From b4bbfe4bb91db310d903a149cfa5525295e4a70c Mon Sep 17 00:00:00 2001 From: nobu Date: Sat, 20 Oct 2018 02:49:18 +0000 Subject: 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 --- numeric.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'numeric.c') diff --git a/numeric.c b/numeric.c index 292af0af27..d698fcedea 100644 --- a/numeric.c +++ b/numeric.c @@ -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#=== -- cgit v1.2.3