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[poincare] Create a a flag on Expression that is set when the

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approximation encouters a complex value

All approximation methods take the complex format into account.
This commit is contained in:
Émilie Feral
2018-12-21 17:55:58 +01:00
committed by Léa Saviot
parent c3ad0e027c
commit ecf3f2ea0f
23 changed files with 187 additions and 122 deletions
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3
apps/shared/function.cpp
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@@ -1,4 +1,5 @@
#include "function.h"
#include "poincare_helpers.h"
#include <string.h>
#include <cmath>
#include <assert.h>
@@ -41,7 +42,7 @@ void Function::setActive(bool active) {
template<typename T>
T Function::templatedApproximateAtAbscissa(T x, Poincare::Context * context) const {
return expression(context).approximateWithValueForSymbol(symbol(), x, *context, Preferences::sharedPreferences()->angleUnit());
return PoincareHelpers::ApproximateWithValueForSymbol(expression(context), symbol(), x, *context);
}
}

32
apps/shared/poincare_helpers.h
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@@ -10,7 +10,8 @@ namespace Shared {
namespace PoincareHelpers {
inline Poincare::Layout CreateLayout(const Poincare::Expression e) {
return e.createLayout(Poincare::Preferences::sharedPreferences()->displayMode(), Poincare::Preferences::sharedPreferences()->numberOfSignificantDigits());
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
return e.createLayout(preferences->displayMode(), preferences->numberOfSignificantDigits());
}
template <class T>
@@ -24,25 +25,39 @@ inline int Serialize(const Poincare::Expression e, char * buffer, int bufferSize
template <class T>
inline Poincare::Expression Approximate(const Poincare::Expression e, Poincare::Context & context) {
Poincare::Preferences::ComplexFormat complexFormat = Poincare::Preferences::sharedPreferences()->complexFormat();
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
Poincare::Preferences::ComplexFormat complexFormat = preferences->complexFormat();
complexFormat = Poincare::Expression::UpdatedComplexFormatWithExpressionInput(complexFormat, e, context);
return e.approximate<T>(context, complexFormat, Poincare::Preferences::sharedPreferences()->angleUnit());
return e.approximate<T>(context, complexFormat, preferences->angleUnit());
}
template <class T>
inline T ApproximateToScalar(const Poincare::Expression e, Poincare::Context & context) {
return e.approximateToScalar<T>(context, Poincare::Preferences::sharedPreferences()->angleUnit());
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
Poincare::Preferences::ComplexFormat complexFormat = preferences->complexFormat();
complexFormat = Poincare::Expression::UpdatedComplexFormatWithExpressionInput(complexFormat, e, context);
return e.approximateToScalar<T>(context, complexFormat, preferences->angleUnit());
}
template <class T>
inline T ApproximateWithValueForSymbol(const Poincare::Expression e, const char * symbol, T x, Poincare::Context & context) {
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
Poincare::Preferences::ComplexFormat complexFormat = preferences->complexFormat();
complexFormat = Poincare::Expression::UpdatedComplexFormatWithExpressionInput(complexFormat, e, context);
return e.approximateWithValueForSymbol<T>(symbol, x, context, complexFormat, preferences->angleUnit());
}
template <class T>
inline T ApproximateToScalar(const char * text, Poincare::Context & context) {
Poincare::Preferences::ComplexFormat complexFormat = Poincare::Preferences::sharedPreferences()->complexFormat();
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
Poincare::Preferences::ComplexFormat complexFormat = preferences->complexFormat();
complexFormat = Poincare::Expression::UpdatedComplexFormatWithTextInput(complexFormat, text);
return Poincare::Expression::approximateToScalar<T>(text, context, complexFormat, Poincare::Preferences::sharedPreferences()->angleUnit());
return Poincare::Expression::approximateToScalar<T>(text, context, complexFormat, preferences->angleUnit());
}
inline Poincare::Expression ParseAndSimplify(const char * text, Poincare::Context & context) {
return Poincare::Expression::ParseAndSimplify(text, context, Poincare::Preferences::sharedPreferences()->complexFormat(), Poincare::Preferences::sharedPreferences()->angleUnit());
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
return Poincare::Expression::ParseAndSimplify(text, context, preferences->complexFormat(), preferences->angleUnit());
}
inline void Simplify(Poincare::Expression * e, Poincare::Context & context, Poincare::Preferences::ComplexFormat complexFormat = Poincare::Preferences::sharedPreferences()->complexFormat()) {
@@ -51,7 +66,8 @@ inline void Simplify(Poincare::Expression * e, Poincare::Context & context, Poin
}
inline void ParseAndSimplifyAndApproximate(const char * text, Poincare::Expression * simplifiedExpression, Poincare::Expression * approximateExpression, Poincare::Context & context) {
Poincare::Expression::ParseAndSimplifyAndApproximate(text, simplifiedExpression, approximateExpression, context, Poincare::Preferences::sharedPreferences()->complexFormat(), Poincare::Preferences::sharedPreferences()->angleUnit());
Poincare::Preferences * preferences = Poincare::Preferences::sharedPreferences();
Poincare::Expression::ParseAndSimplifyAndApproximate(text, simplifiedExpression, approximateExpression, context, preferences->complexFormat(), preferences->angleUnit());
}
inline void SimplifyAndApproximate(Poincare::Expression * e, Poincare::Expression * approximate, Poincare::Context & context, Poincare::Preferences::ComplexFormat complexFormat = Poincare::Preferences::sharedPreferences()->complexFormat()) {

12
apps/shared/storage_cartesian_function.cpp
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@@ -103,22 +103,26 @@ double StorageCartesianFunction::sumBetweenBounds(double start, double end, Poin
Expression::Coordinate2D StorageCartesianFunction::nextMinimumFrom(double start, double step, double max, Context * context) const {
const char unknownX[2] = {Poincare::Symbol::UnknownX, 0};
return expressionReduced(context).nextMinimum(unknownX, start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
Preferences * preferences = Preferences::sharedPreferences();
return expressionReduced(context).nextMinimum(unknownX, start, step, max, *context, preferences->complexFormat(), preferences->angleUnit());
}
Expression::Coordinate2D StorageCartesianFunction::nextMaximumFrom(double start, double step, double max, Context * context) const {
const char unknownX[2] = {Poincare::Symbol::UnknownX, 0};
return expressionReduced(context).nextMaximum(unknownX, start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
Preferences * preferences = Preferences::sharedPreferences();
return expressionReduced(context).nextMaximum(unknownX, start, step, max, *context, preferences->complexFormat(), preferences->angleUnit());
}
double StorageCartesianFunction::nextRootFrom(double start, double step, double max, Context * context) const {
const char unknownX[2] = {Poincare::Symbol::UnknownX, 0};
return expressionReduced(context).nextRoot(unknownX, start, step, max, *context, Preferences::sharedPreferences()->angleUnit());
Preferences * preferences = Preferences::sharedPreferences();
return expressionReduced(context).nextRoot(unknownX, start, step, max, *context, preferences->complexFormat(), preferences->angleUnit());
}
Expression::Coordinate2D StorageCartesianFunction::nextIntersectionFrom(double start, double step, double max, Poincare::Context * context, Expression e) const {
const char unknownX[2] = {Poincare::Symbol::UnknownX, 0};
return expressionReduced(context).nextIntersection(unknownX, start, step, max, *context, Preferences::sharedPreferences()->angleUnit(), e);
Preferences * preferences = Preferences::sharedPreferences();
return expressionReduced(context).nextIntersection(unknownX, start, step, max, *context, preferences->complexFormat(), preferences->angleUnit(), e);
}
StorageCartesianFunction::CartesianFunctionRecordData * StorageCartesianFunction::recordData() const {

3
apps/shared/storage_function.cpp
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@@ -1,4 +1,5 @@
#include "storage_function.h"
#include "poincare_helpers.h"
#include <poincare/symbol.h>
#include "poincare/src/parsing/parser.h"
#include <string.h>
@@ -76,7 +77,7 @@ T StorageFunction::templatedApproximateAtAbscissa(T x, Poincare::Context * conte
return NAN;
}
const char unknownX[2] = {Poincare::Symbol::UnknownX, 0};
return expressionReduced(context).approximateWithValueForSymbol(unknownX, x, *context, Preferences::sharedPreferences()->angleUnit());
return PoincareHelpers::ApproximateWithValueForSymbol(expressionReduced(context), unknownX, x, *context);
}
StorageFunction::FunctionRecordData * StorageFunction::recordData() const {