From ca45c1f3a1a52ef4824676e9d44fc3c581752631 Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <stephenmcameron@gmail.com>
Date: Thu, 2 Oct 2014 20:31:11 -0500
Subject: [PATCH] make expression parser handle scientific notation

Signed-off-by: Stephen M. Cameron <stephenmcameron@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
 exp/expression-parser.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exp/expression-parser.l b/exp/expression-parser.l
index 11eb8330..7d5e787d 100644
--- a/exp/expression-parser.l
+++ b/exp/expression-parser.l
@@ -109,7 +109,7 @@ static int __attribute__((unused)) input(void);
 		}
 [ \t] ; /* ignore whitespace */
 [#:,].* ; /* ignore comments, and everything after colons and commas */
-[0-9]*[.][0-9]+ {
+[0-9]*[.][0-9]+|[0-9]*[.]?[0-9]+[eE][-+]*[0-9]+ {
 			int rc;
 			double dval;
 
-- 
2.25.1