equal.cpp
1.87 KB
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extern "C" {
#include <assert.h>
#include <stdlib.h>
#include <math.h>
#include <limits.h>
}
#include <poincare/equal.h>
#include <ion.h>
#include <poincare/rational.h>
#include <poincare/addition.h>
#include <poincare/division.h>
#include <poincare/multiplication.h>
#include <poincare/opposite.h>
#include <poincare/power.h>
#include <poincare/square_root.h>
#include <poincare/subtraction.h>
#include <poincare/symbol.h>
#include "layout/char_layout.h"
#include "layout/horizontal_layout.h"
namespace Poincare {
Expression::Type Equal::type() const {
return Type::Equal;
}
Expression * Equal::clone() const {
return new Equal(operands(), true);
}
int Equal::polynomialDegree(char symbolName) const {
return -1;
}
Expression * Equal::standardEquation(Context & context, AngleUnit angleUnit) const {
Expression * sub = new Subtraction(operand(0), operand(1), true);
Reduce(&sub, context, angleUnit);
return sub;
}
Expression * Equal::shallowReduce(Context& context, AngleUnit angleUnit) {
Expression * e = Expression::shallowReduce(context, angleUnit);
if (e != this) {
return e;
}
if (operand(0)->isIdenticalTo(operand(1))) {
return replaceWith(new Rational(1), true);
}
return this;
}
ExpressionLayout * Equal::createLayout(PrintFloat::Mode floatDisplayMode, int numberOfSignificantDigits) const {
HorizontalLayout * result = new HorizontalLayout();
result->addOrMergeChildAtIndex(operand(0)->createLayout(floatDisplayMode, numberOfSignificantDigits), 0, false);
result->addChildAtIndex(new CharLayout('='), result->numberOfChildren());
result->addOrMergeChildAtIndex(operand(1)->createLayout(floatDisplayMode, numberOfSignificantDigits), result->numberOfChildren(), false);
return result;
}
template<typename T>
Evaluation<T> * Equal::templatedApproximate(Context& context, AngleUnit angleUnit) const {
return new Complex<T>(Complex<T>::Undefined());
}
}