.TH "std::discrete_distribution< _IntType >" 3cxx "Tue Jul 18 2023" "libstdc++" \" -*- nroff -*-
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.SH NAME
std::discrete_distribution< _IntType > \- A discrete_distribution random number distribution\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <random\&.h>\fP
.SS "Classes"

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.ti -1c
.RI "struct \fBparam_type\fP"
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.SS "Public Types"

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.ti -1c
.RI "typedef _IntType \fBresult_type\fP"
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.SS "Public Member Functions"

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.ti -1c
.RI "template<typename _InputIterator > \fBdiscrete_distribution\fP (_InputIterator __wbegin, _InputIterator __wend)"
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.RI "\fBdiscrete_distribution\fP (const \fBparam_type\fP &__p)"
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.RI "\fBdiscrete_distribution\fP (\fBinitializer_list\fP< double > __wl)"
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.RI "template<typename _Func > \fBdiscrete_distribution\fP (size_t __nw, double __xmin, double __xmax, _Func __fw)"
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.RI "template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void \fB__generate\fP (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng)"
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.RI "template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void \fB__generate\fP (_ForwardIterator __f, _ForwardIterator __t, _UniformRandomNumberGenerator &__urng, const \fBparam_type\fP &__p)"
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.ti -1c
.RI "template<typename _UniformRandomNumberGenerator > void \fB__generate\fP (\fBresult_type\fP *__f, \fBresult_type\fP *__t, _UniformRandomNumberGenerator &__urng, const \fBparam_type\fP &__p)"
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.RI "\fBresult_type\fP \fBmax\fP () const"
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.RI "Returns the least upper bound value of the distribution\&. "
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.RI "\fBresult_type\fP \fBmin\fP () const"
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.RI "Returns the greatest lower bound value of the distribution\&. "
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.RI "template<typename _UniformRandomNumberGenerator > \fBresult_type\fP \fBoperator()\fP (_UniformRandomNumberGenerator &__urng)"
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.RI "Generating functions\&. "
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.RI "template<typename _UniformRandomNumberGenerator > \fBresult_type\fP \fBoperator()\fP (_UniformRandomNumberGenerator &__urng, const \fBparam_type\fP &__p)"
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.RI "\fBparam_type\fP \fBparam\fP () const"
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.RI "Returns the parameter set of the distribution\&. "
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.RI "void \fBparam\fP (const \fBparam_type\fP &__param)"
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.RI "Sets the parameter set of the distribution\&. "
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.RI "\fBstd::vector\fP< double > \fBprobabilities\fP () const"
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.RI "Returns the probabilities of the distribution\&. "
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.RI "void \fBreset\fP ()"
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.RI "Resets the distribution state\&. "
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.SS "Friends"

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.RI "template<typename _IntType1 , typename _CharT , typename _Traits > \fBstd::basic_ostream\fP< _CharT, _Traits > & \fBoperator<<\fP (\fBstd::basic_ostream\fP< _CharT, _Traits > &__os, const \fBstd::discrete_distribution\fP< _IntType1 > &__x)"
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.RI "Inserts a discrete_distribution random number distribution \fC__x\fP into the output stream \fC__os\fP\&. "
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.RI "bool \fBoperator==\fP (const \fBdiscrete_distribution\fP &__d1, const \fBdiscrete_distribution\fP &__d2)"
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.RI "Return true if two discrete distributions have the same parameters\&. "
.ti -1c
.RI "template<typename _IntType1 , typename _CharT , typename _Traits > \fBstd::basic_istream\fP< _CharT, _Traits > & \fBoperator>>\fP (\fBstd::basic_istream\fP< _CharT, _Traits > &__is, \fBstd::discrete_distribution\fP< _IntType1 > &__x)"
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.RI "Extracts a discrete_distribution random number distribution \fC__x\fP from the input stream \fC__is\fP\&. "
.in -1c
.SH "Detailed Description"
.PP 

.SS "template<typename _IntType = int>
.br
class std::discrete_distribution< _IntType >"A discrete_distribution random number distribution\&. 

The formula for the discrete probability mass function is 
.SH "Member Typedef Documentation"
.PP 
.SS "template<typename _IntType  = int> typedef _IntType \fBstd::discrete_distribution\fP< _IntType >::result_type"
The type of the range of the distribution\&. 
.SH "Member Function Documentation"
.PP 
.SS "template<typename _IntType  = int> \fBresult_type\fP \fBstd::discrete_distribution\fP< _IntType >::max () const\fC [inline]\fP"

.PP
Returns the least upper bound value of the distribution\&. 
.PP
References \fBstd::vector< _Tp, _Alloc >::empty()\fP, and \fBstd::vector< _Tp, _Alloc >::size()\fP\&.
.SS "template<typename _IntType  = int> \fBresult_type\fP \fBstd::discrete_distribution\fP< _IntType >::min () const\fC [inline]\fP"

.PP
Returns the greatest lower bound value of the distribution\&. 
.SS "template<typename _IntType  = int> template<typename _UniformRandomNumberGenerator > \fBresult_type\fP \fBstd::discrete_distribution\fP< _IntType >::operator() (_UniformRandomNumberGenerator & __urng)\fC [inline]\fP"

.PP
Generating functions\&. 
.PP
References \fBstd::discrete_distribution< _IntType >::operator()()\fP\&.
.PP
Referenced by \fBstd::discrete_distribution< _IntType >::operator()()\fP\&.
.SS "template<typename _IntType  = int> \fBparam_type\fP \fBstd::discrete_distribution\fP< _IntType >::param () const\fC [inline]\fP"

.PP
Returns the parameter set of the distribution\&. 
.SS "template<typename _IntType  = int> void \fBstd::discrete_distribution\fP< _IntType >::param (const \fBparam_type\fP & __param)\fC [inline]\fP"

.PP
Sets the parameter set of the distribution\&. 
.PP
\fBParameters\fP
.RS 4
\fI__param\fP The new parameter set of the distribution\&. 
.RE
.PP

.SS "template<typename _IntType  = int> \fBstd::vector\fP< double > \fBstd::discrete_distribution\fP< _IntType >::probabilities () const\fC [inline]\fP"

.PP
Returns the probabilities of the distribution\&. 
.PP
References \fBstd::vector< _Tp, _Alloc >::empty()\fP\&.
.SS "template<typename _IntType  = int> void \fBstd::discrete_distribution\fP< _IntType >::reset ()\fC [inline]\fP"

.PP
Resets the distribution state\&. 
.SH "Friends And Related Function Documentation"
.PP 
.SS "template<typename _IntType  = int> template<typename _IntType1 , typename _CharT , typename _Traits > \fBstd::basic_ostream\fP< _CharT, _Traits > & operator<< (\fBstd::basic_ostream\fP< _CharT, _Traits > & __os, const \fBstd::discrete_distribution\fP< _IntType1 > & __x)\fC [friend]\fP"

.PP
Inserts a discrete_distribution random number distribution \fC__x\fP into the output stream \fC__os\fP\&. 
.PP
\fBParameters\fP
.RS 4
\fI__os\fP An output stream\&. 
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\fI__x\fP A discrete_distribution random number distribution\&.
.RE
.PP
\fBReturns\fP
.RS 4
The output stream with the state of \fC__x\fP inserted or in an error state\&. 
.RE
.PP

.SS "template<typename _IntType  = int> bool operator== (const \fBdiscrete_distribution\fP< _IntType > & __d1, const \fBdiscrete_distribution\fP< _IntType > & __d2)\fC [friend]\fP"

.PP
Return true if two discrete distributions have the same parameters\&. 
.SS "template<typename _IntType  = int> template<typename _IntType1 , typename _CharT , typename _Traits > \fBstd::basic_istream\fP< _CharT, _Traits > & operator>> (\fBstd::basic_istream\fP< _CharT, _Traits > & __is, \fBstd::discrete_distribution\fP< _IntType1 > & __x)\fC [friend]\fP"

.PP
Extracts a discrete_distribution random number distribution \fC__x\fP from the input stream \fC__is\fP\&. 
.PP
\fBParameters\fP
.RS 4
\fI__is\fP An input stream\&. 
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\fI__x\fP A discrete_distribution random number generator engine\&.
.RE
.PP
\fBReturns\fP
.RS 4
The input stream with \fC__x\fP extracted or in an error state\&. 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.