#include <MultivariableTableFunctionKernels.hpp>

Public Member Functions
	MultivariableTableFunctionStaticKernel (arrayView1d< real64 const > const &axisMinimums, arrayView1d< real64 const > const &axisMaximums, arrayView1d< integer const > const &axisPoints, arrayView1d< real64 const > const &axisSteps, arrayView1d< real64 const > const &axisStepInvs, arrayView1d< globalIndex const > const &axisHypercubeMults, arrayView1d< real64 const > const &hypercubeData)
	Construct a new Multivariable Table Function Static Kernel object. More...

template<typename IN_ARRAY , typename OUT_ARRAY >
GEOS_HOST_DEVICE void	compute (IN_ARRAY const &coordinates, OUT_ARRAY &&values) const
	interpolate all operators at a given point More...

template<typename IN_ARRAY , typename OUT_ARRAY , typename OUT_2D_ARRAY >
GEOS_HOST_DEVICE void	compute (IN_ARRAY const &coordinates, OUT_ARRAY &&values, OUT_2D_ARRAY &&derivatives) const
	interpolate all operators and compute their derivatives at a given point More...

Static Public Attributes
static constexpr integer	numDims = NUM_DIMS
	Compile time value for the number of table dimensions (inputs)

static constexpr integer	numOps = NUM_OPS
	Compile time value for the number of operators (interpolated functions, outputs)

static constexpr integer	numVerts = 1 << numDims
	Compile time value for the number of hypercube vertices.

Protected Member Functions
GEOS_HOST_DEVICE real64 const *	getHypercubeData (globalIndex const hypercubeIndex) const
	Get pointer to hypercube data. More...

GEOS_HOST_DEVICE integer	getAxisIntervalIndexLowMult (real64 const axisCoordinate, real64 const axisMin, real64 const axisMax, real64 const axisStep, real64 const axisStepInv, integer const axisPoints, real64 &axisLow, real64 &axisMult) const
	Get the interval index, low and mult values for a given axis coordinate. More...

template<typename IN_ARRAY , typename OUT_ARRAY >
GEOS_HOST_DEVICE void	interpolatePoint (IN_ARRAY const &axisCoordinates, real64 const const hypercubeData, real64 const const axisLows, real64 const *const axisStepInvs, OUT_ARRAY &&values) const
	interpolate all operators values at a given point The algoritm is based on http://dx.doi.org/10.1090/S0025-5718-1988-0917826-0 More...

template<typename IN_ARRAY , typename OUT_ARRAY , typename OUT_2D_ARRAY >
GEOS_HOST_DEVICE void	interpolatePointWithDerivatives (IN_ARRAY const &axisCoordinates, real64 const const hypercubeData, real64 const const axisLows, real64 const const axisMults, real64 const const axisStepInvs, OUT_ARRAY &&values, OUT_2D_ARRAY &&derivatives) const
	interpolate all operators values and derivatives at a given point The algoritm is based on http://dx.doi.org/10.1090/S0025-5718-1988-0917826-0 More...

Protected Attributes
arrayView1d< real64 const >	m_axisMinimums
	Array [numDims] of axis minimum values.

arrayView1d< real64 const >	m_axisMaximums
	Array [numDims] of axis maximum values.

arrayView1d< integer const >	m_axisPoints
	Array [numDims] of axis discretization points.

arrayView1d< real64 const >	m_axisSteps
	Array [numDims] of axis interval lengths (axes are discretized uniformly)

arrayView1d< real64 const >	m_axisStepInvs
	Array [numDims] of inversions of axis interval lengths (axes are discretized uniformly)

arrayView1d< globalIndex const >	m_axisHypercubeMults
	Array [numDims] of hypercube index mult factors for each axis.

arrayView1d< real64 const >	m_hypercubeData
	Main table data stored per hypercube: all values required for interpolation withing give hypercube are stored contiguously.

arrayView1d< real64 const >	m_coordinates
	Coordinates in numDims-dimensional space where interpolation is requested.

arrayView1d< real64 >	m_values
	Interpolated values.

arrayView1d< real64 >	m_derivatives
	/// Interpolated derivatives

Detailed Description

template<integer NUM_DIMS, integer NUM_OPS>
class geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >

A class for multivariable piecewise interpolation with static storage All functions are interpolated using the same uniformly discretized space

Template Parameters

NUM_DIMS	number of dimensions (inputs)
NUM_OPS	number of interpolated functions (outputs)

Definition at line 44 of file MultivariableTableFunctionKernels.hpp.

Constructor & Destructor Documentation

◆ MultivariableTableFunctionStaticKernel()

template<integer NUM_DIMS, integer NUM_OPS>

geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::MultivariableTableFunctionStaticKernel	(	arrayView1d< real64 const > const &	axisMinimums,
		arrayView1d< real64 const > const &	axisMaximums,
		arrayView1d< integer const > const &	axisPoints,
		arrayView1d< real64 const > const &	axisSteps,
		arrayView1d< real64 const > const &	axisStepInvs,
		arrayView1d< globalIndex const > const &	axisHypercubeMults,
		arrayView1d< real64 const > const &	hypercubeData
	)

inline

Construct a new Multivariable Table Function Static Kernel object.

Parameters

[in]	axisMinimums	minimum coordinate for each axis
[in]	axisMaximums	maximum coordinate for each axis
[in]	axisPoints	number of discretization points between minimum and maximum for each axis
[in]	axisSteps	axis interval lengths (axes are discretized uniformly)
[in]	axisStepInvs	inversions of axis interval lengths (axes are discretized uniformly)
[in]	axisHypercubeMults	hypercube index mult factors for each axis
[in]	hypercubeData	table data stored per hypercube

Definition at line 69 of file MultivariableTableFunctionKernels.hpp.

Member Function Documentation

◆ compute() [1/2]

template<integer NUM_DIMS, integer NUM_OPS>

template<typename IN_ARRAY , typename OUT_ARRAY >

GEOS_HOST_DEVICE void geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::compute	(	IN_ARRAY const &	coordinates,
		OUT_ARRAY &&	values
	)		const

inline

interpolate all operators at a given point

Parameters

[in]	coordinates	point coordinates
[out]	values	interpolated operator values

Definition at line 94 of file MultivariableTableFunctionKernels.hpp.

◆ compute() [2/2]

template<integer NUM_DIMS, integer NUM_OPS>

template<typename IN_ARRAY , typename OUT_ARRAY , typename OUT_2D_ARRAY >

GEOS_HOST_DEVICE void geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::compute	(	IN_ARRAY const &	coordinates,
		OUT_ARRAY &&	values,
		OUT_2D_ARRAY &&	derivatives
	)		const

inline

interpolate all operators and compute their derivatives at a given point

Parameters

[in]	coordinates	point coordinates
[out]	values	interpolated operator values
[out]	derivatives	derivatives of interpolated operators

Definition at line 127 of file MultivariableTableFunctionKernels.hpp.

◆ getAxisIntervalIndexLowMult()

template<integer NUM_DIMS, integer NUM_OPS>

GEOS_HOST_DEVICE integer geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::getAxisIntervalIndexLowMult	(	real64 const	axisCoordinate,
		real64 const	axisMin,
		real64 const	axisMax,
		real64 const	axisStep,
		real64 const	axisStepInv,
		integer const	axisPoints,
		real64 &	axisLow,
		real64 &	axisMult
	)		const

inlineprotected

Get the interval index, low and mult values for a given axis coordinate.

Parameters

[in]	axisCoordinate	coordinate on a given axis
[in]	axisMin	minimum value on a given axis
[in]	axisMax	maximum value on a given axis
[in]	axisStep	interval length for a given axis
[in]	axisStepInv	inversion of the interval length for a given axis
[in]	axisPoints	number of discretization points for a given axis
[out]	axisLow	left coordinate of target axis interval
[out]	axisMult	weight of the right coordinate of target axis interval

Returns: integer target axis interval index

Definition at line 185 of file MultivariableTableFunctionKernels.hpp.

◆ getHypercubeData()

template<integer NUM_DIMS, integer NUM_OPS>

GEOS_HOST_DEVICE real64 const* geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::getHypercubeData ( globalIndex const hypercubeIndex ) const

inlineprotected

Get pointer to hypercube data.

Parameters

[in] hypercubeIndex

Returns: pointer to hypercube data

Definition at line 164 of file MultivariableTableFunctionKernels.hpp.

◆ interpolatePoint()

template<integer NUM_DIMS, integer NUM_OPS>

template<typename IN_ARRAY , typename OUT_ARRAY >

GEOS_HOST_DEVICE void geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::interpolatePoint	(	IN_ARRAY const &	axisCoordinates,
		real64 const *const	hypercubeData,
		real64 const *const	axisLows,
		real64 const *const	axisStepInvs,
		OUT_ARRAY &&	values
	)		const

inlineprotected

interpolate all operators values at a given point The algoritm is based on http://dx.doi.org/10.1090/S0025-5718-1988-0917826-0

Parameters

[in]	axisCoordinates	coordinates of a point
[in]	hypercubeData	data of target hypercube
[in]	axisLows	array of left coordinates of target axis intervals
[in]	axisStepInvs	array of inversions of axis steps
[out]	values	interpolated operator values

Definition at line 235 of file MultivariableTableFunctionKernels.hpp.

◆ interpolatePointWithDerivatives()

template<integer NUM_DIMS, integer NUM_OPS>

template<typename IN_ARRAY , typename OUT_ARRAY , typename OUT_2D_ARRAY >

GEOS_HOST_DEVICE void geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >::interpolatePointWithDerivatives	(	IN_ARRAY const &	axisCoordinates,
		real64 const *const	hypercubeData,
		real64 const *const	axisLows,
		real64 const *const	axisMults,
		real64 const *const	axisStepInvs,
		OUT_ARRAY &&	values,
		OUT_2D_ARRAY &&	derivatives
	)		const

inlineprotected

interpolate all operators values and derivatives at a given point The algoritm is based on http://dx.doi.org/10.1090/S0025-5718-1988-0917826-0

Parameters

[in]	axisCoordinates	coordinates of a point
[in]	hypercubeData	data of target hypercube
[in]	axisLows	array of left coordinates of target axis intervals
[in]	axisMults	array of weights of right coordinates of target axis intervals
[in]	axisStepInvs	array of inversions of axis steps
[out]	values	interpolated operator values
[out]	derivatives	derivatives of interpolated operators

Definition at line 289 of file MultivariableTableFunctionKernels.hpp.

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

coreComponents/functions/MultivariableTableFunctionKernels.hpp

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

template<integer NUM_DIMS, integer NUM_OPS> class geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >

Constructor & Destructor Documentation

◆ MultivariableTableFunctionStaticKernel()

Member Function Documentation

◆ compute() [1/2]

◆ compute() [2/2]

◆ getAxisIntervalIndexLowMult()

◆ getHypercubeData()

◆ interpolatePoint()

◆ interpolatePointWithDerivatives()

template<integer NUM_DIMS, integer NUM_OPS>
class geos::MultivariableTableFunctionStaticKernel< NUM_DIMS, NUM_OPS >