pdf.h

Go to the documentation of this file.

/*
 * This work is licensed under a Creative Commons 
 * Attribution-Noncommercial-Share Alike 3.0 United States License.
 * 
 *    http://creativecommons.org/licenses/by-nc-sa/3.0/us/
 * 
 * You are free:
 * 
 *    to Share - to copy, distribute, display, and perform the work
 *    to Remix - to make derivative works
 * 
 * Under the following conditions:
 * 
 *    Attribution. You must attribute the work in the manner specified by the
 *    author or licensor (but not in any way that suggests that they endorse you
 *    or your use of the work).
 * 
 *    Noncommercial. You may not use this work for commercial purposes.
 * 
 *    Share Alike. If you alter, transform, or build upon this work, you may
 *    distribute the resulting work only under the same or similar license to
 *    this one.
 * 
 * For any reuse or distribution, you must make clear to others the license
 * terms of this work. The best way to do this is by including this header.
 * 
 * Any of the above conditions can be waived if you get permission from the
 * copyright holder.
 * 
 * Apart from the remix rights granted under this license, nothing in this
 * license impairs or restricts the author's moral rights.
 */


#ifndef PDF_H
#define PDF_H


#include <jwsc/config.h>

#include <stdlib.h>


#ifdef __cplusplus
namespace jwsc {
extern "C" {
#endif


float standard_gaussian_pdf_f(float x);

double standard_gaussian_pdf_d(double x);

float gaussian_pdf_f(float mu, float sigma, float x);

double gaussian_pdf_d(double mu, double sigma, double x);

float log_standard_gaussian_pdf_f(float x);

double log_standard_gaussian_pdf_d(double x);

float log_gaussian_pdf_f(float mu, float sigma, float x);

double log_gaussian_pdf_d(double mu, double sigma, double x);

#if defined JWSC_HAVE_SLATEC || defined JWSC_HAVE_ERF

float integrate_gaussian_pdf_f
(
    float mu, 
    float sigma, 
    float a, 
    float b
);


double integrate_gaussian_pdf_d
(
    double mu, 
    double sigma, 
    double a, 
    double b
);

#endif


float sample_standard_gaussian_pdf_f(float a, float b);

double sample_standard_gaussian_pdf_d(double a, double b);

float sample_gaussian_pdf_f
(
    float mu, 
    float sigma, 
    float a, 
    float b
);

double sample_gaussian_pdf_d
(
    double mu, 
    double sigma, 
    double a, 
    double b
);

#if defined JWSC_HAVE_TGAMMA

float gamma_pdf_f(float alpha, float beta, float x);

double gamma_pdf_d(double alpha, double beta, double x);

#endif


#if defined JWSC_HAVE_LGAMMA

float log_gamma_pdf_f(float alpha, float beta, float x);

double log_gamma_pdf_d(double alpha, double beta, double x);

#endif


#if defined JWSC_HAVE_TGAMMA

float sample_gamma_pdf_f
(
    float alpha, 
    float beta, 
    float a, 
    float b
);

double sample_gamma_pdf_d
(
    double alpha, 
    double beta, 
    double a, 
    double b
);

#endif


float sample_uniform_pdf_f(float a, float b);

double sample_uniform_pdf_d(double a, double b);

float sample_sine_pdf_f();

double sample_sine_pdf_d();

#ifdef __cplusplus
}
}
#endif


#endif