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nbmath.h@ 4068

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Last change on this file since 4068 was 2639, checked in by cmv, 21 years ago
factoriel et approx cmv 22/11/04
File size: 3.9 KB

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1	/* quelques fonctions mathematiques et constantes utiles */
2	/* cmv 23/06/94 */
3	#ifndef NBMATH_H_SEEN
4	#define NBMATH_H_SEEN
5
6	#include "machdefs.h"
7	#include "smathconst.h"
8
9	#ifdef __cplusplus
10	extern "C" {
11	#endif
12
13
14	/* pour le fit 1-dim */
15	#define NPAR_FITFUN 10
16	#define FITFUN_FLOAT 1
17	#define FITFUN_DOUBLE 2
18	union FloatDouble { float fx; double dx; };
19	typedef union FloatDouble FLOATDOUBLE;
20
21	double FitFun( double (FunFit) (double ,double ,double *) ,int_4 type
22	,FLOATDOUBLE temps,FLOATDOUBLE mag,FLOATDOUBLE err
23	,int_4 *ndata,int_4 I1,int_4 I2
24	,double par,double epar,double *stepar
25	,double minpar,double maxpar,int_4 npar
26	,double stochi2,int_4 NstepMX,int_4 deb);
27
28	double GausPiv(double A,int_4 nca,int_4 n,double B,int_4 ncb,int_4 m,int_4 Inv);
29
30	int_4 paramga(float sxin, float syin, float rhoin
31	, float smax, float axisrat, float *tiltdeg);
32	int_4 gaparam(float smax, float axisrat, float tiltdeg
33	, float sxin, float syin, float *rhoin);
34
35	double nberfc(double x);
36	float probnb(float sci2,int_4 inddl,int_4 *ipass);
37	double nbgammln(double xx);
38	double nbgammq(double a,double x);
39	double nbgammp(double a,double x);
40
41	void Set_Ihoq(int degre,int mIhoqN,double IhoqNX,double *IhoqNW);
42	int Get_Ihoq(int degre,double IhoqNX,double IhoqNW);
43	void nbgauleg(double x1,double x2,double x,double w,int n);
44	double Integ_Fun(double xmin,double xmax,double (*fonc)(double),int npas);
45	double Integ_Fun_2D(double (*fonc)(double x,double y)
46	,double xmin,double xmax,double ymin,double ymax
47	,int npasx,int npasy);
48
49	void Set_FitFunDPol(int DPol);
50	double Gauss1DPolF(double x,double Par,double DgDpar);
51	double GaussI1DPol(double x,double Par,double DgDpar);
52	double Polyn1D(double x,double Par,double DgDpar);
53
54	double FitProp(double x,double y,double ey,int n,double *a1);
55	double FitLin(double x,double y,double ey,int n
56	,double a0,double a1);
57	double FitPar(double x,double y,double ey,int n
58	,double a0,double a1,double *a2);
59	double FitParLin(double xx,double y,double ey,int n,double x0,int Deg_d
60	,double a0,double a1,double b1,double b2);
61	double FitPropClean(double x,double y,double ey,int n
62	,double per_clean,double *a1);
63	double FitLinClean(double x,double y,double ey,int n
64	,double per_clean,double a0,double a1);
65	double FitParClean(double x,double y,double ey,int n
66	,double per_clean,double a0,double a1,double *a2);
67
68	float interpole(float x,int n,float t1,float t2);
69
70	int_4 MeanSig(float mag,float err,int_4 ndata,float nsigma,float mean,float *sigma);
71	int Most_Probable( float *val, int nval, float binin, int nmoy
72	, float low, float high, float *most, int deb);
73	float Ajust_GaFn(int Ns,float *fcfr
74	,float haut,float ehaut,float mean,float emean
75	,float sigma,float esigma,float fond,float efond
76	,int fixfond,int NBIN_RESOL
77	,float perc_net,float frac_sgb,float dyn_sgb,int deb);
78	float HFit_GaFn(int Ns,float *fcfr
79	,float haut,float ehaut,float mean,float emean
80	,float sigma,float esigma,float fond,float efond
81	,int fixfond,int nbin,float xmin,float xmax,int deb);
82	int Ajust_MnSg(int Ns,float *fcfr
83	,float mean,float emean,float sigma,float esigma
84	,float perc_net,float n_sigma,int deb);
85
86	float Int3DCube(float(*fonction)(float, float, float), float step,
87	float precision);
88
89	int IntFaisDr(int n,float cs,float sn,float p,float x0,float *y0
90	,int npass,float perclean,int lp);
91
92	double log_factoriel(unsigned int n);
93	double log_stirling(unsigned int n);
94	double log_gosper(unsigned int n);
95	double give_log_factoriel(unsigned int n);
96
97	#ifdef __cplusplus
98	}
99	#endif
100
101	#endif

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source: Sophya/trunk/SophyaLib/NTools/nbmath.h@ 4068

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