From bd288dcc8bd661b51856e95a9d649a1130580627 Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 21 Dec 2016 15:35:29 +0000
Subject: bigdecimal: version 1.3.0

Import bigdecimal version 1.3.0.  The full commit log is here:

  https://github.com/ruby/bigdecimal/compare/v1.3.0.pre.2...v1.3.0

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57145 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/bigdecimal/bigdecimal.c | 46 +++++++++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 18 deletions(-)

(limited to 'ext/bigdecimal/bigdecimal.c')

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 34817304e8..0d9d0518a8 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -335,15 +335,18 @@ BigDecimal_double_fig(VALUE self)
     return INT2FIX(VpDblFig());
 }
 
-/* call-seq:
- * precs
+/*  call-seq:
+ *     big_decimal.precs  ->  array
+ *
+ *  Returns an Array of two Integer values.
  *
- * Returns an Array of two Integer values.
+ *  The first value is the current number of significant digits in the
+ *  BigDecimal. The second value is the maximum number of significant digits
+ *  for the BigDecimal.
  *
- * The first value is the current number of significant digits in the
- * BigDecimal. The second value is the maximum number of significant digits
- * for the BigDecimal.
+ *     BigDecimal('5').precs #=> [9, 18]
  */
+
 static VALUE
 BigDecimal_prec(VALUE self)
 {
@@ -456,7 +459,7 @@ check_rounding_mode_option(VALUE const opts)
         goto noopt;
 
     mode = rb_hash_lookup2(opts, ID2SYM(id_half), Qundef);
-    if (mode == Qundef)
+    if (mode == Qundef || NIL_P(mode))
         goto noopt;
 
     if (SYMBOL_P(mode))
@@ -478,6 +481,7 @@ check_rounding_mode_option(VALUE const opts)
             return VP_ROUND_HALF_EVEN;
         else if (strncasecmp(s, "down", 4) == 0)
             return VP_ROUND_HALF_DOWN;
+        break;
       default:
         break;
     }
@@ -901,13 +905,14 @@ BigDecimal_coerce(VALUE self, VALUE other)
 }
 
 /*
- * call-seq: +@
+ * call-seq:
+ *    +big_decimal  ->  big_decimal
  *
  * Return self.
  *
- * e.g.
- *   b = +a  # b == a
+ *     +BigDecimal('5')  #=> 0.5e1
  */
+
 static VALUE
 BigDecimal_uplus(VALUE self)
 {
@@ -1218,14 +1223,14 @@ BigDecimal_ge(VALUE self, VALUE r)
 }
 
 /*
- * call-seq: -@
+ *  call-seq:
+ *     -big_decimal  ->  big_decimal
  *
- * Return the negation of self.
+ *  Return the negation of self.
  *
- * e.g.
- *   b = -a
- *   b == a * -1
+ *    -BigDecimal('5')  #=> -0.5e1
  */
+
 static VALUE
 BigDecimal_neg(VALUE self)
 {
@@ -1672,11 +1677,16 @@ BigDecimal_mult2(VALUE self, VALUE b, VALUE n)
     }
 }
 
-/* Returns the absolute value, as a BigDecimal.
+/*
+ *  call-seq:
+ *     big_decimal.abs  ->  big_decimal
  *
- *   BigDecimal('5').abs #=> 5
- *   BigDecimal('-3').abs #=> 3
+ *  Returns the absolute value, as a BigDecimal.
+ *
+ *     BigDecimal('5').abs  #=> 0.5e1
+ *     BigDecimal('-3').abs #=> 0.3e1
  */
+
 static VALUE
 BigDecimal_abs(VALUE self)
 {
-- 
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