// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 4 -*-
//
// rnorm.h: Rcpp R/C++ interface class library --
//
// Copyright (C) 2010 - 2012 Douglas Bates, Dirk Eddelbuettel and Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp 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 2 of the License, or
// (at your option) any later version.
//
// Rcpp 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 Rcpp.  If not, see <http://www.gnu.org/licenses/>.

#ifndef Rcpp__stats__random_rnorm_h
#define Rcpp__stats__random_rnorm_h

namespace Rcpp {
	namespace stats {


		class NormGenerator : public Generator<double> {
		public:

			NormGenerator( double mean_ = 0.0 , double sd_ = 1.0 ) :
				mean(mean_), sd(sd_) {}

			inline double operator()() const {
				return mean + sd * ::norm_rand() ;
			}

		private:
			double mean ;
			double sd ;
		} ;



		class NormGenerator__sd1 : public Generator<double> {
		public:

			NormGenerator__sd1( double mean_ = 0.0 ) : mean(mean_) {}

			inline double operator()() const {
				return mean + ::norm_rand() ;
			}

		private:
			double mean ;
		} ;



		class NormGenerator__mean0 : public Generator<double> {
		public:

			NormGenerator__mean0( double sd_ = 1.0 ) : sd(sd_) {}

			inline double operator()() const {
				return sd * ::norm_rand() ;
			}

		private:
			double sd ;
		} ;


		class NormGenerator__mean0__sd1 : public Generator<double> {
		public:

			NormGenerator__mean0__sd1( ) {}

			inline double operator()() const {
				return ::norm_rand() ;
			}

		} ;

	} // stats



} // Rcpp

#endif
