*Last updated: 2023-03-16.*
# Module: tf_quant_finance.experimental.american_option_pricing.andersen_lake.exercise_boundary.cubic_interpolation
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Cubic Spline interpolation framework.
## Classes
[`class BoundaryConditionType`](../../../../../tf_quant_finance/math/interpolation/cubic/BoundaryConditionType.md): Specifies which boundary condition type to use for the cubic interpolation.
[`class SplineParameters`](../../../../../tf_quant_finance/math/interpolation/cubic/SplineParameters.md): Cubic spline parameters.
## Functions
[`build(...)`](../../../../../tf_quant_finance/math/interpolation/cubic/build_spline.md): Builds a SplineParameters interpolation object.
[`interpolate(...)`](../../../../../tf_quant_finance/math/interpolation/cubic/interpolate.md): Interpolates spline values for the given `x` and the `spline_data`.