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Commit e7111cfb authored by Hans Boehm's avatar Hans Boehm
Browse files

Add special case for exp(1) evaluation. 

Bug: 33539849

By returning a fixed value, we avoid redundant computation, and can
recognize that e.g. e - exp(1) is exactly zero.

Change-Id: Ibf8b84092ad844fa3d6b2818395c2da437fec9c8
parent 12874e38

src/com/android/calculator2/UnifiedReal.java

+4 −0
Original line number Diff line number Diff line
@@ -1062,6 +1062,10 @@ public class UnifiedReal { 
        if (definitelyEquals(ZERO)) {

            return ONE;

        }

        if (definitelyEquals(ONE)) {

            // Avoid redundant computations, and ensure we recognize all instances as equal.

            return E;

        }

        final BoundedRational crExp = getExp(mCrFactor);

        if (crExp != null) {

            if (mRatFactor.signum() < 0) {