cdfdist.c File Reference

Prototypes
REAL8	cdf_chisq_Pinv (REAL8 P, REAL8 nu)
REAL8	cdf_chisq_Qinv (REAL8 Q, REAL8 nu)
REAL8	cdf_gamma_Pinv (REAL8 P, REAL8 a, REAL8 b)
INT4	cdf_gamma_Qinv (REAL8 *out, REAL8 Q, REAL8 a, REAL8 b)
REAL8	cdf_ugaussian_Pinv (REAL8 P)
INT4	cdf_ugaussian_Qinv (REAL8 *out, REAL8 Q)
REAL8	cdf_gamma_P (REAL8 x, REAL8 a, REAL8 b)
REAL8	cdf_gamma_P_usingmatlab (REAL8 x, REAL8 a, REAL8 b)
INT4	cdf_gamma_Q (REAL8 *out, REAL8 x, REAL8 a, REAL8 b)
REAL8	cdf_gamma_Q_usingmatlab (REAL8 x, REAL8 a, REAL8 b)
REAL8	twospect_cdf_chisq_P (REAL8 x, REAL8 nu)
	Compute the CDF P value at value x of a chi squared distribution with nu degrees of freedom Rougly REAL4 precision. More...
REAL8	matlab_cdf_chisq_P (REAL8 x, REAL8 nu)
	Compute the CDF P value at value x of a chi squared distrubution with nu degrees of freedom using the Matlab-based function. More...
REAL8	ncx2cdf (REAL8 x, REAL8 dof, REAL8 delta)
	Matlab's version of the non-central chi-squared CDF with nu degrees of freedom and non-centrality delta at value x. More...
REAL4	ncx2cdf_float (REAL4 x, REAL4 dof, REAL4 delta)
REAL8	ncx2cdf_withouttinyprob (REAL8 x, REAL8 dof, REAL8 delta)
REAL4	ncx2cdf_float_withouttinyprob (REAL4 x, REAL4 dof, REAL4 delta)
REAL8	ncx2cdf_withouttinyprob_withmatlabchi2cdf (REAL8 x, REAL8 dof, REAL8 delta)
REAL4	ncx2cdf_float_withouttinyprob_withmatlabchi2cdf (REAL4 x, REAL4 dof, REAL4 delta)
REAL8	ncx2pdf (REAL8 x, REAL8 dof, REAL8 delta)
REAL8	ncx2inv (REAL8 p, REAL8 dof, REAL8 delta)
	Matlab's ncx2inv function. More...
REAL4	ncx2inv_float (REAL8 p, REAL8 dof, REAL8 delta)
REAL8	norminv (REAL8 p, REAL8 mu, REAL8 sigma)
REAL8	unitGaussianSNR (REAL8 value, REAL8 dof)

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Function Documentation

cdf_chisq_Pinv()

REAL8 cdf_chisq_Pinv	(	REAL8	P,
		REAL8	nu
	)

Definition at line 32 of file cdfdist.c.

cdf_chisq_Qinv()

REAL8 cdf_chisq_Qinv	(	REAL8	Q,
		REAL8	nu
	)

Definition at line 38 of file cdfdist.c.

cdf_gamma_Pinv()

REAL8 cdf_gamma_Pinv	(	REAL8	P,
		REAL8	a,
		REAL8	b
	)

Definition at line 44 of file cdfdist.c.

cdf_gamma_Qinv()

INT4 cdf_gamma_Qinv	(	REAL8 *	out,
		REAL8	Q,
		REAL8	a,
		REAL8	b
	)

Definition at line 122 of file cdfdist.c.

cdf_ugaussian_Pinv()

REAL8 cdf_ugaussian_Pinv

(

REAL8

P

)

Definition at line 193 of file cdfdist.c.

cdf_ugaussian_Qinv()

INT4 cdf_ugaussian_Qinv	(	REAL8 *	out,
		REAL8	Q
	)

Definition at line 224 of file cdfdist.c.

cdf_gamma_P()

REAL8 cdf_gamma_P	(	REAL8	x,
		REAL8	a,
		REAL8	b
	)

Definition at line 256 of file cdfdist.c.

cdf_gamma_P_usingmatlab()

REAL8 cdf_gamma_P_usingmatlab	(	REAL8	x,
		REAL8	a,
		REAL8	b
	)

Definition at line 275 of file cdfdist.c.

cdf_gamma_Q()

INT4 cdf_gamma_Q	(	REAL8 *	out,
		REAL8	x,
		REAL8	a,
		REAL8	b
	)

Definition at line 294 of file cdfdist.c.

cdf_gamma_Q_usingmatlab()

REAL8 cdf_gamma_Q_usingmatlab	(	REAL8	x,
		REAL8	a,
		REAL8	b
	)

Definition at line 314 of file cdfdist.c.

twospect_cdf_chisq_P()

REAL8 twospect_cdf_chisq_P	(	REAL8	x,
		REAL8	nu
	)

Compute the CDF P value at value x of a chi squared distribution with nu degrees of freedom Rougly REAL4 precision.

Parameters

[in]	x	CDF value at value x
[in]	nu	Number of degrees of freedom

Returns

CDF value

Definition at line 341 of file cdfdist.c.

matlab_cdf_chisq_P()

REAL8 matlab_cdf_chisq_P	(	REAL8	x,
		REAL8	nu
	)

Compute the CDF P value at value x of a chi squared distrubution with nu degrees of freedom using the Matlab-based function.

Parameters

[in]	x	CDF value at value x
[in]	nu	Number of degrees of freedom

Returns

CDF value

Definition at line 355 of file cdfdist.c.

ncx2cdf()

REAL8 ncx2cdf	(	REAL8	x,
		REAL8	dof,
		REAL8	delta
	)

Matlab's version of the non-central chi-squared CDF with nu degrees of freedom and non-centrality delta at value x.

Parameters

[in]	x	Value at which to compute the CDF
[in]	dof	Number of degrees of freedom
[in]	delta	Non-centrality parameter

Returns

CDF value

Definition at line 370 of file cdfdist.c.

ncx2cdf_float()

REAL4 ncx2cdf_float	(	REAL4	x,
		REAL4	dof,
		REAL4	delta
	)

Definition at line 429 of file cdfdist.c.

ncx2cdf_withouttinyprob()

REAL8 ncx2cdf_withouttinyprob	(	REAL8	x,
		REAL8	dof,
		REAL8	delta
	)

Definition at line 491 of file cdfdist.c.

ncx2cdf_float_withouttinyprob()

REAL4 ncx2cdf_float_withouttinyprob	(	REAL4	x,
		REAL4	dof,
		REAL4	delta
	)

Definition at line 524 of file cdfdist.c.

ncx2cdf_withouttinyprob_withmatlabchi2cdf()

REAL8 ncx2cdf_withouttinyprob_withmatlabchi2cdf	(	REAL8	x,
		REAL8	dof,
		REAL8	delta
	)

Definition at line 559 of file cdfdist.c.

ncx2cdf_float_withouttinyprob_withmatlabchi2cdf()

REAL4 ncx2cdf_float_withouttinyprob_withmatlabchi2cdf	(	REAL4	x,
		REAL4	dof,
		REAL4	delta
	)

Definition at line 593 of file cdfdist.c.

ncx2pdf()

REAL8 ncx2pdf	(	REAL8	x,
		REAL8	dof,
		REAL8	delta
	)

Definition at line 628 of file cdfdist.c.

ncx2inv()

REAL8 ncx2inv	(	REAL8	p,
		REAL8	dof,
		REAL8	delta
	)

Matlab's ncx2inv function.

Parameters

[in]	p	CDF P value from which to compute the inversion
[in]	dof	Number of degrees of freedom
[in]	delta	Non-centrality parameter

Returns

The x value that corresponds to the P value

Definition at line 708 of file cdfdist.c.

ncx2inv_float()

REAL4 ncx2inv_float	(	REAL8	p,
		REAL8	dof,
		REAL8	delta
	)

Definition at line 764 of file cdfdist.c.

norminv()

REAL8 norminv	(	REAL8	p,
		REAL8	mu,
		REAL8	sigma
	)

Definition at line 819 of file cdfdist.c.

unitGaussianSNR()

REAL8 unitGaussianSNR	(	REAL8	value,
		REAL8	dof
	)

Definition at line 826 of file cdfdist.c.