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-rw-r--r--ext/bigdecimal/bigdecimal.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 0a4357090..62ff80a86 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -1169,7 +1169,10 @@ BigDecimal_div2(int argc, VALUE *argv, VALUE self)
Real *mod;
obj = BigDecimal_DoDivmod(self,b,&div,&mod);
if(obj!=(VALUE)0) return obj;
- return ToValue(div);
+ if(VpIsNaN(div) && rb_equal(b, INT2FIX(0))) {
+ rb_raise(rb_eZeroDivError, "divided by 0");
+ }
+ return BigDecimal_to_i(ToValue(div));
} else { /* div in BigDecimal sense */
U_LONG ix = (U_LONG)GetPositiveInt(n);
if(ix==0) return BigDecimal_div(self,b);