genrand_service

#include <genrand.h>

Inheritance diagram for genrand_service:

Public Member Functions
	FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT (genrand_service)
void	generate_random_order (t_size *out, t_size count)
virtual unsigned	genrand (unsigned range)=0
double	genrand_f ()
virtual void	seed (unsigned val)=0
Public Member Functions inherited from service_base
template<typename outPtr_t >
bool	cast (outPtr_t &outPtr)
virtual int	service_add_ref ()=0 throw ()
virtual bool	service_query (service_ptr_t< service_base > &p_out, const GUID &p_guid)
template<class T >
bool	service_query_t (service_ptr_t< T > &p_out)
virtual int	service_release ()=0 throw ()

Static Public Member Functions
static service_ptr_t< genrand_service >	g_create ()

Additional Inherited Members
Public Types inherited from service_base
typedef service_base	t_interface
Protected Member Functions inherited from service_base
	service_base ()
	~service_base ()

Detailed Description

PRNG service. Implemented by the core, do not reimplement. Use g_create() helper function to instantiate.

Definition at line 2 of file genrand.h.

Member Function Documentation

genrand_service::FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT

(

genrand_service

)

static service_ptr_t<genrand_service> genrand_service::g_create ( )

inlinestatic

Definition at line 12 of file genrand.h.

{return standard_api_create_t<genrand_service>();}

void genrand_service::generate_random_order ( t_size *  out, t_size  count  )

inline

Definition at line 14 of file genrand.h.

                                                           {
        unsigned genrandMax = (unsigned) pfc::min_t<size_t>(count, 0xFFFFFFFF);
        t_size n;
        for(n=0;n<count;n++) out[n]=n;
        for(n=0;n<count;n++) pfc::swap_t(out[n],out[genrand(genrandMax)]);
    }

virtual unsigned genrand_service::genrand ( unsigned  range )

pure virtual

Returns random value N, where 0 <= N < range.

double genrand_service::genrand_f ( )

inline

Definition at line 10 of file genrand.h.

{ return (double)genrand(0xFFFFFFFF) / (double)0xFFFFFFFF; }

virtual void genrand_service::seed ( unsigned  val )

pure virtual

Seeds the PRNG with specified value.

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The documentation for this class was generated from the following file:

• foobar2000/SDK/genrand.h