LALSimIMRSpinEOBHcapNumericalDerivative.c File Reference

Prototypes
static double	GSLSpinHamiltonianWrapper (double x, void *params)
	Wrapper for GSL to call the Hamiltonian function. More...
static int	XLALSpinHcapNumericalDerivative (double t, const REAL8 values[], REAL8 dvalues[], void *funcParams) UNUSED
static REAL8	XLALSpinHcapNumDerivWRTParam (const INT4 paramIdx, const REAL8 values[], SpinEOBParams *funcParams)
	Calculate the derivative of the Hamiltonian w.r.t. More...
static int	XLALSpinHcapNumericalDerivative (double UNUSED t, const REAL8 values[], REAL8 dvalues[], void *funcParams)
	Function to calculate numerical derivatives of the spin EOB Hamiltonian, which correspond to time derivatives of the dynamical variables in conservative dynamcis. More...

Go to the source code of this file.

Macros
#define	_LALSIMIMRSPINEOBHCAPNUMERICALDERIVATIVE_C
	In newer versions of the EOBNR approximant, we do not have an analytic expression for the derivative of the waveform. As such, it is necessary to calculate the derivatives numerically. This function provides the means to do just that. More...

Macro Definition Documentation

_LALSIMIMRSPINEOBHCAPNUMERICALDERIVATIVE_C

#define _LALSIMIMRSPINEOBHCAPNUMERICALDERIVATIVE_C

In newer versions of the EOBNR approximant, we do not have an analytic expression for the derivative of the waveform. As such, it is necessary to calculate the derivatives numerically. This function provides the means to do just that.

Author

Craig Robinson, Yi Pan

Definition at line 32 of file LALSimIMRSpinEOBHcapNumericalDerivative.c.

Function Documentation

GSLSpinHamiltonianWrapper()

static double GSLSpinHamiltonianWrapper ( double  x, void *  params  )

static

Wrapper for GSL to call the Hamiltonian function.

Definition at line 457 of file LALSimIMRSpinEOBHcapNumericalDerivative.c.

XLALSpinHcapNumericalDerivative() [1/2]

static int XLALSpinHcapNumericalDerivative ( double  t, const REAL8  values[], REAL8  dvalues[], void *  funcParams  )

static

XLALSpinHcapNumDerivWRTParam()

static REAL8 XLALSpinHcapNumDerivWRTParam ( const INT4  paramIdx, const REAL8  values[], SpinEOBParams *  funcParams  )

static

Calculate the derivative of the Hamiltonian w.r.t.

a specific parameter Used by generic spin EOB model, including initial conditions solver.

Parameters

paramIdx	< Index of the parameters
values	< Dynamical variables
funcParams	< EOB Parameters

Definition at line 395 of file LALSimIMRSpinEOBHcapNumericalDerivative.c.

XLALSpinHcapNumericalDerivative() [2/2]

static int XLALSpinHcapNumericalDerivative ( double UNUSED  t, const REAL8  values[], REAL8  dvalues[], void *  funcParams  )

static

Function to calculate numerical derivatives of the spin EOB Hamiltonian, which correspond to time derivatives of the dynamical variables in conservative dynamcis.

All derivatives, including those on two terms of the orbital phase, are returned together. The derivatives are combined with energy flux to give right hand side of the ODEs of a generic spin EOB model, as decribed in Eqs. 21, 22, 26 and 27 of Pan et al. PRD 81, 084041 (2010) This function is not used by the spin-aligned SEOBNRv1 model.

Parameters

t	< UNUSED
values	< Dynamical variables
dvalues	< Time derivatives of variables (returned)
funcParams	< EOB parameters

Definition at line 94 of file LALSimIMRSpinEOBHcapNumericalDerivative.c.