Account for very small numbers when setting the range

When using qFuzzyCompare it would not allow for very small numbers so
we remove that need and do a straight compare instead. This also
includes a test to check that zooming and then resetting gets us back
to the original range.

Task-number: QTBUG-56097
Change-Id: I722be55f602c936e03fe3cc57c30ba15c0e0bed0
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 2 insertions, 14 deletions

diff --git a/src/charts/axis/valueaxis/qvalueaxis.cpp b/src/charts/axis/valueaxis/qvalueaxis.cpp
index e8f9698f..42dd8ed9 100644
--- a/src/charts/axis/valueaxis/qvalueaxis.cpp
+++ b/src/charts/axis/valueaxis/qvalueaxis.cpp
@@ -408,25 +408,13 @@ void QValueAxisPrivate::setRange(qreal min, qreal max)
         return;
     }
 
-    bool changeMin = false;
-    if (m_min == 0 || min == 0)
-        changeMin = !qFuzzyCompare(1 + m_min, 1 + min);
-    else
-        changeMin = !qFuzzyCompare(m_min, min);
-
-    bool changeMax = false;
-    if (m_max == 0 || max == 0)
-        changeMax = !qFuzzyCompare(1 + m_max, 1 + max);
-    else
-        changeMax = !qFuzzyCompare(m_max, max);
-
-    if (changeMin) {
+    if (m_min != min) {
         m_min = min;
         changed = true;
         emit q->minChanged(min);
     }
 
-    if (changeMax) {
+    if (m_max != max) {
         m_max = max;
         changed = true;
         emit q->maxChanged(max);