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[solver] Modified the way to solve some equations

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The solutions of equations that need numerical approximations to be
solved are now computed base on the undeveloped equation (instead of
fully the expended one used to identify polynomials)

This allow (x-10)^7=0 to yield x=10 as result (9.95 before)
Change-Id: Ia8acbe57a9cfebf0b5016e9c896d21c8ddac7a64
This commit is contained in:
Arthur Camouseigt
2020-06-25 15:15:26 +02:00
committed by Émilie Feral
parent 6e9a5a010f
commit 913c81a0d3
12 changed files with 97 additions and 94 deletions
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5
apps/solver/solutions_controller.cpp
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@@ -81,8 +81,7 @@ SolutionsController::SolutionsController(Responder * parentResponder, EquationSt
m_equationStore(equationStore),
m_deltaCell(0.5f, 0.5f),
m_delta2Layout(),
m_contentView(this),
m_shouldReplaceFunctionsButNotSymbols(false)
m_contentView(this)
{
m_delta2Layout = HorizontalLayout::Builder(VerticalOffsetLayout::Builder(CodePointLayout::Builder('2', KDFont::SmallFont), VerticalOffsetLayoutNode::Position::Superscript), LayoutHelper::String("-4ac", 4, KDFont::SmallFont));
const char * deltaB = "Δ=b";
@@ -112,7 +111,7 @@ void SolutionsController::viewWillAppear() {
bool requireWarning = false;
if (m_equationStore->type() == EquationStore::Type::Monovariable) {
m_contentView.setWarningMessages(I18n::Message::OnlyFirstSolutionsDisplayed0, I18n::Message::OnlyFirstSolutionsDisplayed1);
requireWarning = m_equationStore->haveMoreApproximationSolutions(App::app()->localContext(), m_shouldReplaceFunctionsButNotSymbols);
requireWarning = m_equationStore->haveMoreApproximationSolutions();
} else if (m_equationStore->type() == EquationStore::Type::PolynomialMonovariable && m_equationStore->numberOfSolutions() == 1) {
assert(Preferences::sharedPreferences()->complexFormat() == Preferences::ComplexFormat::Real);
m_contentView.setWarningMessages(I18n::Message::PolynomeHasNoRealSolution0, I18n::Message::PolynomeHasNoRealSolution1);