defs/id.def: predefine to_f ID

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

complex.c

@@ -33,14 +33,14 @@ static VALUE nucomp_arg(VALUE self);
 
 static ID id_abs, id_arg,
     id_denominator, id_fdiv, id_numerator, id_quo,
-    id_real_p, id_to_f,
-    id_i_real, id_i_imag,
+    id_real_p, id_i_real, id_i_imag,
     id_finite_p, id_infinite_p, id_rationalize,
     id_PI;
 #define id_to_i idTo_i
 #define id_to_r idTo_r
 #define id_negate idUMinus
 #define id_expt idPow
+#define id_to_f idTo_f
 
 #define f_boolcast(x) ((x) ? Qtrue : Qfalse)
 
@@ -2125,7 +2125,6 @@ Init_Complex(void)
     id_numerator = rb_intern("numerator");
     id_quo = rb_intern("quo");
     id_real_p = rb_intern("real?");
-    id_to_f = rb_intern("to_f");
     id_i_real = rb_intern("@real");
     id_i_imag = rb_intern("@image"); /* @image, not @imag */
     id_finite_p = rb_intern("finite?");

defs/id.def

@@ -38,6 +38,7 @@ firstline, predefined = __LINE__+1, %[\
   to_a
   to_s
   to_i
+  to_f
   to_r
   bt
   bt_locations

object.c

@@ -50,7 +50,7 @@ VALUE rb_cFalseClass; /*!< FalseClass class */
 #define id_init_clone       idInitialize_clone
 #define id_init_dup         idInitialize_dup
 #define id_const_missing    idConst_missing
-static ID id_to_f;
+#define id_to_f             idTo_f
 
 #define CLASS_OR_MODULE_P(obj) \
     (!SPECIAL_CONST_P(obj) && \
@@ -4117,7 +4117,6 @@ InitVM_Object(void)
 void
 Init_Object(void)
 {
-    id_to_f = rb_intern_const("to_f");
     id_dig = rb_intern_const("dig");
     InitVM(Object);
 }

rational.c

@@ -962,7 +962,7 @@ nurat_fdiv(VALUE self, VALUE other)
 	return nurat_to_f(div);
     if (RB_FLOAT_TYPE_P(div))
 	return div;
-    return rb_funcall(div, rb_intern("to_f"), 0);
+    return rb_funcall(div, idTo_f, 0);
 }
 
 inline static VALUE