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[apps/graph] Fixed cache step quirks

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Change-Id: I5b630301ab2a4b17a5a4d77c7d9a05120449e55e
This commit is contained in:
Gabriel Ozouf
2020-06-12 14:33:49 +02:00
committed by Émilie Feral
parent 1bee23cf4f
commit beb228fa78
4 changed files with 24 additions and 28 deletions
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13
apps/shared/continuous_function_cache.h
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@@ -1,6 +1,7 @@
#ifndef SHARED_CONTINUOUS_FUNCTION_CACHE_H
#define SHARED_CONTINUOUS_FUNCTION_CACHE_H
#include "../graph/graph/graph_view.h"
#include <ion/display.h>
#include <poincare/context.h>
#include <poincare/coordinate_2D.h>
@@ -10,10 +11,13 @@ namespace Shared {
class ContinuousFunction;
class ContinuousFunctionCache {
public:
private:
/* The size of the cache is chosen to optimize the display of cartesian
* function */
* functions */
static constexpr int k_sizeOfCache = Ion::Display::Width;
public:
static constexpr int k_numberOfAvailableCaches = 2;
static constexpr int k_parametricStepFactor = k_sizeOfCache / int(Graph::GraphView::k_graphStepDenominator);
static void PrepareForCaching(void * fun, ContinuousFunctionCache * cache, float tMin, float tStep);
@@ -23,13 +27,8 @@ public:
void clear();
Poincare::Coordinate2D<float> valueForParameter(const ContinuousFunction * function, Poincare::Context * context, float t);
private:
/* The size of the cache is chosen to optimize the display of cartesian
* function */
static constexpr int k_sizeOfCache = Ion::Display::Width;
static constexpr float k_cacheHitTolerance = 1e-3;
static float StepFactor(ContinuousFunction * function);
void invalidateBetween(int iInf, int iSup);
void setRange(ContinuousFunction * function, float tMin, float tStep);
int indexForParameter(const ContinuousFunction * function, float t) const;