take account of double error margin

CometeSwing/src/main/java/fr/soleil/comete/swing/chart/util/ChartUtils.java

@@ -69,6 +69,7 @@ import fr.soleil.lib.project.file.FileUtils;
 import fr.soleil.lib.project.file.log.CsvLogFileWriter;
 import fr.soleil.lib.project.math.MathConst;
 import fr.soleil.lib.project.math.NumberArrayUtils;
+import fr.soleil.lib.project.math.NumberUtils;
 import fr.soleil.lib.project.resource.Utf8PropertyResourceBundle;
 import fr.soleil.lib.project.swing.WindowSwingUtils;
 
@@ -208,11 +209,14 @@ public class ChartUtils implements CometeConstants {
         String formattedValue;
         if (Double.isNaN(valueToFormat)) {
             formattedValue = NAN;
-        } else if (Format.isNumberFormatOK(valueFormat)) {
+        } else {
+            valueToFormat = NumberUtils.getDouble(valueToFormat, true);
+            if (Format.isNumberFormatOK(valueFormat)) {
                 formattedValue = Format.formatValue(valueToFormat, valueFormat);
             } else {
                 formattedValue = null;
             }
+        }
         if ((formattedValue == null) || (formattedValue.trim().isEmpty())) {
             // Round value to nearest multiple of precision
             if (precision != 0) {
@@ -223,6 +227,7 @@ public class ChartUtils implements CometeConstants {
                 // Find multiple
                 double i = Math.floor(0.5d + valueToFormat / precision);
                 valueToFormat = i * precision;
+                valueToFormat = NumberUtils.getDouble(valueToFormat, true);
                 if (isNegative) {
                     valueToFormat = -valueToFormat;
                 }
@@ -235,7 +240,7 @@ public class ChartUtils implements CometeConstants {
                     formattedValue = toScientificInt(valueToFormat);
                     break;
                 case IChartViewer.BININT_FORMAT:
-                    formattedValue = Integer.toBinaryString(Double.valueOf(valueToFormat).intValue());
+                    formattedValue = Integer.toBinaryString((int) valueToFormat);
                     break;
                 case IChartViewer.DECINT_FORMAT:
                 case IChartViewer.HEXINT_FORMAT: