From 1b103bc875b2e53eab818053cf1baec140a419c7 Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@hdfgroup.org>
Date: Thu, 13 May 2010 18:05:49 -0500
Subject: [svn-r18799] Description:     Added note about use of volatile for
 variables.

Tested on:
    None - trivial change to comment.
---
 src/H5detect.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/H5detect.c b/src/H5detect.c
index 4490fb5..1eaaac0 100644
--- a/src/H5detect.c
+++ b/src/H5detect.c
@@ -279,6 +279,9 @@ precision (detected_t *d)
  *		absence of implicit mantissa bit, and exponent bias and
  *		initializes a detected_t structure with those properties.
  *
+ * Note:	'volatile' is used for the variables below to prevent the
+ *		compiler from optimizing them away.
+ *
  * Return:	void
  *
  * Programmer:	Robb Matzke
-- 
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