From a3adb94aca47372c1023ad69fbce82dfb6aeba14 Mon Sep 17 00:00:00 2001
From: Matt Borland <matt@mattborland.com>
Date: Fri, 30 Aug 2024 15:46:47 -0400
Subject: [PATCH] Add GPU markers to supported dists docs

---
 doc/distributions/arcsine.qbk       | 12 +++++++-----
 doc/distributions/bernoulli.qbk     | 10 ++++++----
 doc/distributions/beta.qbk          | 22 ++++++++++++----------
 doc/distributions/cauchy.qbk        | 14 ++++++++------
 doc/distributions/chi_squared.qbk   |  8 +++++---
 doc/distributions/exponential.qbk   | 10 ++++++----
 doc/distributions/extreme_value.qbk | 14 ++++++++------
 doc/distributions/holtsmark.qbk     | 14 ++++++++------
 doc/distributions/landau.qbk        | 18 ++++++++++--------
 doc/distributions/laplace.qbk       | 14 ++++++++------
 doc/distributions/logistic.qbk      | 14 ++++++++------
 doc/distributions/mapairy.qbk       | 14 ++++++++------
 doc/distributions/saspoint5.qbk     | 14 ++++++++------
 doc/distributions/weibull.qbk       | 14 ++++++++------
 14 files changed, 110 insertions(+), 82 deletions(-)

diff --git a/doc/distributions/arcsine.qbk b/doc/distributions/arcsine.qbk
index fbd6e86b1..7930f97d5 100644
--- a/doc/distributions/arcsine.qbk
+++ b/doc/distributions/arcsine.qbk
@@ -21,11 +21,11 @@
       typedef Policy    policy_type;
 
       // Constructor from two range parameters, x_min and x_max:
-      arcsine_distribution(RealType x_min = 0, RealType x_max = 1);
+      BOOST_MATH_GPU_ENABLED arcsine_distribution(RealType x_min = 0, RealType x_max = 1);
 
       // Range Parameter accessors:
-      RealType x_min() const;
-      RealType x_max() const;
+      BOOST_MATH_GPU_ENABLED RealType x_min() const;
+      BOOST_MATH_GPU_ENABLED RealType x_max() const;
    };
    }} // namespaces
 
@@ -103,8 +103,8 @@ constructs a 'Standard 01' arcsine distribution.
 
 [h5 Parameter Accessors]
 
-   RealType x_min() const;
-   RealType x_max() const;
+   BOOST_MATH_GPU_ENABLED RealType x_min() const;
+   BOOST_MATH_GPU_ENABLED RealType x_max() const;
 
 Return the parameter ['x_min] or  ['x_max] from which this distribution was constructed.
 
@@ -116,6 +116,8 @@ So, for example:
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The formulae for calculating these are shown in the table below, and at
 [@http://mathworld.wolfram.com/arcsineDistribution.html Wolfram Mathworld].
diff --git a/doc/distributions/bernoulli.qbk b/doc/distributions/bernoulli.qbk
index 4a2fc7b61..719c42cd9 100644
--- a/doc/distributions/bernoulli.qbk
+++ b/doc/distributions/bernoulli.qbk
@@ -16,9 +16,9 @@
        typedef RealType  value_type;
        typedef Policy    policy_type;
 
-       bernoulli_distribution(RealType p); // Constructor.
+       BOOST_MATH_GPU_ENABLED bernoulli_distribution(RealType p); // Constructor.
        // Accessor function.
-       RealType success_fraction() const
+       BOOST_MATH_GPU_ENABLED RealType success_fraction() const
        // Probability of success (as a fraction).
     };
    }} // namespaces
@@ -51,12 +51,12 @@ and the [@http://en.wikipedia.org/wiki/Cumulative_Distribution_Function Cumulati
 
 [h4 Member Functions]
 
-   bernoulli_distribution(RealType p);
+   BOOST_MATH_GPU_ENABLED bernoulli_distribution(RealType p);
 
 Constructs a [@http://en.wikipedia.org/wiki/bernoulli_distribution
 bernoulli distribution] with success_fraction /p/.
 
-   RealType success_fraction() const
+   BOOST_MATH_GPU_ENABLED RealType success_fraction() const
 
 Returns the /success_fraction/ parameter of this distribution.
 
@@ -64,6 +64,8 @@ Returns the /success_fraction/ parameter of this distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random variable is 0 and 1,
 and the useful supported range is only 0 or 1.
diff --git a/doc/distributions/beta.qbk b/doc/distributions/beta.qbk
index 95943f715..5ba1a6d1c 100644
--- a/doc/distributions/beta.qbk
+++ b/doc/distributions/beta.qbk
@@ -19,30 +19,30 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
       // Constructor from two shape parameters, alpha & beta:
-      beta_distribution(RealType a, RealType b);
+      BOOST_MATH_GPU_ENABLED beta_distribution(RealType a, RealType b);
       
       // Parameter accessors:
-      RealType alpha() const;
-      RealType beta() const;
+      BOOST_MATH_GPU_ENABLED RealType alpha() const;
+      BOOST_MATH_GPU_ENABLED RealType beta() const;
       
       // Parameter estimators of alpha or beta from mean and variance.
-      static RealType find_alpha(
+      BOOST_MATH_GPU_ENABLED static RealType find_alpha(
         RealType mean, // Expected value of mean.
         RealType variance); // Expected value of variance.
       
-      static RealType find_beta(
+      BOOST_MATH_GPU_ENABLED static RealType find_beta(
         RealType mean, // Expected value of mean.
         RealType variance); // Expected value of variance.
   
       // Parameter estimators from
       // either alpha or beta, and x and probability.
       
-      static RealType find_alpha(
+      BOOST_MATH_GPU_ENABLED static RealType find_alpha(
         RealType beta, // from beta.
         RealType x, //  x.
         RealType probability); // cdf
       
-      static RealType find_beta(
+      BOOST_MATH_GPU_ENABLED static RealType find_beta(
         RealType alpha, // alpha.
         RealType x, // probability x.
         RealType probability); // probability cdf.
@@ -98,7 +98,7 @@ whose apex is away from the centre (where x = half).
 
 [h5 Constructor]
 
-   beta_distribution(RealType alpha, RealType beta);
+   BOOST_MATH_GPU_ENABLED beta_distribution(RealType alpha, RealType beta);
 
 Constructs a beta distribution with shape parameters /alpha/ and /beta/.
 
@@ -117,11 +117,11 @@ in the graph above).
 
 [h5 Parameter Accessors]
 
-   RealType alpha() const;
+   BOOST_MATH_GPU_ENABLED RealType alpha() const;
    
 Returns the parameter /alpha/ from which this distribution was constructed.
    
-   RealType beta() const;
+   BOOST_MATH_GPU_ENABLED RealType beta() const;
    
 Returns the parameter /beta/ from which this distribution was constructed.
 
@@ -182,6 +182,8 @@ Returns the value of [beta] that gives:
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The formulae for calculating these are shown in the table below, and at
 [@http://mathworld.wolfram.com/BetaDistribution.html Wolfram Mathworld].
diff --git a/doc/distributions/cauchy.qbk b/doc/distributions/cauchy.qbk
index 2d388740a..e59e3760e 100644
--- a/doc/distributions/cauchy.qbk
+++ b/doc/distributions/cauchy.qbk
@@ -15,10 +15,10 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
 
-      cauchy_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED cauchy_distribution(RealType location = 0, RealType scale = 1);
       
-      RealType location()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
    
 The [@http://en.wikipedia.org/wiki/Cauchy_distribution Cauchy-Lorentz distribution]
@@ -53,7 +53,7 @@ the distribution:
 
 [h4 Member Functions]
 
-   cauchy_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED cauchy_distribution(RealType location = 0, RealType scale = 1);
    
 Constructs a Cauchy distribution, with location parameter /location/
 and scale parameter /scale/.  When these parameters take their default
@@ -62,11 +62,11 @@ then the result is a Standard Cauchy Distribution.
 
 Requires scale > 0, otherwise calls __domain_error.
    
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
    
 Returns the location parameter of the distribution.
    
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
    
 Returns the scale parameter of the distribution.
 
@@ -74,6 +74,8 @@ Returns the scale parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 Note however that the Cauchy distribution does not have a mean,
 standard deviation, etc. See __math_undefined
diff --git a/doc/distributions/chi_squared.qbk b/doc/distributions/chi_squared.qbk
index 753e1f401..b52d4d392 100644
--- a/doc/distributions/chi_squared.qbk
+++ b/doc/distributions/chi_squared.qbk
@@ -18,13 +18,13 @@
       typedef Policy    policy_type;
 
       // Constructor:
-      chi_squared_distribution(RealType i);
+      BOOST_MATH_GPU_ENABLED chi_squared_distribution(RealType i);
 
       // Accessor to parameter:
-      RealType degrees_of_freedom()const;
+      BOOST_MATH_GPU_ENABLED RealType degrees_of_freedom()const;
 
       // Parameter estimation:
-      static RealType find_degrees_of_freedom(
+      BOOST_MATH_GPU_ENABLED static RealType find_degrees_of_freedom(
          RealType difference_from_mean,
          RealType alpha,
          RealType beta,
@@ -104,6 +104,8 @@ See also section on Sample sizes required in
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 (We have followed the usual restriction of the mode to degrees of freedom >= 2,
 but note that the maximum of the pdf is actually zero for degrees of freedom from 2 down to 0,
diff --git a/doc/distributions/exponential.qbk b/doc/distributions/exponential.qbk
index b47f0b8bc..3c90a9648 100644
--- a/doc/distributions/exponential.qbk
+++ b/doc/distributions/exponential.qbk
@@ -15,9 +15,9 @@
       typedef RealType value_type;
       typedef Policy   policy_type;
 
-      exponential_distribution(RealType lambda = 1);
+      BOOST_MATH_GPU_ENABLED exponential_distribution(RealType lambda = 1);
 
-      RealType lambda()const;
+      BOOST_MATH_GPU_ENABLED RealType lambda()const;
    };
 
 
@@ -37,7 +37,7 @@ values of the rate parameter lambda:
 
 [h4 Member Functions]
 
-   exponential_distribution(RealType lambda = 1);
+   BOOST_MATH_GPU_ENABLED exponential_distribution(RealType lambda = 1);
    
 Constructs an
 [@http://en.wikipedia.org/wiki/Exponential_distribution Exponential distribution]
@@ -46,7 +46,7 @@ Lambda is defined as the reciprocal of the scale parameter.
 
 Requires lambda > 0, otherwise calls __domain_error.
 
-   RealType lambda()const;
+   BOOST_MATH_GPU_ENABLED RealType lambda()const;
    
 Accessor function returns the lambda parameter of the distribution.
    
@@ -54,6 +54,8 @@ Accessor function returns the lambda parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random variable is \[0, +[infin]\].
 
diff --git a/doc/distributions/extreme_value.qbk b/doc/distributions/extreme_value.qbk
index 43f68546f..f47467d2b 100644
--- a/doc/distributions/extreme_value.qbk
+++ b/doc/distributions/extreme_value.qbk
@@ -14,10 +14,10 @@
    public:
       typedef RealType value_type;
 
-      extreme_value_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED extreme_value_distribution(RealType location = 0, RealType scale = 1);
 
-      RealType scale()const;
-      RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
    };
 
 There are various
@@ -59,18 +59,18 @@ And this graph illustrates how the PDF varies with the shape parameter:
 
 [h4 Member Functions]
 
-   extreme_value_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED extreme_value_distribution(RealType location = 0, RealType scale = 1);
    
 Constructs an Extreme Value distribution with the specified location and scale
 parameters.
 
 Requires `scale > 0`, otherwise calls __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
    
 Returns the location parameter of the distribution.
    
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
    
 Returns the scale parameter of the distribution.
    
@@ -78,6 +78,8 @@ Returns the scale parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random parameter is \[-[infin], +[infin]\].
 
diff --git a/doc/distributions/holtsmark.qbk b/doc/distributions/holtsmark.qbk
index 49149ab92..39c42ff13 100644
--- a/doc/distributions/holtsmark.qbk
+++ b/doc/distributions/holtsmark.qbk
@@ -15,10 +15,10 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
 
-      holtsmark_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED holtsmark_distribution(RealType location = 0, RealType scale = 1);
 
-      RealType location()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
 
 The [@http://en.wikipedia.org/wiki/holtsmark_distribution Holtsmark distribution]
@@ -51,7 +51,7 @@ the distribution:
 
 [h4 Member Functions]
 
-   holtsmark_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED holtsmark_distribution(RealType location = 0, RealType scale = 1);
 
 Constructs a holtsmark distribution, with location parameter /location/
 and scale parameter /scale/.  When these parameters take their default
@@ -60,11 +60,11 @@ then the result is a Standard holtsmark Distribution.
 
 Requires scale > 0, otherwise calls __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
 
 Returns the location parameter of the distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the scale parameter of the distribution.
 
@@ -72,6 +72,8 @@ Returns the scale parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 Note however that the holtsmark distribution does not have a skewness,
 kurtosis, etc. See __math_undefined
diff --git a/doc/distributions/landau.qbk b/doc/distributions/landau.qbk
index b73450504..90dced0aa 100644
--- a/doc/distributions/landau.qbk
+++ b/doc/distributions/landau.qbk
@@ -15,11 +15,11 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
 
-      landau_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED landau_distribution(RealType location = 0, RealType scale = 1);
 
-      RealType location()const;
-      RealType scale()const;
-      RealType bias()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType bias()const;
    };
 
 The [@http://en.wikipedia.org/wiki/landau_distribution Landau distribution]
@@ -54,7 +54,7 @@ the distribution:
 
 [h4 Member Functions]
 
-   landau_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED landau_distribution(RealType location = 0, RealType scale = 1);
 
 Constructs a landau distribution, with location parameter /location/
 and scale parameter /scale/.  When these parameters take their default
@@ -63,15 +63,15 @@ then the result is a Standard landau Distribution.
 
 Requires scale > 0, otherwise calls __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
 
 Returns the location parameter of the distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the scale parameter of the distribution.
 
-   RealType bias()const;
+   BOOST_MATH_GPU_ENABLED RealType bias()const;
 
 Returns the amount of translation by the scale parameter.
 [expression bias = - 2 / [pi] log(c)]
@@ -80,6 +80,8 @@ Returns the amount of translation by the scale parameter.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 Note however that the landau distribution does not have a mean,
 standard deviation, etc. See __math_undefined
diff --git a/doc/distributions/laplace.qbk b/doc/distributions/laplace.qbk
index 1afa7f4e1..6115efcb8 100644
--- a/doc/distributions/laplace.qbk
+++ b/doc/distributions/laplace.qbk
@@ -17,10 +17,10 @@
       typedef RealType value_type;
       typedef Policy   policy_type;
       // Construct:
-      laplace_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED laplace_distribution(RealType location = 0, RealType scale = 1);
       // Accessors:
-      RealType location()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
 
    }} // namespaces
@@ -49,7 +49,7 @@ Note that the domain of the random variable remains
 
 [h4 Member Functions]
 
-   laplace_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED laplace_distribution(RealType location = 0, RealType scale = 1);
 
 Constructs a laplace distribution with location /location/ and
 scale /scale/.
@@ -61,11 +61,11 @@ The scale parameter is proportional to the standard deviation of the random vari
 Requires that the scale parameter is greater than zero, otherwise calls
 __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
 
 Returns the /location/ parameter of this distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the /scale/ parameter of this distribution.
 
@@ -73,6 +73,8 @@ Returns the /scale/ parameter of this distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions] that are generic to all
 distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random variable is \[-[infin],+[infin]\].
 
diff --git a/doc/distributions/logistic.qbk b/doc/distributions/logistic.qbk
index 84b3a24f1..dc42a5d8b 100644
--- a/doc/distributions/logistic.qbk
+++ b/doc/distributions/logistic.qbk
@@ -15,10 +15,10 @@
       typedef RealType value_type;
       typedef Policy   policy_type;
       // Construct:
-      logistic_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED logistic_distribution(RealType location = 0, RealType scale = 1);
       // Accessors:
-      RealType location()const; // location.
-      RealType scale()const; // scale.
+      BOOST_MATH_GPU_ENABLED RealType location()const; // location.
+      BOOST_MATH_GPU_ENABLED RealType scale()const; // scale.
       
    };
 
@@ -39,17 +39,17 @@ parameters change:
 
 [h4 Member Functions]
 
-   logistic_distribution(RealType u = 0, RealType s = 1);
+   BOOST_MATH_GPU_ENABLED logistic_distribution(RealType u = 0, RealType s = 1);
 
 Constructs a logistic distribution with location /u/ and scale /s/.
 
 Requires `scale > 0`, otherwise a __domain_error is raised.
 
-   RealType location()const;   
+   BOOST_MATH_GPU_ENABLED RealType location()const;   
 
 Returns the location of this distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the scale of this distribution. 
 
@@ -57,6 +57,8 @@ Returns the scale of this distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random variable is \[-\[max_value\], +\[min_value\]\]. 
 However, the pdf and cdf support inputs of +[infin] and -[infin]
diff --git a/doc/distributions/mapairy.qbk b/doc/distributions/mapairy.qbk
index 97d624a93..817fb980d 100644
--- a/doc/distributions/mapairy.qbk
+++ b/doc/distributions/mapairy.qbk
@@ -15,10 +15,10 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
 
-      mapairy_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED mapairy_distribution(RealType location = 0, RealType scale = 1);
 
-      RealType location()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
 
 It is special case of a [@http://en.wikipedia.org/wiki/Stable_distribution stable distribution]
@@ -50,7 +50,7 @@ the distribution:
 
 [h4 Member Functions]
 
-   mapairy_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED mapairy_distribution(RealType location = 0, RealType scale = 1);
 
 Constructs a mapairy distribution, with location parameter /location/
 and scale parameter /scale/.  When these parameters take their default
@@ -59,11 +59,11 @@ then the result is a Standard map-airy Distribution.
 
 Requires scale > 0, otherwise calls __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
 
 Returns the location parameter of the distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the scale parameter of the distribution.
 
@@ -71,6 +71,8 @@ Returns the scale parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 Note however that the map-airy distribution does not have a skewness,
 kurtosis, etc. See __math_undefined
diff --git a/doc/distributions/saspoint5.qbk b/doc/distributions/saspoint5.qbk
index 1421b5bac..06efbd32e 100644
--- a/doc/distributions/saspoint5.qbk
+++ b/doc/distributions/saspoint5.qbk
@@ -15,10 +15,10 @@
       typedef RealType  value_type;
       typedef Policy    policy_type;
 
-      saspoint5_distribution(RealType location = 0, RealType scale = 1);
+      BOOST_MATH_GPU_ENABLED saspoint5_distribution(RealType location = 0, RealType scale = 1);
 
-      RealType location()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType location()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
 
 It is special case of a [@http://en.wikipedia.org/wiki/Stable_distribution stable distribution]
@@ -49,7 +49,7 @@ the distribution:
 
 [h4 Member Functions]
 
-   saspoint5_distribution(RealType location = 0, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED saspoint5_distribution(RealType location = 0, RealType scale = 1);
 
 Constructs a S[alpha]S Point5 distribution, with location parameter /location/
 and scale parameter /scale/.  When these parameters take their default
@@ -58,11 +58,11 @@ then the result is a Standard S[alpha]S Point5 Distribution.
 
 Requires scale > 0, otherwise calls __domain_error.
 
-   RealType location()const;
+   BOOST_MATH_GPU_ENABLED RealType location()const;
 
 Returns the location parameter of the distribution.
 
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
 
 Returns the scale parameter of the distribution.
 
@@ -70,6 +70,8 @@ Returns the scale parameter of the distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions]
 that are generic to all distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 Note however that the S[alpha]S Point5 distribution does not have a mean,
 standard deviation, etc. See __math_undefined
diff --git a/doc/distributions/weibull.qbk b/doc/distributions/weibull.qbk
index 3ec18b18d..37139ab2c 100644
--- a/doc/distributions/weibull.qbk
+++ b/doc/distributions/weibull.qbk
@@ -17,10 +17,10 @@
       typedef RealType value_type;
       typedef Policy   policy_type;
       // Construct:
-      weibull_distribution(RealType shape, RealType scale = 1)
+      BOOST_MATH_GPU_ENABLED weibull_distribution(RealType shape, RealType scale = 1)
       // Accessors:
-      RealType shape()const;
-      RealType scale()const;
+      BOOST_MATH_GPU_ENABLED RealType shape()const;
+      BOOST_MATH_GPU_ENABLED RealType scale()const;
    };
    
    }} // namespaces
@@ -65,7 +65,7 @@ Samuel Kotz & Saralees Nadarajah].
    
 [h4 Member Functions]
 
-   weibull_distribution(RealType shape, RealType scale = 1);
+   BOOST_MATH_GPU_ENABLED weibull_distribution(RealType shape, RealType scale = 1);
    
 Constructs a [@http://en.wikipedia.org/wiki/Weibull_distribution 
 Weibull distribution] with shape /shape/ and scale /scale/.
@@ -73,11 +73,11 @@ Weibull distribution] with shape /shape/ and scale /scale/.
 Requires that the /shape/ and /scale/ parameters are both greater than zero, 
 otherwise calls __domain_error.
 
-   RealType shape()const;
+   BOOST_MATH_GPU_ENABLED RealType shape()const;
    
 Returns the /shape/ parameter of this distribution.
    
-   RealType scale()const;
+   BOOST_MATH_GPU_ENABLED RealType scale()const;
       
 Returns the /scale/ parameter of this distribution.
 
@@ -85,6 +85,8 @@ Returns the /scale/ parameter of this distribution.
 
 All the [link math_toolkit.dist_ref.nmp usual non-member accessor functions] that are generic to all
 distributions are supported: __usual_accessors.
+For this distribution all non-member accessor functions are marked with `BOOST_MATH_GPU_ENABLED` and can
+be run on both host and device.
 
 The domain of the random variable is \[0, [infin]\].