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[apps/graph] Use the poincare derivative calculation to compute function

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derivative

Change-Id: I2b4d9b443935ad789e898e253a22f9d2ab652b6a
This commit is contained in:
Émilie Feral
2017-01-10 12:15:08 +01:00
parent afdc1573b2
commit f4a580884b
5 changed files with 7 additions and 9 deletions
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2
apps/graph/values/values_controller.cpp
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@@ -161,7 +161,7 @@ void ValuesController::willDisplayCellAtLocation(TableViewCell * cell, int i, in
float x = m_interval.element(j-1);
App * graphApp = (Graph::App *)app();
if (isDerivativeColumn(i)) {
Float(function->approximateDerivative(x, graphApp->localContext())).convertFloatToText(buffer, Constant::FloatBufferSizeInScientificMode, Constant::NumberOfDigitsInMantissaForDerivativeNumberInScientificMode);
Float(function->approximateDerivative(x, graphApp->localContext())).convertFloatToText(buffer, Constant::FloatBufferSizeInScientificMode, Constant::NumberOfDigitsInMantissaInScientificMode);
} else {
Float(function->evaluateAtAbscissa(x, graphApp->localContext())).convertFloatToText(buffer, Constant::FloatBufferSizeInScientificMode, Constant::NumberOfDigitsInMantissaInScientificMode);
}