matrix_dimension.cpp
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#include <poincare/matrix_dimension.h>
#include <poincare/matrix.h>
extern "C" {
#include <assert.h>
}
#include <cmath>
namespace Poincare {
Expression::Type MatrixDimension::type() const {
return Type::MatrixDimension;
}
Expression * MatrixDimension::clone() const {
MatrixDimension * a = new MatrixDimension(m_operands, true);
return a;
}
Expression * MatrixDimension::shallowReduce(Context& context, AngleUnit angleUnit) {
Expression * e = Expression::shallowReduce(context, angleUnit);
if (e != this) {
return e;
}
#if MATRIX_EXACT_REDUCING
Expression * op = editableOperand(0);
if (op->type() == Type::Matrix) {
Matrix * m = static_cast<Matrix *>(op);
const Expression * newOperands[2] = {new Rational(m->numberOfRows()), new Rational(m->numberOfColumns())};
return replaceWith(new Matrix(newOperands, 1, 2, false), true);
}
if (!op->recursivelyMatches(Expression::IsMatrix)) {
const Expression * newOperands[2] = {new Rational(1), new Rational(1)};
return replaceWith(new Matrix(newOperands, 1, 2, false), true);
}
return this;
#else
const Expression * newOperands[2] = {new Rational(1), new Rational(1)};
return replaceWith(new Matrix(newOperands, 1, 2, false), true);
#endif
}
template<typename T>
Evaluation<T> * MatrixDimension::templatedApproximate(Context& context, AngleUnit angleUnit) const {
Evaluation<T> * input = operand(0)->privateApproximate(T(), context, angleUnit);
std::complex<T> operands[2];
if (input->type() == Evaluation<T>::Type::MatrixComplex) {
operands[0] = std::complex<T>(static_cast<MatrixComplex<T> *>(input)->numberOfRows());
operands[1] = std::complex<T>(static_cast<MatrixComplex<T> *>(input)->numberOfColumns());
} else {
operands[0] = std::complex<T>(1.0);
operands[1] = std::complex<T>(1.0);
}
delete input;
return new MatrixComplex<T>(operands, 1, 2);
}
}