Remove unused `mrb_num_div()` function.

include/mruby/numeric.h

@@ -39,7 +39,6 @@ MRB_API mrb_float mrb_to_flo(mrb_state *mrb, mrb_value x);
 mrb_value mrb_fixnum_plus(mrb_state *mrb, mrb_value x, mrb_value y);
 mrb_value mrb_fixnum_minus(mrb_state *mrb, mrb_value x, mrb_value y);
 mrb_value mrb_fixnum_mul(mrb_state *mrb, mrb_value x, mrb_value y);
-mrb_value mrb_num_div(mrb_state *mrb, mrb_value x, mrb_value y);
 
 #ifndef __has_builtin
   #define __has_builtin(x) 0

src/numeric.c

@@ -112,30 +112,6 @@ num_pow(mrb_state *mrb, mrb_value x)
 #endif
 }
 
-/* 15.2.8.3.4  */
-/* 15.2.9.3.4  */
-/*
- * call-seq:
- *   num / other  ->  num
- *
- * Performs division: the class of the resulting object depends on
- * the class of <code>num</code> and on the magnitude of the
- * result.
- */
-
-mrb_value
-mrb_num_div(mrb_state *mrb, mrb_value x, mrb_value y)
-{
-#ifdef MRB_WITHOUT_FLOAT
-  if (!mrb_fixnum_p(y)) {
-    mrb_raise(mrb, E_TYPE_ERROR, "non fixnum value");
-  }
-  return mrb_fixnum_value(mrb_fixnum(x) / mrb_fixnum(y));
-#else
-  return mrb_float_value(mrb, mrb_to_flo(mrb, x) / mrb_to_flo(mrb, y));
-#endif
-}
-
 static mrb_value
 num_idiv(mrb_state *mrb, mrb_value x)
 {
@@ -155,6 +131,17 @@ num_idiv(mrb_state *mrb, mrb_value x)
 #endif
 }
 
+/* 15.2.8.3.4  */
+/* 15.2.9.3.4  */
+/*
+ * call-seq:
+ *   num / other  ->  num
+ *
+ * Performs division: the class of the resulting object depends on
+ * the class of <code>num</code> and on the magnitude of the
+ * result.
+ */
+
 /* 15.2.9.3.19(x) */
 /*
  *  call-seq: