o2::gpu::MultivariatePolynomialParametersHelper Class Reference

Helper class for calculating the number of parameters for a multidimensional polynomial. More...

#include <MultivariatePolynomialHelper.h>

Inherited by o2::gpu::MultivariatePolynomialHelper< Dim, Degree, false >, o2::gpu::MultivariatePolynomialHelper< Dim, Degree, InteractionOnly >, and o2::gpu::MultivariatePolynomialHelper< 0, 0, false >.

Public Member Functions
	GPUd () static const expr uint32_t getNParametersAllTerms(const uint32_t degree
	GPUd () static const expr uint32_t getNParametersInteractionOnly(const uint32_t degree
	GPUd () static const expr uint32_t getNParameters(const uint32_t degree

Public Attributes
const uint32_t	dim { return (degree == 0) ? binomialCoeff(dim - 1, 0) : binomialCoeff(dim - 1 + degree, degree) + getNParametersAllTerms(degree - 1, dim)

Detailed Description

Helper class for calculating the number of parameters for a multidimensional polynomial.

Definition at line 57 of file MultivariatePolynomialHelper.h.

Member Function Documentation

GPUd() [1/3]

o2::gpu::MultivariatePolynomialParametersHelper::GPUd

(

)

const

GPUd() [2/3]

o2::gpu::MultivariatePolynomialParametersHelper::GPUd

(

)

const

Returns

number of parameters for given dimension and degree of polynomials calculates the number of parameters for a multivariate polynomial for given degree: nParameters = (n+d-1 d) -> binomial coefficient see: https://mathoverflow.net/questions/225953/number-of-polynomial-terms-for-certain-degree-and-certain-number-of-variables

GPUd() [3/3]

o2::gpu::MultivariatePolynomialParametersHelper::GPUd

(

)

const

Returns

the number of parameters for interaction terms only (see: https://en.wikipedia.org/wiki/Combination)

Member Data Documentation

dim

const uint32_t o2::gpu::MultivariatePolynomialParametersHelper::dim { return (degree == 0) ? binomialCoeff(dim - 1, 0) : binomialCoeff(dim - 1 + degree, degree) + getNParametersAllTerms(degree - 1, dim)

Definition at line 63 of file MultivariatePolynomialHelper.h.

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The documentation for this class was generated from the following file:

• /home/runner/work/AliceO2/AliceO2/GPU/TPCFastTransformation/MultivariatePolynomialHelper.h