AlgExtRandomF Class Reference

generate random elements in F_p(alpha) More...

#include <cf_random.h>

Public Member Functions
	AlgExtRandomF (const AlgExtRandomF &)
	AlgExtRandomF (const Variable &v)
	AlgExtRandomF (const Variable &v1, const Variable &v2)
	~AlgExtRandomF ()
CanonicalForm	generate () const
CFRandom *	clone () const
Public Member Functions inherited from CFRandom
virtual	~CFRandom ()
virtual CanonicalForm	generate () const
virtual CFRandom *	clone () const

Private Member Functions
	AlgExtRandomF ()
	AlgExtRandomF (const Variable &v, CFRandom *g, int nn)
AlgExtRandomF &	operator= (const AlgExtRandomF &)

Private Attributes
Variable	algext
CFRandom *	gen
int	n

Detailed Description

generate random elements in F_p(alpha)

Definition at line 70 of file cf_random.h.

Constructor & Destructor Documentation

AlgExtRandomF() [1/5]

AlgExtRandomF::AlgExtRandomF ( )

private

Definition at line 113 of file cf_random.cc.

{
    ASSERT( 0, "not a valid random generator" );
}

AlgExtRandomF() [2/5]

AlgExtRandomF::AlgExtRandomF ( const Variable &  v, CFRandom *  g, int  nn  )

private

Definition at line 145 of file cf_random.cc.

{
    algext = v;
    n = nn;
    gen = g;
}

AlgExtRandomF() [3/5]

AlgExtRandomF::AlgExtRandomF

(

const AlgExtRandomF &

)

Definition at line 118 of file cf_random.cc.

{
    ASSERT( 0, "not a valid random generator" );
}

AlgExtRandomF() [4/5]

AlgExtRandomF::AlgExtRandomF

(

const Variable &

v

)

Definition at line 129 of file cf_random.cc.

{
    ASSERT( v.level() < 0, "not an algebraic extension" );
    algext = v;
    n = degree( getMipo( v ) );
    gen = CFRandomFactory::generate();
}

AlgExtRandomF() [5/5]

AlgExtRandomF::AlgExtRandomF	(	const Variable &	v1,
		const Variable &	v2
	)

Definition at line 137 of file cf_random.cc.

{
    ASSERT( v1.level() < 0 && v2.level() < 0 && v1 != v2, "not an algebraic extension" );
    algext = v2;
    n = degree( getMipo( v2 ) );
    gen = new AlgExtRandomF( v1 );
}

~AlgExtRandomF()

AlgExtRandomF::~AlgExtRandomF

(

)

Definition at line 152 of file cf_random.cc.

{
    delete gen;
}

Member Function Documentation

clone()

CFRandom * AlgExtRandomF::clone ( ) const

virtual

Reimplemented from CFRandom.

Definition at line 165 of file cf_random.cc.

{
    return new AlgExtRandomF( algext, gen->clone(), n );
}

generate()

CanonicalForm AlgExtRandomF::generate ( ) const

virtual

Reimplemented from CFRandom.

Definition at line 157 of file cf_random.cc.

{
    CanonicalForm result;
    for ( int i = 0; i < n; i++ )
      result += power( algext, i ) * gen->generate();
    return result;
}

operator=()

AlgExtRandomF & AlgExtRandomF::operator= ( const AlgExtRandomF &  )

private

Definition at line 123 of file cf_random.cc.

{
    ASSERT( 0, "not a valid random generator" );
    return *this;
}

Field Documentation

algext

Variable AlgExtRandomF::algext

private

Definition at line 72 of file cf_random.h.

gen

CFRandom* AlgExtRandomF::gen

private

Definition at line 73 of file cf_random.h.

n

int AlgExtRandomF::n

private

Definition at line 74 of file cf_random.h.

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

• factory/cf_random.h
• factory/cf_random.cc