From 5fe4c88681360025fa4662c3898edd33f0d7585c Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@fb.com>
Date: Mon, 29 Sep 2014 16:29:02 -0600
Subject: [PATCH] exp: fix __pow_finite being undefined

Convert longs to doubles first, otherwise we fail on older
installs.

Signed-off-by: Jens Axboe <axboe@fb.com>
---
 exp/expression-parser.y | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/exp/expression-parser.y b/exp/expression-parser.y
index f56ee6de..af726a66 100644
--- a/exp/expression-parser.y
+++ b/exp/expression-parser.y
@@ -163,8 +163,9 @@ expression:	expression '+' expression {
 						tmp = 1.0;
 						$$.has_error = 1;
 					} else {
-						tmp = pow((double) $1.ival,
-								(double) $3.ival);
+						double x = (double) $1.ival;
+						double y = (double) $3.ival;
+						tmp = pow(x, y);
 					}
 					$$.ival = (long long) tmp;
 				}
-- 
2.25.1