From: Jens Axboe <axboe@fb.com>
Date: Mon, 29 Sep 2014 22:29:02 +0000 (-0600)
Subject: exp: fix __pow_finite being undefined
X-Git-Tag: fio-2.1.14~101^2~15
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=5fe4c88681360025fa4662c3898edd33f0d7585c;hp=8284355265bbedacf86f43067ec456c2d91eeb4a

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>
---

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;
 				}