MatrixAddons.hpp

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#ifndef MEDUSA_BITS_TYPES_MATRIXADDONS_HPP_
#define MEDUSA_BITS_TYPES_MATRIXADDONS_HPP_
 
Matrix& operator=(const Scalar& s) {
    this->setConstant(s);
    return *this;
}
 
Matrix(const Scalar& s) {
    _init1alt<RowsAtCompileTime != Dynamic && ColsAtCompileTime != Dynamic>(s);
}
 
private:
template <bool is_fixed>
void _init1alt(const Scalar& s,
               typename std::enable_if<is_fixed>::type* = nullptr) {
    this->setConstant(s);
}
 
template <bool is_fixed>
void _init1alt(const Scalar& s, typename std::enable_if<!is_fixed>::type* = nullptr) {
    Base::_check_template_params();
    Base::template _init1<Scalar>(s);
}
 
public:
Matrix(std::initializer_list<Scalar> lst) {
    EIGEN_STATIC_ASSERT_FIXED_SIZE(Matrix);
    assert((lst.size() == RowsAtCompileTime || lst.size() == ColsAtCompileTime) &&
           "Initializer list of inappropriate size.");
    int i = 0;
    for (const Scalar& s : lst) {
        this->operator()(i++) = s;
    }
}
 
Map<Matrix<Scalar, Dynamic, 1>> asLinear() {
    return {this->data(), this->size()};
}
Map<Matrix<Scalar, Dynamic, 1>> asLinear() const {
    return {this->data(), this->size()};
}
Map<Matrix<Scalar, Dynamic, 1>> asRowLinear() {
    return {this->data(), this->size()};
}
Map<Matrix<Scalar, Dynamic, 1>> asRowLinear() const {
    return {this->data(), this->size()};
}
 
#endif  // MEDUSA_BITS_TYPES_MATRIXADDONS_HPP_