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36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#include "preimage_graph_controller.h"
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#include "../../shared/poincare_helpers.h"
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#include <poincare/serialization_helper.h>
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namespace Graph {
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PreimageGraphController::PreimageGraphController(
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Responder * parentResponder,
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GraphView * graphView,
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BannerView * bannerView,
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Shared::InteractiveCurveViewRange * curveViewRange,
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Shared::CurveViewCursor * cursor
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) :
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CalculationGraphController(
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parentResponder,
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graphView,
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bannerView,
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curveViewRange,
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cursor,
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I18n::Message::NoPreimageFound
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),
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m_image(NAN)
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{
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}
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Poincare::Coordinate2D PreimageGraphController::computeNewPointOfInterest(double start, double step, double max, Poincare::Context * context) {
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// TODO The following three lines should be factored.
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constexpr int bufferSize = CodePoint::MaxCodePointCharLength + 1;
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char unknownX[bufferSize];
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Poincare::SerializationHelper::CodePoint(unknownX, bufferSize, UCodePointUnknownX);
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Poincare::Expression expression = Poincare::Float<double>::Builder(m_image);
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return Shared::PoincareHelpers::NextIntersection(functionStore()->modelForRecord(m_record)->expressionReduced(context), unknownX, start, step, max, context, expression);
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}
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}
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