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[poincare] Fix leak in multiplication::distributeOnOperandAtIndex

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Change-Id: Iba88f1c80a68b5b5c34d8448717e9b492f94c451
This commit is contained in:
Émilie Feral
2017-12-01 14:39:27 +01:00
parent a20e6ee2ed
commit 15717e4349
1 changed files with 4 additions and 3 deletions
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7
poincare/src/multiplication.cpp
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@@ -437,11 +437,12 @@ Expression * Multiplication::distributeOnOperandAtIndex(int i, Context & context
// This function turns a*(b+c) into a*b + a*c
// We avoid deleting and creating a new addition
Addition * a = static_cast<Addition *>(editableOperand(i));
removeOperand(a, false);
for (int j = 0; j < a->numberOfOperands(); j++) {
Multiplication * m = static_cast<Multiplication *>(clone());
Expression * termJ = a->editableOperand(j);
replaceOperand(operand(i), termJ->clone(), false);
Expression * m = clone();
a->replaceOperand(termJ, m, true);
a->replaceOperand(termJ, m, false);
m->addOperand(termJ);
m->shallowReduce(context, angleUnit); // pi^(-1)*(pi + x) -> pi^(-1)*pi + pi^(-1)*x -> 1 + pi^(-1)*x
}
replaceWith(a, true);