s complex_float_new 1.473M 1.489M i/s - 1.000M times in 0.678791s 0.671750s complex_float_power 1.690M 1.722M i/s - 1.000M times in 0.591863s 0.580775s complex_float_sub 8.870M 9.516M i/s - 1.000M times in 0.112740s 0.105091s Comparison: complex_float_add built-ruby: 12864383.7 i/s compare-ruby: 9131502.8 i/s - 1.41x slower complex_float_div built-ruby: 627878.0 i/s compare-ruby: 600722.5 i/s - 1.05x slower complex_float_mul built-ruby: 2346795.3 i/s compare-ruby: 2319975.7 i/s - 1.01x slower complex_float_new built-ruby: 1488649.1 i/s compare-ruby: 1473207.5 i/s - 1.01x slower complex_float_power built-ruby: 1721837.2 i/s compare-ruby: 1689580.2 i/s - 1.02x slower complex_float_sub built-ruby: 9515562.7 i/s compare-ruby: 8869966.3 i/s - 1.07x slower ``` suppress warning: method redefined; discarding old + introduced at r66681 complex.c: fix indentation complex.c: fix against redefining component methods This fixes the incompatibility (maybe unintentionally) introduced by removal of `#ifndef PRESERVE_SIGNEDZERO` guards in f_add, f_mul, and f_sub functions in r62701. [Bug #15491] [ruby-core:90843] complex.c: Optimize Complex#* and Complex#** Optimize f_mul for the core numeric class components. This change improves the computation time of Complex#* and Complex#**. ``` $ make benchmark ITEM=complex_float_ 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 '*complex_float_*.yml' -o -name '*complex_float_*.rb' | sort) Calculating ------------------------------------- compare-ruby built-ruby complex_float_add 6.558M 13.012M i/s - 1.000M times in 0.152480s 0.076850s complex_float_div 576.821k 567.969k i/s - 1.000M times in 1.733640s 1.760660s complex_float_mul 1.690M 2.628M i/s - 1.000M times in 0.591786s 0.380579s complex_float_new 1.350M 1.268M i/s - 1.000M times in 0.740669s 0.788762s complex_float_power 1.571M 1.835M i/s - 1.000M times in 0.636507s 0.544909s complex_float_sub 8.635M 8.779M i/s - 1.000M times in 0.115814s 0.113906s Comparison: complex_float_add built-ruby: 13012361.7 i/s compare-ruby: 6558237.1 i/s - 1.98x slower complex_float_div compare-ruby: 576821.0 i/s built-ruby: 567968.8 i/s - 1.02x slower complex_float_mul built-ruby: 2627575.4 i/s compare-ruby: 1689800.0 i/s - 1.55x slower complex_float_new compare-ruby: 1350130.8 i/s built-ruby: 1267809.6 i/s - 1.06x slower complex_float_power built-ruby: 1835168.8 i/s compare-ruby: 1571074.6 i/s - 1.17x slower complex_float_sub built-ruby: 8779168.8 i/s compare-ruby: 8634534.7 i/s - 1.02x slower ``` complex.c: replace misused UNLIKELY with LIKELY test_complex.rb: fix tests for RUBYOPT="-w" test_complex.rb: use the same approach to fix failures as r66682. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@66854 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-22{complex,object,rational}.c: document exception: falsenormal
From: Victor Shepelev <zverok.offline@gmail.com> [ruby-core:90673] [Bug #15452] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-22Use idExceptionnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-06Prefer rb_check_arity when 0 or 1 argumentsnobu
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
2018-12-04Prefer rb_check_arity when 0 or 1 argumentsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-14rational.c (nurat_div): use the dedicated function nurat_to_fnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65727 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-14* expand tabs.svn
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-14numeric.c: avoid division by zeroshyouhei
same as r65642. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65725 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-08refine parse_ratnobu
* rational.c (read_num): return the exponent instead of the divisor, to get rid of huge bignums. * rational.c (parse_rat): subtract exponents instead of reduction of powers. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-20complex.c: small optimization of Complex#**nobu
* complex.c (rb_complex_pow): calculate power of a Fixnum without allocating intermediate Complex objects, and avoid unexpected NaNs. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-05Remove wrong conversionnobu
* rational.c (nurat_to_double): should return `double`, not `Float`. fix r64897. [Bug #15189] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-02Fix Rational of Floatnobu
[ruby-core:89239] [Bug #15189] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-29rational.c: may be floatnobu
* rational.c (f_muldiv): Integer#** can return Rational with Float right now. [ruby-core:89212] [Bug #15175] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-29Split assertion expressionsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64875 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-04rational.c: remove duplicate macrosnobu
* rational.c (RRATIONAL_SET_{NUM,DEN}): also defined in internal.h since r53887. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-01complex.c: simplify division resultnobu
* complex.c (f_divide): canonicalize rationals to simplify integer complex results. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64610 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-15Add `exception:` keyword in Kernel#Rational()mrkn
Support `exception:` keyword argument in `Kernel#Rational()`. If `exception:` is `false`, `Kernel#Rational()` returns `nil` if the given value cannot be interpreted as a rational value. The default value of `exception:` is `true`. This is part of [Feature #12732]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-09Removed useless assertions [ci skip]nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62703 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-09rational.c: removed redundant conditionsnobu
Fixnums can be compared by object values themselves only. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62702 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-07complex.c, rational.c: no backrefnobu
Since r37702, parsing complex and rational do not use regexp. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62687 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-07complex.c, rational.c: adjust indentnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-07complex.c, rational.c: simplified macro conditionsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62682 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-27Support two `to_r`-responding args in Rational()mrkn
* rational.c (nurat_s_convert): call `to_r` to convert non-Numeric objects also if argc == 2 in Rational(). * test/ruby/test_rational.rb: add tests. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-27defs/id.def: predefine to_f IDnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-24complex.c, rational.c: remove dead codemrkn
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62565 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-24rational.c: simplify a branch conditionmrkn
* rational.c (nurat_s_convert): simplify a branch condition. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-24rational.c: removed needless calcnobu
* rational.c (read_num): exp(0) is 1, no need to multiply. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62556 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-24rational.c: segfault on Rational exponentnobu
* rational.c (read_num): fix segfault on Rational() with positive but less than the length of fractional part exponent. should be negated to convert to divisor which is a reciprocal. [ruby-core:85783] [Bug #14547] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-23[DOC] nodoc internal methods/classesnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62542 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-30force fixablenobu
* complex.c (nucomp_hash): force hash values fixable. [ruby-core:85224] [Bug #14420] * rational.c (nurat_hash): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62107 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-22use predefined IDskazu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62008 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-20add missing/nan.cshyouhei
instead of scattering #ifdef HAVE_NANF here and there define our own nan() unless defined elsewhere. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61971 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-19INFINITY is float. That of double is HUGE_VAL.shyouhei
It seems HUGE_VAL is already used. Why not eliminate INTINITY. NAN is also float. That of double is called nan(). This is also fixed. Signed-off-by: Urabe, Shyouhei <shyouhei@ruby-lang.org> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-10-19freeze Complex and Rationalnobu
* complex.c (nucomp_s_new_internal, nucomp_loader): Complex instances are always frozen now. [Feature #13983] * rational.c (nurat_s_new_internal, nurat_loader): Rational instances are always frozen now. [Feature #13983] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-31Improve performance of implicit type conversionwatson1978
To convert the object implicitly, it has had two parts in convert_type() which are 1. lookink up the method's id 2. calling the method Seems that strncmp() and strcmp() in convert_type() are slightly heavy to look up the method's id for type conversion. This patch will add and use internal APIs (rb_convert_type_with_id, rb_check_convert_type_with_id) to call the method without looking up the method's id when convert the object. Array#flatten -> 19 % up Array#+ -> 3 % up [ruby-dev:50024] [Bug #13341] [Fix GH-1537] ### Before Array#flatten 104.119k (± 1.1%) i/s - 525.690k in 5.049517s Array#+ 1.993M (± 1.8%) i/s - 10.010M in 5.024258s ### After Array#flatten 124.005k (± 1.0%) i/s - 624.240k in 5.034477s Array#+ 2.058M (± 4.8%) i/s - 10.302M in 5.019328s ### Test Code require 'benchmark/ips' class Foo def to_ary [1,2,3] end end Benchmark.ips do |x| ary = [] 100.times { |i| ary << i } array = [ary] x.report "Array#flatten" do |i| i.times { array.flatten } end x.report "Array#+" do |i| obj = Foo.new i.times { array + obj } end end git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58978 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-27Improve performance of some Time & Rational methodswatson1978
rational.c (i_gcd): replace GCD algorithm from Euclidean algorithm to Stein algorithm (https://en.wikipedia.org/wiki/Binary_GCD_algorithm). Some Time methods will call internal quov() function and it calls Rational#quo -> f_muldiv() -> i_gcd() in rational.c And some Rational methods also call i_gcd(). The implementation of Euclidean algorithm spent a long time at modulo operation (ie "x = y % x;"). The Stein algorithm will replace with shift operation which is faster than modulo. Time#subsec -> 36 % up Time#to_r -> 26 % up Rational#+ -> 14 % up Rational#- -> 15 % up Rational#* -> 13 % up [ruby-core:80843] [Bug #13503] [Fix GH-1596] ### Before Time#subsec 2.142M (± 9.8%) i/s - 10.659M in 5.022659s Time#to_r 2.003M (± 9.1%) i/s - 9.959M in 5.012445s Rational#+ 3.843M (± 0.9%) i/s - 19.274M in 5.016254s Rational#- 3.820M (± 1.3%) i/s - 19.149M in 5.014137s Rational#* 5.198M (± 1.4%) i/s - 26.016M in 5.005664s * After Time#subsec 2.902M (± 2.9%) i/s - 14.505M in 5.001815s Time#to_r 2.503M (± 4.8%) i/s - 12.512M in 5.011454s Rational#+ 4.390M (± 1.2%) i/s - 22.001M in 5.012413s Rational#- 4.391M (± 1.2%) i/s - 22.013M in 5.014584s Rational#* 5.872M (± 2.2%) i/s - 29.369M in 5.003666s * Test code require 'benchmark/ips' Benchmark.ips do |x| x.report "Time#subsec" do |t| time = Time.now t.times { time.subsec } end x.report "Time#to_r" do |t| time = Time.now t.times { time.to_r } end x.report "Rational#+" do |t| rat1 = 1/2r rat2 = 1/3r t.times { rat1 + rat2 } end x.report "Rational#-" do |t| rat1 = 1/3r rat2 = 1/2r t.times { rat1 - rat2 } end x.report "Rational#*" do |t| rat1 = 1/3r rat2 = 1/2r t.times { rat1 * rat2 } end end git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-27Improve performance of some Time methodswatson1978
internal.h : add rb_numeric_quo() as internal API. rational.c : rename numeric_quo() to rb_numeric_quo() as internal API. time.c (quov): optimize by invoking rb_numeric_quo() to retrieve a value of Numeric#quo instead of method dispatching via rb_funcall(). Time#subsec -> 7 % up Time#- -> 26 % up Time#to_f -> 30 % up Time#to_r -> 7 % up [ruby-core:80915] [Bug #13519] [Fix GH-1601] ### Before Time#subsec 2.024M (± 8.7%) i/s - 10.062M in 5.009762s Time#- 5.049M (± 4.7%) i/s - 25.186M in 5.002379s Time#to_f 5.625M (± 4.2%) i/s - 28.066M in 5.000749s Time#to_r 1.880M (± 9.7%) i/s - 9.361M in 5.027527s ### After Time#subsec 2.155M (± 9.7%) i/s - 10.724M in 5.022579s Time#- 6.362M (± 2.0%) i/s - 31.824M in 5.004625s Time#to_f 7.287M (± 4.8%) i/s - 36.402M in 5.010983s Time#to_r 2.020M (± 9.4%) i/s - 10.059M in 5.021852s ### Test code require 'benchmark/ips' Benchmark.ips do |x| x.report "Time#subsec" do |t| time = Time.now t.times { time.subsec } end x.report "Time#-" do |t| time1 = Time.now time2 = Time.now t.times { time1 - time2 } end x.report "Time#to_f" do |t| time = Time.now t.times { time.to_f } end x.report "Time#to_r" do |t| time = Time.now t.times { time.to_r } end end git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-01rational.c: canonicalization casenobu
* rational.c (float_numerator, float_denominator): fix for canonicalization case where `Float#to_r` could return an Integer not a Rational. although mathn.rb has been removed in the trunk, fix for the backport purpose. [ruby-core:80942] [Bug #13528] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-04-03improve docs for #truncate, #floor, and #ceil methodsstomar
* numeric.c: [DOC] improve and harmonize documentation for {Float,Integer,Numeric}#{truncate,floor,ceil}. * rational.c: [DOC] ditto for Rational#{truncate,floor,ceil}. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-04-03improve docs for #round methodsstomar
* numeric.c: [DOC] improve and harmonize documentation for {Float,Integer,Numeric}#round. * rational.c: [DOC] ditto for Rational#round. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-04-01rational.c: improves Rational#round rdoc [ci skip]nobu
* rational.c (nurat_round_n): [DOC] improves Integer#round documentation as well as Float#round. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-04-01rational.c: improve docsstomar
* rational.c: [DOC] improve docs for Rational and related methods * improve class documentation for Rational * fix call-seq's * simplify examples for Rational#{floor,ceil,truncate,round} * fix wrong examples for #floor, subtraction, and exponentiation * improve docs for #<=>, Kernel#Rational, {String,Float}#to_r, Integer.{gcd,lcm,gcdlcm} * fix typos, grammar, and rdoc formatting * other improvements git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-16rational.c: initialize nnobu
* rational.c (read_num): `n` was used uninitialized when the string started with a period. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-16rational.c: float denomnobu
* rational.c (parse_rat): allow float as a denominator as well as a numerator. [ruby-core:79104] [Bug #13134] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-16rational.c: read_numnobu
* rational.c (read_num): use rb_int_parse_cstr to parse integer parts, and make String#to_r consistent with #to_i and #to_f. [ruby-core:80098] [Bug #13105] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-03-16rational.c: zero divisionnobu
* rational.c (read_rat_nos): denominator cannot be 0, raise zero division in that case. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-22rational.c: infinity in powernobu
* rational.c (nurat_expt): return 0 due to overflow. [ruby-core:79686] [Bug #13242]: git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-22rational.c: infinity in powernobu
* rational.c (nurat_expt): return Infinity due to overflow. [ruby-core:79686] [Bug #13242]: git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-22rational.c: fix rdockazu
* rational.c: [DOC] fix wrong indentations and comment out some lines in code examples to make them valid Ruby code and syntax highlighted on the rendered page. [ci skip] [ruby-core:79607] [Bug #13233] Author: Marcus Stollsteimer <sto.mar@web.de> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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