# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Cython wrapper for ``curve.f90``."""


from libcpp cimport bool as bool_t


cdef extern from "bezier/curve.h":
    void evaluate_curve_barycentric(int* num_nodes, int* dimension, double* nodes,
        int* num_vals, double* lambda1, double* lambda2, double* evaluated)
    void evaluate_multi(int* num_nodes, int* dimension, double* nodes,
        int* num_vals, double* s_vals, double* evaluated)
    void specialize_curve(int* num_nodes, int* dimension, double* nodes,
        double* start, double* end, double* new_nodes)
    void evaluate_hodograph(double* s, int* num_nodes, int* dimension,
        double* nodes, double* hodograph)
    void subdivide_nodes_curve(int* num_nodes, int* dimension, double* nodes,
        double* left_nodes, double* right_nodes)
    void newton_refine_curve(int* num_nodes, int* dimension, double* nodes,
        double* point, double* s, double* updated_s)
    void locate_point_curve(int* num_nodes, int* dimension, double* nodes,
        double* point, double* s_approx)
    void elevate_nodes_curve(
        int* num_nodes, int* dimension, double* nodes, double* elevated)
    void get_curvature(int* num_nodes, double* nodes, double* tangent_vec,
        double* s, double* curvature)
    void reduce_pseudo_inverse(int* num_nodes, int* dimension, double* nodes,
        double* reduced, bool_t* not_implemented)
    void full_reduce(int* num_nodes, int* dimension, double* nodes,
        int* num_reduced_nodes, double* reduced, bool_t* not_implemented)
    void compute_length(int* num_nodes, int* dimension, double* nodes,
        double* length, int* error_val)
