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[poincare] Fix Power::denominator

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This commit is contained in:
Léa Saviot
2018-08-22 09:56:05 +02:00
parent 795073124d
commit 27256abd53
1 changed files with 4 additions and 5 deletions
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9
poincare/src/power.cpp
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@@ -613,12 +613,11 @@ Expression Power::shallowBeautify(Context& context, Preferences::AngleUnit angle
// Simplification
Expression Power::denominator(Context & context, Preferences::AngleUnit angleUnit) const {
if (childAtIndex(1).sign() == ExpressionNode::Sign::Negative) {
Expression denominator = *this;
Expression newExponent = denominator.childAtIndex(1).setSign(ExpressionNode::Sign::Positive, context, angleUnit);
if (newExponent.type() == ExpressionNode::Type::Rational && static_cast<Rational>(newExponent).isOne()) {
return denominator.childAtIndex(0);
Expression positivePowerClone = Power(childAtIndex(0), childAtIndex(1).setSign(ExpressionNode::Sign::Positive, context, angleUnit));
if (positivePowerClone.childAtIndex(1).type() == ExpressionNode::Type::Rational && static_cast<Rational>(positivePowerClone.childAtIndex(1)).isOne()) {
return positivePowerClone.childAtIndex(0);
}
return denominator;
return positivePowerClone;
}
return Expression();
}