Stop using GetVpValueWithPrec in rb_rational_convert_to_BigDecimal

mrkn · mrkn · commit b4f470da61a2 · 2021-01-09T15:28:08.000+09:00
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
@@ -2849,8 +2849,10 @@ rb_rational_convert_to_BigDecimal(VALUE val, size_t digs, int raise_exception)
                  "can't omit precision for a %"PRIsVALUE".",
                  CLASS_OF(val));
     }
-    Real *vp = GetVpValueWithPrec(val, digs, 1);
-    return check_exception(vp->obj);
+
+    VALUE num = rb_inum_convert_to_BigDecimal(rb_rational_num(val), 0, raise_exception);
+    VALUE d = BigDecimal_div2(num, rb_rational_den(val), SIZET2NUM(digs));
+    return d;
 }
 
 static VALUE

Original file line number	Diff line number	Diff line change
`@@ -2849,8 +2849,10 @@ rb_rational_convert_to_BigDecimal(VALUE val, size_t digs, int raise_exception)`
`2849`	`2849`	`"can't omit precision for a %"PRIsVALUE".",`
`2850`	`2850`	`CLASS_OF(val));`
`2851`	`2851`	`}`
`2852`		`- Real *vp = GetVpValueWithPrec(val, digs, 1);`
`2853`		`- return check_exception(vp->obj);`
	`2852`	`+`
	`2853`	`+ VALUE num = rb_inum_convert_to_BigDecimal(rb_rational_num(val), 0, raise_exception);`
	`2854`	`+ VALUE d = BigDecimal_div2(num, rb_rational_den(val), SIZET2NUM(digs));`
	`2855`	`+ return d;`
`2854`	`2856`	`}`
`2855`	`2857`
`2856`	`2858`	`static VALUE`