ginac_functions.h File Reference

Implementation of JEMRIS ginac_functions. More...

#include <ginac/ginac.h>
#include <ginac/power.h>
#include <vector>
#include <dlfcn.h>
#include <fstream>
#include <ios>
#include <sstream>
#include <stdexcept>
#include <string>
#include <stdlib.h>
#include "config.h"

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Typedefs
typedef double(*	FUNCP_4P) (double, double, double, double)

Functions
const symbol &	get_symbol (const string &sym_name)
	Get a unique GiNaC symbol.
static ex	sinc_eval (const ex &x)
	sqrt-function. (problem on mac: libc++abi.dylib throws exception: "sqrt" function is not recognized in GiNaC::ex Constructor)
static ex	sinc_evalf (const ex &x)
static ex	sinc_deriv (const ex &x, unsigned diff_param)
static ex	sinc_real_part (const ex &x)
static ex	sinc_imag_part (const ex &x)
static ex	sinc_conjugate (const ex &x)
	REGISTER_FUNCTION (sinc, eval_func(sinc_eval). evalf_func(sinc_evalf). derivative_func(sinc_deriv). real_part_func(sinc_real_part). imag_part_func(sinc_imag_part). conjugate_func(sinc_conjugate)) static ex floor_evalf(const ex &x)
	floor routine.
static ex	mod_evalf (const ex &x, const ex &y)
	Mod routine.
static ex	equal_evalf (const ex &x, const ex &y)
	equal routine.
static ex	gt_evalf (const ex &x, const ex &y)
	greater_than routine.
static ex	lt_evalf (const ex &x, const ex &y)
	less_than routine.
static ex	ite_evalf (const ex &a, const ex &b, const ex &x, const ex &y)
	IfThenElse routine.
static ex	Vector_evalf (const ex &i)
void	compile_ex (const ex &expr, const symbol &sym1, const symbol &sym2, const symbol &sym3, const symbol &sym4, FUNCP_4P &fp, const std::string filename="")

Variables
static vector< double > *	m_static_vector
	Vector element.
static excompiler	global_excompiler

Detailed Description

Implementation of JEMRIS ginac_functions.

Function Documentation

equal_evalf()

static ex equal_evalf ( const ex & x, const ex & y )

static

equal routine.

Returns 1 if expressions have equal values, 0 otherwise.

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get_symbol()

const symbol & get_symbol

(

const string &

sym_name

)

Get a unique GiNaC symbol.

A symbol factory, which either creates a new symbol or takes previously defined symbol from a global map.

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gt_evalf()

static ex gt_evalf ( const ex & x, const ex & y )

static

greater_than routine.

Returns 1 if expression x > y, 0 otherwise.

ite_evalf()

static ex ite_evalf ( const ex & a, const ex & b, const ex & x, const ex & y )

static

IfThenElse routine.

if a==b returns x, otherwise y.

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lt_evalf()

static ex lt_evalf ( const ex & x, const ex & y )

static

less_than routine.

Returns 1 if expression x < y, 0 otherwise.

mod_evalf()

static ex mod_evalf ( const ex & x, const ex & y )

static

Mod routine.

Modulo of two expressions.

REGISTER_FUNCTION()

REGISTER_FUNCTION	(	sinc	,
		eval_func(sinc_eval). evalf_func(sinc_evalf). derivative_func(sinc_deriv). real_part_func(sinc_real_part). imag_part_func(sinc_imag_part). conjugate_func(sinc_conjugate)	) const &

floor routine.

Round expression to integer.

sinc_eval()

static ex sinc_eval ( const ex & x )

static

sqrt-function. (problem on mac: libc++abi.dylib throws exception: "sqrt" function is not recognized in GiNaC::ex Constructor)

sinc-function.

return sin(x)/x for nonzero x, else return 1

Variable Documentation

m_static_vector

vector<double>* m_static_vector

static

Vector element.

Get an element of a Vector.