X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=f4cbc1cab5a0cf1c3784b07b3570ff1b9f4b03d2;hb=eb2b2d91e24d796c544a14d58a413df05e6eb7b9;hp=c043aacf2b160d926a557915e2bafe95c397329a;hpb=333d5bbc0a326e6fa82db44f3e6ba8dd79cafdd8;p=pulseview.git

diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
index c043aac..f4cbc1c 100644
--- a/pv/view/ruler.cpp
+++ b/pv/view/ruler.cpp
@@ -28,6 +28,7 @@
 
 #include <assert.h>
 #include <math.h>
+#include <limits.h>
 
 #include <QMouseEvent>
 #include <QPainter>
@@ -58,7 +59,7 @@ Ruler::Ruler(View &parent) :
 		this, SLOT(hover_point_changed()));
 }
 
-void Ruler::paintEvent(QPaintEvent *event)
+void Ruler::paintEvent(QPaintEvent*)
 {
 	QPainter p(this);
 	p.setRenderHint(QPainter::Antialiasing);
@@ -79,7 +80,6 @@ void Ruler::paintEvent(QPaintEvent *event)
 	} while (tick_period < min_period && unit < countof(ScaleUnits));
 
 	const unsigned int prefix = (order - FirstSIPrefixPower) / 3;
-	assert(prefix >= 0);
 	assert(prefix < countof(SIPrefixes));
 
 	const double multiplier = pow(10.0, - prefix * 3 - FirstSIPrefixPower);