archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-15 13:39:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

complex.c: small optimization of Complex#**

Browse source 
* 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
This commit is contained in:
nobu 2018-10-20 02:49:18 +00:00
parent c561284bc2
commit b4bbfe4bb9
5 changed files with 79 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

5
rational.c
View file

@ -1001,8 +1001,8 @@ f_odd_p(VALUE integer)
* Rational(1, 2) ** 0 #=> (1/1)
* Rational(1, 2) ** 0.0 #=> 1.0
*/
static VALUE
nurat_expt(VALUE self, VALUE other)
VALUE
rb_rational_pow(VALUE self, VALUE other)
{
if (k_numeric_p(other) && k_exact_zero_p(other))
return f_rational_new_bang1(CLASS_OF(self), ONE);
@ -1077,6 +1077,7 @@ nurat_expt(VALUE self, VALUE other)
return rb_num_coerce_bin(self, other, rb_intern("**"));
}
}
#define nurat_expt rb_rational_pow
/*
* call-seq: