From: Uwe Hermann <redacted>
Date: Thu, 1 Jan 2015 19:43:53 +0000 (+0100)
Subject: Fix an isnan() issue on (at least) MinGW and Mac OS X.
X-Git-Tag: pulseview-0.3.0~283
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=f9abacf20c85333a3a6be785049e7658967e3104

Fix an isnan() issue on (at least) MinGW and Mac OS X.

This closes bug #531.
---

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 6b85e1b7..d9be32c9 100644
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -82,7 +82,8 @@ void Viewport::drag()
 
 void Viewport::drag_by(const QPoint &delta)
 {
-	if (isnan(drag_offset_))
+	// Use std::isnan() instead of isnan(), the latter can cause issues.
+	if (std::isnan(drag_offset_))
 		return;
 
 	view_.set_scale_offset(view_.scale(), drag_offset_ -