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[shared/function] Create an orthonormal range

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When the function does not have any points of interest, fall back to an
orthonormal range.

Change-Id: I90e4bcfae80ebd37f95d404a4a63121c93cf7cff
This commit is contained in:
Gabriel Ozouf
2020-10-08 17:13:12 +02:00
committed by Émilie Feral
parent d642339963
commit 29714b401e
1 changed files with 8 additions and 2 deletions
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10
apps/shared/function.cpp
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@@ -1,4 +1,5 @@
#include "function.h"
#include "interactive_curve_view_range.h"
#include "range_1D.h"
#include "poincare_helpers.h"
#include "poincare/src/parsing/parser.h"
@@ -89,11 +90,16 @@ void Function::protectedRangeForDisplay(float * xMin, float * xMax, float * yMin
constexpr float precision = 1e-5;
return precision * std::round(static_cast<const Function *>(auxiliary)->evaluateXYAtParameter(x, context).x2() / precision);
};
Zoom::InterestingRangesForDisplay(evaluation, xMin, xMax, yMin, yMax, tMin(), tMax(), context, this);
bool fullyComputed = Zoom::InterestingRangesForDisplay(evaluation, xMin, xMax, yMin, yMax, tMin(), tMax(), context, this);
evaluation = [](float x, Context * context, const void * auxiliary) {
return static_cast<const Function *>(auxiliary)->evaluateXYAtParameter(x, context).x2();
};
Zoom::RefinedYRangeForDisplay(evaluation, *xMin, *xMax, yMin, yMax, context, this, boundByMagnitude);
if (fullyComputed) {
Zoom::RefinedYRangeForDisplay(evaluation, *xMin, *xMax, yMin, yMax, context, this, boundByMagnitude);
} else {
Zoom::RangeWithRatioForDisplay(evaluation, InteractiveCurveViewRange::NormalYXRatio(), xMin, xMax, yMin, yMax, context, this);
}
}
}