combin Namespace Reference

Classes
class	combinations
class	combinations_base
class	symm_helper
class	symm_val_helper
class	symmetriser

Typedefs
typedef std::vector< unsigned int >	range_t
typedef std::vector< range_t >	range_vector_t
typedef std::vector< int >	weights_t

Functions
unsigned long	factorial (unsigned int x)
long	vector_sum (const std::vector< int > &)
	sum of elements
unsigned long	vector_prod (const std::vector< unsigned int > &)
	product of elements
unsigned long	vector_prod_fact (const std::vector< unsigned int > &)
	product of factorials of elements
bool	operator== (const std::vector< unsigned int > &, const std::vector< unsigned int > &)
long	hash (const std::vector< unsigned int > &)
	compute a hash value for a vector of unsigned ints
int	determine_intersection_ranges (const range_vector_t &prod, const range_vector_t &indv, range_vector_t &target)
template<class iterator1 , class iterator2 >
int	ordersign (iterator1 b1, iterator1 e1, iterator2 b2, iterator2 e2, int stepsize=1)
template<class iterator1 >
int	ordersign (iterator1 b1, iterator1 e1)
template<class T >
T	fact (T x)
template<class T >
std::ostream &	operator<< (std::ostream &str, const symmetriser< T > &sym)

Typedef Documentation

range_t

typedef std::vector<unsigned int> combin::range_t

range_vector_t

typedef std::vector<range_t> combin::range_vector_t

weights_t

typedef std::vector<int> combin::weights_t

Function Documentation

determine_intersection_ranges()

int combin::determine_intersection_ranges	(	const range_vector_t &	prod,
		const range_vector_t &	indv,
		combin::range_vector_t &	target )

fact()

template<class T >

T combin::fact

(

T

x

)

factorial()

unsigned long combin::factorial

(

unsigned int

x

)

hash()

long combin::hash

(

const std::vector< unsigned int > &

one

)

compute a hash value for a vector of unsigned ints

operator<<()

template<class T >

std::ostream & combin::operator<<	(	std::ostream &	str,
		const symmetriser< T > &	sym )

operator==()

bool combin::operator==	(	const std::vector< unsigned int > &	one,
		const std::vector< unsigned int > &	two )

ordersign() [1/2]

template<class iterator1 >

int combin::ordersign	(	iterator1	b1,
		iterator1	e1 )

ordersign() [2/2]

template<class iterator1 , class iterator2 >

int combin::ordersign	(	iterator1	b1,
		iterator1	e1,
		iterator2	b2,
		iterator2	e2,
		int	stepsize = 1 )

vector_prod()

unsigned long combin::vector_prod

(

const std::vector< unsigned int > &

v

)

product of elements

vector_prod_fact()

unsigned long combin::vector_prod_fact

(

const std::vector< unsigned int > &

v

)

product of factorials of elements

vector_sum()

long combin::vector_sum

(

const std::vector< int > &

v

)

sum of elements