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[apps/graph] Limited number of cached functions

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The caches used for function values memoization are now stored in
ContinuousFunctionStore : there are now only a fixed number, instead of
one per function. This effectively enables caching only for the first
few functions on screen, while reducing the memory usage.

Change-Id: I2ade091717f73a14a756fe527c773db8e8627be7
This commit is contained in:
Gabriel Ozouf
2020-06-09 16:19:23 +02:00
committed by Émilie Feral
parent 95fef86ec0
commit 42fcf557b8
8 changed files with 43 additions and 24 deletions
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10
apps/shared/continuous_function.cpp
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@@ -125,7 +125,7 @@ void ContinuousFunction::setPlotType(PlotType newPlotType, Poincare::Preferences
recordData()->setPlotType(newPlotType);
cache()->clear();
clearCache();
// Recompute the layouts
m_model.tidy();
@@ -253,12 +253,12 @@ float ContinuousFunction::tMax() const {
void ContinuousFunction::setTMin(float tMin) {
recordData()->setTMin(tMin);
cache()->clear();
clearCache();
}
void ContinuousFunction::setTMax(float tMax) {
recordData()->setTMax(tMax);
cache()->clear();
clearCache();
}
void * ContinuousFunction::Model::expressionAddress(const Ion::Storage::Record * record) const {
@@ -353,7 +353,7 @@ Poincare::Expression ContinuousFunction::sumBetweenBounds(double start, double e
Poincare::Coordinate2D<float> ContinuousFunction::checkForCacheHitAndEvaluate(float t, Poincare::Context * context) const {
Poincare::Coordinate2D<float> res(NAN, NAN);
if (cache()->filled()) {
if (cacheIsFilled()) {
res = cache()->valueForParameter(this, t);
}
if (std::isnan(res.x1()) || std::isnan(res.x2())) {
@@ -364,7 +364,7 @@ Poincare::Coordinate2D<float> ContinuousFunction::checkForCacheHitAndEvaluate(fl
}
Ion::Storage::Record::ErrorStatus ContinuousFunction::setContent(const char * c, Poincare::Context * context) {
cache()->clear();
clearCache();
return ExpressionModelHandle::setContent(c, context);
}