dynamic.h File Reference

File for dynamic parameter parsing. More...

#include <string>
#include "../include/ds.h"

Include dependency graph for dynamic.h:

Go to the source code of this file.

Functions
EqnNode	parse_eqn (Grid &par, std::string eqn_string, std::string val_str)
	Parses a provided equation string into an Abstract Syntax Tree ,. More...
void	find_element_num (EqnNode eqn_tree, int &element_num)
	finds the total number of elements in an Abstract Syntax Tree , More...
void	tree_to_array (EqnNode eqn, EqnNode_gpu *eqn_array, int &element_num)
	Transforms an AST into a GPU array ,. More...
void	allocate_equation (EqnNode_gpu *eqn_cpu, EqnNode_gpu *eqn_gpu, int n)
	Allocates space on GPU for AST ,. More...
void	parse_param_file (Grid &par)
	Parses a provided file into Abstract Syntax Trees ,. More...
__device__ double	evaluate_eqn_gpu (EqnNode_gpu *eqn, double x, double y, double z, double time, int element_num)
	Evaluates a GPU AST with provided x, y, z, and t valued ,. More...
__global__ void	find_field (double *field, double dx, double dy, double dz, double xMax, double yMax, double zMax, double time, EqnNode_gpu *eqn)
	Creates a fields for all values of x, y, and z with AST ,. More...
__global__ void	zeros (double *field, int n)
	Creates a field of all zeros ,. More...
__device__ double	poly_j (int v, double x, int n)
	Polynomial approximation for J bessel functions ,. More...

Detailed Description

File for dynamic parameter parsing.

Author

James R. Schloss (Leios)

Date

1/1/2017

Version

0.1

DESCRIPTION

This file has all functions necessary for dynamic parameter parsing, including parsing equation strings into abstract syntax trees

Definition in file dynamic.h.

Function Documentation

allocate_equation()

void allocate_equation	(	EqnNode_gpu *	eqn_cpu,
		EqnNode_gpu *	eqn_gpu,
		int	n
	)

Allocates space on GPU for AST ,.

Parameters

CPU	AST
GPU	AST
Element	number

evaluate_eqn_gpu()

__device__ double evaluate_eqn_gpu	(	EqnNode_gpu *	eqn,
		double	x,
		double	y,
		double	z,
		double	time,
		int	element_num
	)

Evaluates a GPU AST with provided x, y, z, and t valued ,.

Parameters

GPUE	AST
x
y
z
t
element	number

Returns

value for provided node

find_element_num()

void find_element_num	(	EqnNode	eqn_tree,
		int &	element_num
	)

finds the total number of elements in an Abstract Syntax Tree ,

Parameters

AST
A	count for each node

find_field()

__global__ void find_field	(	double *	field,
		double	dx,
		double	dy,
		double	dz,
		double	xMax,
		double	yMax,
		double	zMax,
		double	time,
		EqnNode_gpu *	eqn
	)

Creates a fields for all values of x, y, and z with AST ,.

Parameters

Field
dx
dy
dz
xMax
yMax
zMax
time
GPUE	AST

parse_eqn()

EqnNode parse_eqn	(	Grid &	par,
		std::string	eqn_string,
		std::string	val_str
	)

Parses a provided equation string into an Abstract Syntax Tree ,.

Parameters

Parameter	set
Equation	string
String	value to store in node

Returns

Abstract Syntax Tree representing the provided equation

parse_param_file()

void parse_param_file

(

Grid &

par

)

Parses a provided file into Abstract Syntax Trees ,.

Parameters

Parameter

set

poly_j()

__device__ double poly_j	(	int	v,
		double	x,
		int	n
	)

Polynomial approximation for J bessel functions ,.

Parameters

Order	of bessel function
x	position
power	of bessel function

Returns

J bessel function approximation

tree_to_array()

void tree_to_array	(	EqnNode	eqn,
		EqnNode_gpu *	eqn_array,
		int &	element_num
	)

Transforms an AST into a GPU array ,.

Parameters

CPU	AST
GPU	AST
Total	number of elements

zeros()

__global__ void zeros	(	double *	field,
		int	n
	)

Creates a field of all zeros ,.

Parameters

Field
gridSize