fix a nan warning during image window create

jcupitt · jcupitt · commit a1ed650c7edd · 2025-05-19T10:45:31.000+01:00
diff --git a/src/tslider.c b/src/tslider.c
@@ -155,7 +155,9 @@ tslider_real_changed(Tslider *tslider)
 		tslider->last_from = tslider->from;
 	}
 
-	if (!DEQ(tslider->svalue, tslider->last_svalue))
+	// we can get nan here during init
+	if (!isnan(tslider->svalue) &&
+		!DEQ(tslider->svalue, tslider->last_svalue))
 		gtk_adjustment_set_value(adj, tslider->svalue);
 
 	g_signal_handlers_unblock_matched(G_OBJECT(adj),

Original file line number	Diff line number	Diff line change
`@@ -155,7 +155,9 @@ tslider_real_changed(Tslider *tslider)`
`155`	`155`	`tslider->last_from = tslider->from;`
`156`	`156`	`}`
`157`	`157`
`158`		`- if (!DEQ(tslider->svalue, tslider->last_svalue))`
	`158`	`+ // we can get nan here during init`
	`159`	`+ if (!isnan(tslider->svalue) &&`
	`160`	`+ !DEQ(tslider->svalue, tslider->last_svalue))`
`159`	`161`	`gtk_adjustment_set_value(adj, tslider->svalue);`
`160`	`162`
`161`	`163`	`g_signal_handlers_unblock_matched(G_OBJECT(adj),`