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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 02:49:18 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 02:49:18 +0000 |
commit | b4bbfe4bb91db310d903a149cfa5525295e4a70c (patch) | |
tree | f4238c1cbdc236dc5f5ee2d16661f0fa22449f7a /numeric.c | |
parent | c561284bc258dee0d3410f102573d768f6365f88 (diff) | |
download | bundler-b4bbfe4bb91db310d903a149cfa5525295e4a70c.tar.gz |
complex.c: small optimization of Complex#**
* 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
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -4077,6 +4077,22 @@ rb_int_pow(VALUE x, VALUE y) return Qnil; } +VALUE +rb_num_pow(VALUE x, VALUE y) +{ + VALUE z = rb_int_pow(x, y); + if (!NIL_P(z)) return z; + if (RB_FLOAT_TYPE_P(x)) return rb_float_pow(x, y); + if (SPECIAL_CONST_P(x)) return Qnil; + switch (BUILTIN_TYPE(x)) { + case T_COMPLEX: + return rb_complex_pow(x, y); + case T_RATIONAL: + return rb_rational_pow(x, y); + } + return Qnil; +} + /* * Document-method: Integer#== * Document-method: Integer#=== |