3 files changed, 30 insertions, 30 deletions
diff --git a/benchmark/float_neg_posi.yml b/benchmark/float_neg_posi.yml
new file mode 100644
index 0000000000..172db1bf6d
--- /dev/null
+++ b/benchmark/float_neg_posi.yml
@@ -0,0 +1,8 @@
+prelude: |
+  flo = 4.2
+benchmark:
+  negative?: |
+    flo.negative?
+  positive?: |
+    flo.positive?
+loop_count: 20000000
diff --git a/numeric.c b/numeric.c
index 97fc239211..bcc0ab7c61 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2386,34 +2386,6 @@ flo_truncate(int argc, VALUE *argv, VALUE num)
 
 /*
  *  call-seq:
- *     float.positive?  ->  true or false
- *
- *  Returns +true+ if +float+ is greater than 0.
- */
-
-static VALUE
-flo_positive_p(VALUE num)
-{
-    double f = RFLOAT_VALUE(num);
-    return f > 0.0 ? Qtrue : Qfalse;
-}
-
-/*
- *  call-seq:
- *     float.negative?  ->  true or false
- *
- *  Returns +true+ if +float+ is less than 0.
- */
-
-static VALUE
-flo_negative_p(VALUE num)
-{
-    double f = RFLOAT_VALUE(num);
-    return f < 0.0 ? Qtrue : Qfalse;
-}
-
-/*
- *  call-seq:
  *     num.floor([ndigits])  ->  integer or float
  *
  *  Returns the largest number less than or equal to +num+ with
@@ -5654,8 +5626,6 @@ Init_Numeric(void)
     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);
-    rb_define_method(rb_cFloat, "negative?", flo_negative_p, 0);
 }
 
 #undef rb_float_value
diff --git a/numeric.rb b/numeric.rb
index fbddaa9f6d..0746a83820 100644
--- a/numeric.rb
+++ b/numeric.rb
@@ -204,4 +204,26 @@ class Float
     Primitive.attr! 'inline'
     Primitive.cexpr! 'FLOAT_ZERO_P(self) ? Qtrue : Qfalse'
   end
+
+  #
+  #  call-seq:
+  #     float.positive?  ->  true or false
+  #
+  #  Returns +true+ if +float+ is greater than 0.
+  #
+  def positive?
+    Primitive.attr! 'inline'
+    Primitive.cexpr! 'RFLOAT_VALUE(self) > 0.0 ? Qtrue : Qfalse'
+  end
+
+  #
+  #  call-seq:
+  #     float.negative?  ->  true or false
+  #
+  #  Returns +true+ if +float+ is less than 0.
+  #
+  def negative?
+    Primitive.attr! 'inline'
+    Primitive.cexpr! 'RFLOAT_VALUE(self) < 0.0 ? Qtrue : Qfalse'
+  end
 end