"""simple docstring"""
from __future__ import annotations

from scipy.special import comb  # type: ignore



class 					lowerCAmelCase_      :

				def __init__(			self						,      lowerCAmelCase      ):






										"""simple docstring"""

										snake_case        =     list_of_points
										# Degree determines the flexibility of the curve.
										# Degree = 1 will produce a straight line.
										snake_case        =     len(_A      ) - 1

				def 						snake_case	(			self						,      lowerCAmelCase      ):






										"""simple docstring"""

										assert 0 <= t <= 1, "Time t must be between 0 and 1."
										snake_case        =     []
										for i in range(len(self.list_of_points      )      ):
																# basis function for each i
																output_values.append(
																    comb(self.degree						,      _A      ) * ((1 - t) ** (self.degree - i)) * (t**i)      )
										# the basis must sum up to 1 for it to produce a valid Bezier curve.
										assert round(sum(_A      )						,      5      ) == 1
										return output_values

				def 						snake_case	(			self						,      lowerCAmelCase      ):






										"""simple docstring"""

										assert 0 <= t <= 1, "Time t must be between 0 and 1."

										snake_case        =     self.basis_function(_A      )
										snake_case        =     0.0
										snake_case        =     0.0
										for i in range(len(self.list_of_points      )      ):
																# For all points, sum up the product of i-th basis function and i-th point.
																x += basis_function[i] * self.list_of_points[i][0]
																y += basis_function[i] * self.list_of_points[i][1]
										return (x, y)

				def 						snake_case	(			self						,      lowerCAmelCase = 0.01      ):






										"""simple docstring"""

										from matplotlib import pyplot as plt  # type: ignore

										snake_case        =     []  # x coordinates of points to plot
										snake_case        =     []  # y coordinates of points to plot

										snake_case        =     0.0
										while t <= 1:
																snake_case        =     self.bezier_curve_function(_A      )
																to_plot_x.append(value[0]      )
																to_plot_y.append(value[1]      )
																t += step_size

										snake_case        =     [i[0] for i in self.list_of_points]
										snake_case        =     [i[1] for i in self.list_of_points]

										plt.plot(
										    _A						,      _A						,      color='blue'						,      label='Curve of Degree ' + str(self.degree      )						,      )
										plt.scatter(_A						,      _A						,      color='red'						,      label='Control Points'      )
										plt.legend()
										plt.show()


if __name__ == "__main__":
					import doctest

					doctest.testmod()

					BezierCurve([(1, 2), (3, 5)]).plot_curve()  # degree 1
					BezierCurve([(0, 0), (5, 5), (5, 0)]).plot_curve()  # degree 2
					BezierCurve([(0, 0), (5, 5), (5, 0), (2.5, -2.5)]).plot_curve()  # degree 3



"""simple docstring"""
from ...configuration_utils import PretrainedConfig
from ...utils import logging


SCREAMING_SNAKE_CASE__   =					logging.get_logger(__name__)

SCREAMING_SNAKE_CASE__   =					{
    "microsoft/swinv2-tiny-patch4-window8-256": (
        "https://huggingface.co/microsoft/swinv2-tiny-patch4-window8-256/resolve/main/config.json"
    ),
}



class 					lowerCAmelCase_      (     lowerCAmelCase   ):



				"""simple docstring"""
				_lowerCAmelCase       :      Tuple     					=  """swinv2"""

				_lowerCAmelCase       :      Any     					=  {
				    """num_attention_heads""": """num_heads""",
				    """num_hidden_layers""": """num_layers""",
				}

				def __init__(			self						,      lowerCAmelCase=2_24						,      lowerCAmelCase=4						,      lowerCAmelCase=3						,      lowerCAmelCase=96						,      lowerCAmelCase=[2, 2, 6, 2]						,      lowerCAmelCase=[3, 6, 12, 24]						,      lowerCAmelCase=7						,      lowerCAmelCase=4.0						,      lowerCAmelCase=True						,      lowerCAmelCase=0.0						,      lowerCAmelCase=0.0						,      lowerCAmelCase=0.1						,      lowerCAmelCase="gelu"						,      lowerCAmelCase=False						,      lowerCAmelCase=0.02						,      lowerCAmelCase=1E-5						,      lowerCAmelCase=32						,      **lowerCAmelCase						,      ):






										"""simple docstring"""

										super().__init__(**lowerCAmelCase      )

										snake_case        =     image_size
										snake_case        =     patch_size
										snake_case        =     num_channels
										snake_case        =     embed_dim
										snake_case        =     depths
										snake_case        =     len(lowerCAmelCase      )
										snake_case        =     num_heads
										snake_case        =     window_size
										snake_case        =     mlp_ratio
										snake_case        =     qkv_bias
										snake_case        =     hidden_dropout_prob
										snake_case        =     attention_probs_dropout_prob
										snake_case        =     drop_path_rate
										snake_case        =     hidden_act
										snake_case        =     use_absolute_embeddings
										snake_case        =     layer_norm_eps
										snake_case        =     initializer_range
										snake_case        =     encoder_stride
										# we set the hidden_size attribute in order to make Swinv2 work with VisionEncoderDecoderModel
										# this indicates the channel dimension after the last stage of the model
										snake_case        =     int(embed_dim * 2 ** (len(lowerCAmelCase      ) - 1)      )
										snake_case        =     (0, 0, 0, 0)


