# Copyright (c) 2014,2015 Fabien Georget <fabieng@princeton.edu>, Princeton University
# All rights reserved.

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# modification, are permitted provided that the following conditions are met:
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#        derived from this software without specific prior written permission.

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# Includes from Eigen
#
# This is kept simple on purpose
cdef extern from "<Eigen/Dense>" namespace "Eigen":
    cdef cppclass Matrix[T, U, V]:
        Matrix()
        T& operator()(int, int)
        T& operator()(int)

    # A matrix
    cdef cppclass MatrixXd:
        MatrixXd()
        MatrixXd(int, int)
        MatrixXd(const MatrixXd& other)
        void setZero()
        void setZero(int, int)
        float& operator()(int, int) # read access

    # a vector
    cdef cppclass VectorXd:
        VectorXd()
        VectorXd(int)
        VectorXd(const VectorXd& other)
        void setZero()
        void setZero(int)

        float& operator()(int) # read access

# write
cdef extern from "eigen_set.hpp":
    cdef void vector_setitem(VectorXd&, int row, float value)
    cdef void matrix_setitem(MatrixXd&, int row, int col, float value)