Set rounding mode in example

BurdetteLamar · mrkn · commit 42c999f728ba · 2021-11-26T01:44:17.000+09:00
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
@@ -1891,6 +1891,8 @@ BigDecimal_div3(int argc, VALUE *argv, VALUE self)
   *
   *  Examples:
   *
+  *    # Set the rounding mode.
+  *    BigDecimal.mode(BigDecimal::ROUND_MODE, BigDecimal::ROUND_HALF_UP)
   *    BigDecimal('111111.111').add(1, 0) # => 0.111112111e6
   *    BigDecimal('111111.111').add(1, 2) # => 0.11e6
   *    BigDecimal('111111.111').add(1, 3) # => 0.111e6

Original file line number	Diff line number	Diff line change
`@@ -1891,6 +1891,8 @@ BigDecimal_div3(int argc, VALUE *argv, VALUE self)`
`1891`	`1891`	`*`
`1892`	`1892`	`* Examples:`
`1893`	`1893`	`*`
	`1894`	`+ * # Set the rounding mode.`
	`1895`	`+ * BigDecimal.mode(BigDecimal::ROUND_MODE, BigDecimal::ROUND_HALF_UP)`
`1894`	`1896`	`* BigDecimal('111111.111').add(1, 0) # => 0.111112111e6`
`1895`	`1897`	`* BigDecimal('111111.111').add(1, 2) # => 0.11e6`
`1896`	`1898`	`* BigDecimal('111111.111').add(1, 3) # => 0.111e6`