diagonal_matrix.h

#ifndef SYMENGINE_MATRICES_DIAGONAL_MATRIX_H
#define SYMENGINE_MATRICES_DIAGONAL_MATRIX_H
 
#include <symengine/basic.h>
#include <symengine/matrices/matrix_expr.h>
 
namespace SymEngine
{
 
class SYMENGINE_EXPORT DiagonalMatrix : public MatrixExpr
{
private:
    vec_basic diag_;
 
public:
    DiagonalMatrix(const vec_basic &container) : diag_(container)
    {
        SYMENGINE_ASSIGN_TYPEID();
        SYMENGINE_ASSERT(is_canonical(container));
    }
 
    IMPLEMENT_TYPEID(SYMENGINE_DIAGONALMATRIX)
    hash_t __hash__() const override;
    bool __eq__(const Basic &o) const override;
    int compare(const Basic &o) const override;
    bool is_canonical(const vec_basic &container) const;
 
    vec_basic get_args() const override
    {
        return vec_basic(diag_.begin(), diag_.end());
    }
 
    inline const vec_basic &get_container() const
    {
        return diag_;
    }
 
    inline RCP<const Basic> get(size_t i) const
    {
        return diag_[i];
    }
};
 
SYMENGINE_EXPORT bool is_zero_vec(const vec_basic &container);
SYMENGINE_EXPORT bool is_identity_vec(const vec_basic &container);
 
SYMENGINE_EXPORT RCP<const MatrixExpr>
diagonal_matrix(const vec_basic &container);
 
} // namespace SymEngine
 
#endif