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#ifndef GAUSSIAN_ND_RANDOM_H
#define GAUSSIAN_ND_RANDOM_H
#include <gsl/gsl_rng.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_integration.h>
double planar_angle_to_standard_deviation
(double mean, double theta_max, double truncation, unsigned int dimension);
unsigned int shifted_gaussian_random_vector
(const gsl_rng* r, const gsl_vector* mean,
double theta_max, double truncation, gsl_vector* x);
double shifted_gaussian_pdf
(double theta, double mean, double theta_max,
double truncation, unsigned int dimension, gsl_integration_workspace* w);
#endif
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