Rcpp Version 0.12.12
rnorm.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
2 //
3 // rnorm.h: Rcpp R/C++ interface class library --
4 //
5 // Copyright (C) 2010 - 2016 Douglas Bates, Dirk Eddelbuettel and Romain Francois
6 //
7 // This file is part of Rcpp.
8 //
9 // Rcpp is free software: you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation, either version 2 of the License, or
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13 //
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15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
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21 
22 #ifndef Rcpp__stats__random_rnorm_h
23 #define Rcpp__stats__random_rnorm_h
24 
25 namespace Rcpp {
26 namespace stats {
27 
28 class NormGenerator : public Generator<double> {
29 public:
30 
31  NormGenerator( double mean_ = 0.0 , double sd_ = 1.0 ) :
32  mean(mean_), sd(sd_) {}
33 
34  inline double operator()() const {
35  return mean + sd * ::norm_rand() ;
36  }
37 
38 private:
39  double mean ;
40  double sd ;
41 };
42 
43 class NormGenerator__sd1 : public Generator<double> {
44 public:
45 
46  NormGenerator__sd1( double mean_ = 0.0 ) : mean(mean_) {}
47 
48  inline double operator()() const {
49  return mean + ::norm_rand() ;
50  }
51 
52 private:
53  double mean ;
54 };
55 
56 class NormGenerator__mean0 : public Generator<double> {
57 public:
58 
59  NormGenerator__mean0( double sd_ = 1.0 ) : sd(sd_) {}
60 
61  inline double operator()() const {
62  return sd * ::norm_rand() ;
63  }
64 
65 private:
66  double sd ;
67 };
68 
69 class NormGenerator__mean0__sd1 : public Generator<double> {
70 public:
71 
73 
74  inline double operator()() const {
76  }
77 
78 };
79 
80 } // stats
81 } // Rcpp
82 
83 #endif
double operator()() const
Definition: rnorm.h:61
double norm_rand(void)
Definition: Rmath.h:30
double operator()() const
Definition: rnorm.h:34
NormGenerator(double mean_=0.0, double sd_=1.0)
Definition: rnorm.h:31
double operator()() const
Definition: rnorm.h:48
NormGenerator__sd1(double mean_=0.0)
Definition: rnorm.h:46
Rcpp API.
Definition: algo.h:28
NormGenerator__mean0(double sd_=1.0)
Definition: rnorm.h:59