Source code for sym.ops.equirectangular_camera_cal.lie_group_ops

# -----------------------------------------------------------------------------
# This file was autogenerated by symforce from template:
#     ops/CLASS/lie_group_ops.py.jinja
# Do NOT modify by hand.
# -----------------------------------------------------------------------------

# ruff: noqa: PLR0915, F401, PLW0211, PLR0914

from __future__ import annotations

import math
import typing as T

import numpy

import sym




class LieGroupOps(object):
    """
    Python LieGroupOps implementation for :py:class:`symforce.cam.equirectangular_camera_cal.EquirectangularCameraCal`.
    """



    @staticmethod
    def from_tangent(vec: numpy.ndarray, epsilon: float) -> sym.EquirectangularCameraCal:
        # Total ops: 0

        # Input arrays
        if vec.shape == (4,):
            vec = vec.reshape((4, 1))
        elif vec.shape != (4, 1):
            raise IndexError(
                "vec is expected to have shape (4, 1) or (4,); instead had shape {}".format(
                    vec.shape
                )
            )

        # Intermediate terms (0)

        # Output terms
        _res = sym.EquirectangularCameraCal.from_storage(
            [vec[0, 0], vec[1, 0], vec[2, 0], vec[3, 0]]
        )
        return _res




    @staticmethod
    def to_tangent(a: sym.EquirectangularCameraCal, epsilon: float) -> numpy.ndarray:
        # Total ops: 0

        # Input arrays
        _a = a.data

        # Intermediate terms (0)

        # Output terms
        _res = numpy.zeros(4)
        _res[0] = _a[0]
        _res[1] = _a[1]
        _res[2] = _a[2]
        _res[3] = _a[3]
        return _res




    @staticmethod
    def retract(
        a: sym.EquirectangularCameraCal, vec: numpy.ndarray, epsilon: float
    ) -> sym.EquirectangularCameraCal:
        # Total ops: 4

        # Input arrays
        _a = a.data
        if vec.shape == (4,):
            vec = vec.reshape((4, 1))
        elif vec.shape != (4, 1):
            raise IndexError(
                "vec is expected to have shape (4, 1) or (4,); instead had shape {}".format(
                    vec.shape
                )
            )

        # Intermediate terms (0)

        # Output terms
        _res = sym.EquirectangularCameraCal.from_storage(
            [_a[0] + vec[0, 0], _a[1] + vec[1, 0], _a[2] + vec[2, 0], _a[3] + vec[3, 0]]
        )
        return _res




    @staticmethod
    def local_coordinates(
        a: sym.EquirectangularCameraCal, b: sym.EquirectangularCameraCal, epsilon: float
    ) -> numpy.ndarray:
        # Total ops: 4

        # Input arrays
        _a = a.data
        _b = b.data

        # Intermediate terms (0)

        # Output terms
        _res = numpy.zeros(4)
        _res[0] = -_a[0] + _b[0]
        _res[1] = -_a[1] + _b[1]
        _res[2] = -_a[2] + _b[2]
        _res[3] = -_a[3] + _b[3]
        return _res




    @staticmethod
    def interpolate(
        a: sym.EquirectangularCameraCal,
        b: sym.EquirectangularCameraCal,
        alpha: float,
        epsilon: float,
    ) -> sym.EquirectangularCameraCal:
        # Total ops: 12

        # Input arrays
        _a = a.data
        _b = b.data

        # Intermediate terms (0)

        # Output terms
        _res = sym.EquirectangularCameraCal.from_storage(
            [
                _a[0] + alpha * (-_a[0] + _b[0]),
                _a[1] + alpha * (-_a[1] + _b[1]),
                _a[2] + alpha * (-_a[2] + _b[2]),
                _a[3] + alpha * (-_a[3] + _b[3]),
            ]
        )
        return _res