Created an UncertainDouble class for uncertainty operations.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/org/unitConverter/unit/UnitDatabase.java b/src/org/unitConverter/unit/UnitDatabase.java
index 9812bd0..9ca9617 100644
--- a/src/org/unitConverter/unit/UnitDatabase.java
+++ b/src/org/unitConverter/unit/UnitDatabase.java
@@ -46,6 +46,7 @@ import org.unitConverter.math.ConditionalExistenceCollections;
 import org.unitConverter.math.DecimalComparison;
 import org.unitConverter.math.ExpressionParser;
 import org.unitConverter.math.ObjectProduct;
+import org.unitConverter.math.UncertainDouble;
 
 /**
  * A database of units, prefixes and dimensions, and their names.
@@ -1134,7 +1135,7 @@ public final class UnitDatabase {
 		// exponent function - first check if o2 is a number,
 		if (exponentValue.canConvertTo(SI.ONE)) {
 			// then check if it is an integer,
-			final double exponent = exponentValue.getValue();
+			final double exponent = exponentValue.getValueExact();
 			if (DecimalComparison.equals(exponent % 1, 0))
 				// then exponentiate
 				return base.toExponent((int) (exponent + 0.5));
@@ -1650,7 +1651,8 @@ public final class UnitDatabase {
 			final BigDecimal number = new BigDecimal(name);
 			
 			final double uncertainty = Math.pow(10, -number.scale());
-			return LinearUnitValue.of(SI.ONE, number.doubleValue(), uncertainty);
+			return LinearUnitValue.of(SI.ONE,
+					UncertainDouble.of(number.doubleValue(), uncertainty));
 		} catch (final NumberFormatException e) {
 			return LinearUnitValue.getExact(this.getLinearUnit(name), 1);
 		}