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[poincare/matrix_inverse] Remove duplicate check if matrix is square

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Also done in Matrix::createInverse
This commit is contained in:
Léa Saviot
2019-08-01 16:09:50 +02:00
committed by Émilie Feral
parent 4bbb8167f1
commit d2c9ba4baa
1 changed files with 1 additions and 5 deletions
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6
poincare/src/matrix_inverse.cpp
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@@ -51,14 +51,10 @@ Expression MatrixInverse::shallowReduce(ExpressionNode::ReductionContext reducti
}
Expression c = childAtIndex(0);
if (c.type() == ExpressionNode::Type::Matrix) {
Matrix matrixChild = static_cast<Matrix&>(c);
if (matrixChild.numberOfRows() != matrixChild.numberOfColumns()) {
return replaceWithUndefinedInPlace();
}
/* Power(matrix, -n) creates a matrixInverse, so the simplification must be
* done here and not in power. */
bool couldComputeInverse = false;
Expression result = matrixChild.createInverse(reductionContext, &couldComputeInverse);
Expression result = static_cast<Matrix&>(c).createInverse(reductionContext, &couldComputeInverse);
if (couldComputeInverse) {
replaceWithInPlace(result);
return result.shallowReduce(reductionContext);