Fix serializing fractional decimals that would round up.

git-svn-id: http://svn.drobilla.net/serd/trunk@489 490d8e77-9747-427b-9fa3-0b8f29cee8a0

2 files changed, 3 insertions, 2 deletions

diff --git a/NEWS b/NEWS
index 144b4c63..84eb68ef 100644
--- a/NEWS
+++ b/NEWS
@@ -5,11 +5,12 @@ serd (0.21.1) unstable;
   * Add serd_reader_set_strict() and -l (lax) option to serdi to tolerate
     parsing URIs with escaped characters
   * Fix reading statements ending with a blank then dot with no space
+  * Fix serializing fractional decimals that would round up
   * Add support for Turtle named inline nodes extension
   * Report errors for invalid IRI characters and missing terminators
   * Fix warnings when building with ISO C++ compilers
 
- -- David Robillard <d@drobilla.net>  Wed, 17 Dec 2014 00:49:08 -0500
+ -- David Robillard <d@drobilla.net>  Sat, 04 Apr 2015 16:22:17 -0400
 
 serd (0.20.0) stable;
 
diff --git a/src/node.c b/src/node.c
index 6b35dd79..1f8cb115 100644
--- a/src/node.c
+++ b/src/node.c
@@ -219,7 +219,7 @@ serd_node_new_uri(const SerdURI* uri, const SerdURI* base, SerdURI* out)
 static inline unsigned
 serd_digits(double abs)
 {
-	const double lg = ceil(log10(abs + 1.0));
+	const double lg = ceil(log10(floor(abs) + 1.0));
 	return lg < 1.0 ? 1U : (unsigned)lg;
 }