[apps] The storage keeps a function's reduced expression, not a text

This commit is contained in:
Léa Saviot
2018-10-03 14:23:33 +02:00
committed by Émilie Feral
parent 4af3d27431
commit e7ca205d33
6 changed files with 25 additions and 20 deletions

View File

@@ -24,7 +24,7 @@ StorageCartesianFunction::StorageCartesianFunction(Ion::Storage::Record record)
double StorageCartesianFunction::approximateDerivative(double x, Poincare::Context * context) const {
const char xUnknown[] = {Symbol::SpecialSymbols::UnknownX, 0};
Poincare::Derivative derivative(expression(context).clone(), Symbol(xUnknown, 1), Poincare::Float<double>(x)); // derivative takes ownership of Poincare::Float<double>(x) and the clone of expression
Poincare::Derivative derivative(reducedExpression(context), Symbol(xUnknown, 1), Poincare::Float<double>(x)); // derivative takes ownership of Poincare::Float<double>(x) and the clone of expression
/* TODO: when we approximate derivative, we might want to simplify the
* derivative here. However, we might want to do it once for all x (to avoid
* lagging in the derivative table. */
@@ -32,7 +32,7 @@ double StorageCartesianFunction::approximateDerivative(double x, Poincare::Conte
}
double StorageCartesianFunction::sumBetweenBounds(double start, double end, Poincare::Context * context) const {
Poincare::Integral integral(expression(context).clone(), Poincare::Float<double>(start), Poincare::Float<double>(end)); // Integral takes ownership of args
Poincare::Integral integral(reducedExpression(context), Poincare::Float<double>(start), Poincare::Float<double>(end)); // Integral takes ownership of args
/* TODO: when we approximate integral, we might want to simplify the integral
* here. However, we might want to do it once for all x (to avoid lagging in
* the derivative table. */
@@ -40,19 +40,20 @@ double StorageCartesianFunction::sumBetweenBounds(double start, double end, Poin
}
Expression::Coordinate2D StorageCartesianFunction::nextMinimumFrom(double start, double step, double max, Context * context) const {
return expression(context).nextMinimum(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
return reducedExpression(context).nextMinimum(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
}
Expression::Coordinate2D StorageCartesianFunction::nextMaximumFrom(double start, double step, double max, Context * context) const {
return expression(context).nextMaximum(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
return reducedExpression(context).nextMaximum(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
}
double StorageCartesianFunction::nextRootFrom(double start, double step, double max, Context * context) const {
return expression(context).nextRoot(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
return reducedExpression(context).nextRoot(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
}
Expression::Coordinate2D StorageCartesianFunction::nextIntersectionFrom(double start, double step, double max, Poincare::Context * context, const Shared::StorageFunction * function) const {
return expression(context).nextIntersection(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit(), function->expression(context));
Expression reducedExp = reducedExpression(context);
return reducedExp.nextIntersection(symbol(), start, step, max, *context, Preferences::sharedPreferences()->angleUnit(), reducedExp);
}