diff options
Diffstat (limited to 'src/main/java/sevenUnits/unit/LinearUnit.java')
| -rw-r--r-- | src/main/java/sevenUnits/unit/LinearUnit.java | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/main/java/sevenUnits/unit/LinearUnit.java b/src/main/java/sevenUnits/unit/LinearUnit.java index 3c3703c..d453a43 100644 --- a/src/main/java/sevenUnits/unit/LinearUnit.java +++ b/src/main/java/sevenUnits/unit/LinearUnit.java @@ -227,6 +227,19 @@ public final class LinearUnit extends Unit { return false; final LinearUnit other = (LinearUnit) obj; return Objects.equals(this.getBase(), other.getBase()) + && Double.compare(this.getConversionFactor(), + other.getConversionFactor()) == 0; + } + + /** + * @return true iff this unit and other are equal, + * ignoring small differences caused by floating-point error. + * + * @apiNote This method is not transitive, + * so it cannot be used as an equals method. + */ + public boolean equalsApproximately(final LinearUnit other) { + return Objects.equals(this.getBase(), other.getBase()) && DecimalComparison.equals(this.getConversionFactor(), other.getConversionFactor()); } @@ -247,7 +260,7 @@ public final class LinearUnit extends Unit { @Override public int hashCode() { return 31 * this.getBase().hashCode() - + DecimalComparison.hash(this.getConversionFactor()); + + Double.hashCode(this.getConversionFactor()); } /** |