From 5aef1add426ca00daee5af38b27c52d7e49e3491 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Mon, 28 Jul 2008 02:16:58 -0400
Subject: Merged over fix to #205 from v2.6.1b, which deals with small
 commodity rounding.

---
 amount.cc |  3 ++-
 entry.cc  | 16 +++++++++-------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/amount.cc b/amount.cc
index d96913d3..1749013e 100644
--- a/amount.cc
+++ b/amount.cc
@@ -703,7 +703,8 @@ bool amount_t::is_zero() const
     throw_(amount_error, "Cannot determine if an uninitialized amount is zero");
 
   if (has_commodity()) {
-    if (quantity->prec <= commodity().precision())
+    if (quantity->prec <= commodity().precision() ||
+	quantity->has_flags(BIGINT_KEEP_PREC))
       return is_realzero();
     else
       return round(commodity().precision()).sign() == 0;
diff --git a/entry.cc b/entry.cc
index 2feaa761..81dfc7df 100644
--- a/entry.cc
+++ b/entry.cc
@@ -311,14 +311,16 @@ bool entry_base_t::finalize()
   //            (item-position-end-line (entry-position entry))
   //            (format-value balance :width 20)))
 
-  if (! balance.is_null() && ! balance.is_zero()) {
-    error * err =
-      new balance_error("Entry does not balance",
-			new entry_context(*this, "While balancing entry:"));
+  if (! balance.is_null()) {
     balance.round();
-    err->context.push_front
-      (new value_context(balance, "Unbalanced remainder is:"));
-    throw err;
+    if (! balance.is_zero()) {
+      error * err =
+	new balance_error("Entry does not balance",
+			  new entry_context(*this, "While balancing entry:"));
+      err->context.push_front
+	(new value_context(balance, "Unbalanced remainder is:"));
+      throw err;
+    }
   }
 
   return true;
-- 
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