From e7d808d6e79f280b1c2fed4f875c473633499983 Mon Sep 17 00:00:00 2001
From: Wenzel Jakob <wenzel@cs.cornell.edu>
Date: Wed, 8 Sep 2010 10:36:30 +0200
Subject: [PATCH] fix an apparent portability issue regarding std::isstream
 between OSX and Linux

---
 src/shapes/hair.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/shapes/hair.cpp b/src/shapes/hair.cpp
index 1e470339..485905dd 100644
--- a/src/shapes/hair.cpp
+++ b/src/shapes/hair.cpp
@@ -32,7 +32,7 @@ Hair::Hair(const Properties &props) : Shape(props) {
 		} else {
 			std::istringstream iss(line);
 			iss >> p.x >> p.y >> p.z;
-			if (iss.good()) {
+			if (!iss.fail()) {
 				m_vertices.push_back(p);
 				m_startFiber.push_back(newFiber);
 				newFiber = false;