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/* Gamma distributions.
*
* SRE, Wed Nov 16 19:15:33 2005 [St. Louis]
*/
#ifndef eslGAMMA_INCLUDED
#define eslGAMMA_INCLUDED
#include "esl_config.h"
#include "esl_histogram.h"
#include "esl_random.h"
double esl_gam_pdf (double x, double mu, double lambda, double tau);
double esl_gam_logpdf (double x, double mu, double lambda, double tau);
double esl_gam_cdf (double x, double mu, double lambda, double tau);
double esl_gam_logcdf (double x, double mu, double lambda, double tau);
double esl_gam_surv (double x, double mu, double lambda, double tau);
double esl_gam_logsurv(double x, double mu, double lambda, double tau);
double esl_gam_invcdf (double p, double mu, double lambda, double tau);
double esl_gam_generic_pdf (double x, void *params);
double esl_gam_generic_cdf (double x, void *params);
double esl_gam_generic_surv (double x, void *params);
double esl_gam_generic_invcdf(double x, void *params);
extern int esl_gam_Plot(FILE *fp, double mu, double lambda, double tau,
double (*func)(double x, double mu, double lambda, double tau),
double xmin, double xmax, double xstep);
extern double esl_gam_Sample(ESL_RANDOMNESS *r, double mu, double lambda, double tau);
extern int esl_gam_FitComplete(double *x, int n, double mu, double *ret_lambda, double *ret_tau);
extern int esl_gam_FitCompleteBinned(ESL_HISTOGRAM *h, double *ret_mu, double *ret_lambda, double *ret_tau);
#endif /*eslGAMMA_INCLUDED*/
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