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/*
nsmc --- n-sphere Monte Carlo method
Copyright © 2021 Arun I <arunisaac@systemreboot.net>
Copyright © 2021 Murugesan Venkatapathi <murugesh@iisc.ac.in>
This file is part of nsmc.
nsmc is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
nsmc is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with nsmc. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ORACLES_H
#define ORACLES_H
#include <gsl/gsl_rng.h>
#include <gsl/gsl_vector.h>
typedef struct {
double p, r0, r1;
} bernoulli_params;
double bernoulli_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double bernoulli_true_volume (unsigned int dimension, void *params);
typedef struct {
double a, b;
} uniform_params;
double uniform_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double uniform_true_volume (unsigned int dimension, void *params);
typedef struct {
double alpha, beta;
} beta_params;
double beta_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double beta_true_volume (unsigned int dimension, void *params);
typedef struct {
double edge;
const gsl_vector* center;
} cube_params;
double cube_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double cube_extent_oracle_with_center (const gsl_rng *r, const gsl_vector *x, void *params);
double cube_true_volume (unsigned int dimension, void *params);
typedef struct {
const gsl_vector* axes;
const gsl_vector* center;
} ellipsoid_params;
double ellipsoid_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double ellipsoid_extent_oracle_with_center (const gsl_rng *r, const gsl_vector *x, void *params);
double ellipsoid_true_volume (unsigned int dimension, void *params);
typedef struct {
double eccentricity;
} spheroid_params;
double spheroid_extent_oracle (const gsl_rng *r, const gsl_vector *x, void *params);
double spheroid_true_volume (unsigned int dimension, void *params);
#endif
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