merge revision(s) 60040,60188: [Backport #14014]

	complex.c: no overflow

	* complex.c (rb_complex_finite_p): get rid of overflow and
	  unnecessary multiplication.

	test_complex.rb: NaN Complex

	* test/ruby/test_complex.rb (test_finite_p): assertions for NaN
	  Complex.  NaN is not an infinite nor a finite number.
	  [ruby-core:83272] [Bug #14014]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/numeric.c b/numeric.c
index 631e199dcc..de30ab8497 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1782,8 +1782,8 @@ flo_is_infinite_p(VALUE num)
  *
  */
 
-static VALUE
-flo_is_finite_p(VALUE num)
+VALUE
+rb_flo_is_finite_p(VALUE num)
 {
     double value = RFLOAT_VALUE(num);
 
@@ -5495,7 +5495,7 @@ Init_Numeric(void)
 
     rb_define_method(rb_cFloat, "nan?",      flo_is_nan_p, 0);
     rb_define_method(rb_cFloat, "infinite?", flo_is_infinite_p, 0);
-    rb_define_method(rb_cFloat, "finite?",   flo_is_finite_p, 0);
+    rb_define_method(rb_cFloat, "finite?",   rb_flo_is_finite_p, 0);
     rb_define_method(rb_cFloat, "next_float", flo_next_float, 0);
     rb_define_method(rb_cFloat, "prev_float", flo_prev_float, 0);
     rb_define_method(rb_cFloat, "positive?", flo_positive_p, 0);