From 845c02fb5d072b29d037393e70518d93dcf79398 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 6 Dec 2023 12:38:32 +0900
Subject: [PATCH] [DOC] Add missing documents

---
 ext/bigdecimal/bigdecimal.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index cf6e7ade..15fe41c2 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -1780,6 +1780,17 @@ BigDecimal_neg(VALUE self)
     return VpCheckGetValue(c);
 }
 
+/*
+ * call-seq:
+ *   a * b   -> bigdecimal
+ *
+ * Multiply by the specified value.
+ *
+ * The result precision will be the precision of the sum of each precision.
+ *
+ * See BigDecimal#mult.
+ */
+
 static VALUE
 BigDecimal_mult(VALUE self, VALUE r)
 {
@@ -3257,10 +3268,11 @@ BigDecimal_initialize_copy(VALUE self, VALUE other)
     return self;
 }
 
+/* :nodoc: */
 static VALUE
 BigDecimal_clone(VALUE self)
 {
-  return self;
+    return self;
 }
 
 #ifdef HAVE_RB_OPTS_EXCEPTION_P
@@ -3758,6 +3770,12 @@ f_BigDecimal(int argc, VALUE *argv, VALUE self)
     return rb_convert_to_BigDecimal(val, digs, exception);
 }
 
+/*  call-seq:
+ *    BigDecimal.interpret_loosely(string) -> bigdecimal
+ *
+ *  Returns the +BigDecimal+ converted loosely from +string+.
+ */
+
 static VALUE
 BigDecimal_s_interpret_loosely(VALUE klass, VALUE str)
 {