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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2015-09-02 22:29:01 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2015-09-02 22:29:01 +0900 |
| commit | 74696ffd9625e4dca43aa010d71020f10030de24 (patch) | |
| tree | eaea8d69d1645eef12b040b8532b504b6ba9d5c6 /mrblib/numeric.rb | |
| parent | 6ddd79fd0ebfd88a9b36be08d509e665a9322567 (diff) | |
| download | mruby-74696ffd9625e4dca43aa010d71020f10030de24.tar.gz mruby-74696ffd9625e4dca43aa010d71020f10030de24.zip | |
Float << and >> should be more compatible to Fixnum
Diffstat (limited to 'mrblib/numeric.rb')
| -rw-r--r-- | mrblib/numeric.rb | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/mrblib/numeric.rb b/mrblib/numeric.rb index 206185e78..6e4c5027f 100644 --- a/mrblib/numeric.rb +++ b/mrblib/numeric.rb @@ -165,12 +165,30 @@ class Float # floats should be compatible to integers. def >> other n = self.to_i - other.to_i.times { n /= 2 } - n + other = other.to_i + if other < 0 + n << -other + else + other.times { n /= 2 } + if n.abs < 1 + if n >= 0 + 0 + else + -1 + end + else + n.to_i + end + end end def << other n = self.to_i - other.to_i.times { n *= 2 } - n.to_i + other = other.to_i + if other < 0 + n >> -other + else + other.times { n *= 2 } + n + end end end |