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[poincare/matrix_identity] Fix shallowReduce

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This commit is contained in:
Léa Saviot
2019-08-02 11:29:59 +02:00
committed by Émilie Feral
parent db1eb1072f
commit cdbcc3c6bc
1 changed files with 3 additions and 1 deletions
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4
poincare/src/matrix_identity.cpp
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@@ -49,7 +49,9 @@ Expression MatrixIdentity::shallowReduce(ExpressionNode::ReductionContext reduct
}
}
Expression c = childAtIndex(0);
if (!c.isRationalOne()) {
if (c.type() != ExpressionNode::Type::Rational
|| !static_cast<Rational&>(c).isInteger())
{
return replaceWithUndefinedInPlace();
}
Integer dimension = static_cast<Rational &>(c).signedIntegerNumerator();