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[poincare/function] f(1/0) = undef when f(x) = 3

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This commit is contained in:
Léa Saviot
2020-01-16 17:07:31 +01:00
parent 167fdf285f
commit f0ca8296bf
1 changed files with 7 additions and 1 deletions
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8
poincare/src/function.cpp
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@@ -3,7 +3,6 @@
#include <poincare/parenthesis.h>
#include <poincare/rational.h>
#include <poincare/serialization_helper.h>
#include <poincare/symbol.h>
#include <poincare/undefined.h>
#include <cmath>
@@ -80,6 +79,10 @@ Evaluation<double> FunctionNode::approximate(DoublePrecision p, Context * contex
template<typename T>
Evaluation<T> FunctionNode::templatedApproximate(Context * context, Preferences::ComplexFormat complexFormat, Preferences::AngleUnit angleUnit) const {
if (childAtIndex(0)->approximate((T)1, context, complexFormat, angleUnit).isUndefined()) {
return Complex<T>::Undefined();
}
Function f(this);
Expression e = SymbolAbstract::Expand(f, context, true);
if (e.isUninitialized()) {
@@ -112,6 +115,9 @@ Expression Function::replaceSymbolWithExpression(const SymbolAbstract & symbol,
}
Expression Function::shallowReduce(ExpressionNode::ReductionContext reductionContext) {
if (childAtIndex(0).isUndefined()) {
return replaceWithUndefinedInPlace();
}
Expression result = SymbolAbstract::Expand(*this, reductionContext.context(), true);
if (result.isUninitialized()) {
if (reductionContext.symbolicComputation()) {